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Gotowe bibliografie tematyczne / Nanostructures - Organic Molecules

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Gotowa bibliografia na temat „Nanostructures - Organic Molecules”

Autor: Grafiati

Data publikacji: 7 września 2023

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Artykuły w czasopismach na temat "Nanostructures - Organic Molecules"

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Mi, Yong Sheng, Zhou Yang, Dong Wang, Peng Xia Liang i Zhao Kui Jin. "Self-Assembly Micro-Nanostructures of Discotic Organic Molecules". Applied Mechanics and Materials 331 (lipiec 2013): 567–71. http://dx.doi.org/10.4028/www.scientific.net/amm.331.567.

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A series of discotic organic molecules with different substituents have been successfully synthesized. The structures of these compounds were fully characterized by 1H-NMR, FT-IR and MS. Their optical and electrical properties were investigated by means of Uv-vis absorption, fluorescence emission and cyclic voltammogram. By exploring the self-assembly behavior of different substituted discotic molecules through method of solvent exchange-evaporation, organic micro-nanostructures such as nanoparticles, nanotubes and nanorods were obtained through supramolecular self-assembly. In order to investigate the applications of these discotic organic molecules, the relationship of molecular design, structural design and material properties has been studied based on the experimental work.

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Kumari, Rina, Shib Shankar Banerjee, Anil K. Bhowmick i Prolay Das. "DNA–melamine hybrid molecules: from self-assembly to nanostructures". Beilstein Journal of Nanotechnology 6 (30.06.2015): 1432–38. http://dx.doi.org/10.3762/bjnano.6.148.

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Single-stranded DNA–melamine hybrid molecular building blocks were synthesized using a phosphoramidation cross-coupling reaction with a zero linker approach. The self-assembly of the DNA–organic hybrid molecules was achieved by DNA hybridization. Following self-assembly, two distinct types of nanostructures in the form of linear chains and network arrays were observed. The morphology of the self-assembled nanostructures was found to depend on the number of DNA strands that were attached to a single melamine molecule.

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SONG, XIN, HUIHUI KONG, LACHENG LIU, XIAOQING LIU, MINGDONG DONG i LI WANG. "TERRACE INDUCED HOMOCHIRAL SELF-ASSEMBLY OF ZINC PHTHALOCYANINEON COPPER (111) SURFACE". Surface Review and Letters 23, nr 06 (17.11.2016): 1650047. http://dx.doi.org/10.1142/s0218625x16500475.

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It is still a challenge to find a suitable method to fabricate a well-defined homochiral surface from achiral molecules, and one of the possible methods is to modify surfaces with organic molecular assemblies. Large-area chiral self-assembly nanostructures have been observed at room temperature by depositing ZnPc molecules on a Cu(111) surface. The growth process has been investigated. ZnPc molecules get adsorbed first at the terrace steps, and then extend over the lower terrace until the whole terrace is covered with ZnPc molecules; such growth process would be stopped when the self-assembly nanostructure run into a decorated upper terrace step edge. We found that the terrace steps with specific directions with respect to the close-packed directions of the substrate can induce homochiral self-assembly on the lower terraces. So we can propose a possible way to fabricate a well-defined homochiral surface from achiral organic molecules.

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Trevethan, Thomas, Bartosz Such, Thilo Glatzel, Shigeki Kawai, Alexander L. Shluger, Ernst Meyer, Paula de Mendoza i Antonio M. Echavarren. "Organic Molecules Reconstruct Nanostructures on Ionic Surfaces". Small 7, nr 9 (12.04.2011): 1264–70. http://dx.doi.org/10.1002/smll.201001910.

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Deng, Dehua, Yong Chang, Wenjing Liu, Mingwei Ren, Ning Xia i Yuanqiang Hao. "Advancements in Biosensors Based on the Assembles of Small Organic Molecules and Peptides". Biosensors 13, nr 8 (29.07.2023): 773. http://dx.doi.org/10.3390/bios13080773.

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Over the past few decades, molecular self-assembly has witnessed tremendous progress in a variety of biosensing and biomedical applications. In particular, self-assembled nanostructures of small organic molecules and peptides with intriguing characteristics (e.g., structure tailoring, facile processability, and excellent biocompatibility) have shown outstanding potential in the development of various biosensors. In this review, we introduced the unique properties of self-assembled nanostructures with small organic molecules and peptides for biosensing applications. We first discussed the applications of such nanostructures in electrochemical biosensors as electrode supports for enzymes and cells and as signal labels with a large number of electroactive units for signal amplification. Secondly, the utilization of fluorescent nanomaterials by self-assembled dyes or peptides was introduced. Thereinto, typical examples based on target-responsive aggregation-induced emission and decomposition-induced fluorescent enhancement were discussed. Finally, the applications of self-assembled nanomaterials in the colorimetric assays were summarized. We also briefly addressed the challenges and future prospects of biosensors based on self-assembled nanostructures.

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Hong, Seunghun, Jin Zhu i Chad A. Mirkin. "Multiple Ink Nanolithography: Toward a Multiple-Pen Nano-Plotter". Science 286, nr 5439 (15.10.1999): 523–25. http://dx.doi.org/10.1126/science.286.5439.523.

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The formation of intricate nanostructures will require the ability to maintain surface registry during several patterning steps. A scanning probe method, dip-pen nanolithography (DPN), can be used to pattern monolayers of different organic molecules down to a 5-nanometer separation. An “overwriting” capability of DPN allows one nanostructure to be generated and the areas surrounding that nanostructure to be filled in with a second type of “ink.”

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Mali, Kunal S., i Steven De Feyter. "Principles of molecular assemblies leading to molecular nanostructures". Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 371, nr 2000 (13.10.2013): 20120304. http://dx.doi.org/10.1098/rsta.2012.0304.

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Self-assembled physisorbed monolayers consist of regular two-dimensional arrays of molecules. Two-dimensional self-assembly of organic and metal–organic building blocks is a widely used strategy for nanoscale functionalization of surfaces. These supramolecular nanostructures are typically sustained by weak non-covalent forces such as van der Waals, electrostatic, metal–ligand, dipole–dipole and hydrogen bonding interactions. A wide variety of structurally very diverse monolayers have been fabricated under ambient conditions at the liquid–solid and air–solid interface or under ultra-high-vacuum (UHV) conditions at the UHV–solid interface. The outcome of the molecular self-assembly process depends on a variety of factors such as the nature of functional groups present on assembling molecules, the type of solvent, the temperature at which the molecules assemble and the concentration of the building blocks. The objective of this review is to provide a brief account of the progress in understanding various parameters affecting two-dimensional molecular self-assembly through illustration of some key examples from contemporary literature.

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Gambucci, Marta, Elena Cambiotti, Paola Sassi i Loredana Latterini. "Multilayer Gold-Silver Bimetallic Nanostructures to Enhance SERS Detection of Drugs". Molecules 25, nr 15 (28.07.2020): 3405. http://dx.doi.org/10.3390/molecules25153405.

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Surface-enhanced Raman scattering (SERS) is a widely used technique for drug detection due to high sensitivity and molecular specificity. The applicability and selectivity of SERS in the detection of specific drug molecules can be improved by gathering information on the specific interactions occurring between the molecule and the metal surface. In this work, multilayer gold-silver bimetallic nanorods (Au@Ag@AuNRs) have been prepared and used as platforms for SERS detection of specific drugs (namely promethazine, piroxicam, furosemide and diclofenac). The analysis of SERS spectra provided accurate information on the molecular location upon binding and gave some insight into molecule-surface interactions and selectivity in drug detection through SERS.

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Han, Dong, Qilei Chen i Hubiao Chen. "Food-Derived Nanoscopic Drug Delivery Systems for Treatment of Rheumatoid Arthritis". Molecules 25, nr 15 (31.07.2020): 3506. http://dx.doi.org/10.3390/molecules25153506.

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Rheumatoid arthritis (RA) is a severe systemic inflammatory disease with no cure at present. Recent developments in the understanding of inflammation and nanomaterial science have led to increased applications of nanostructured drug delivery systems in the treatment of RA. The present review summarizes novel fabrications of nanoscale drug carriers using food components as either the delivered drugs or carrier structures, in order to achieve safe, effective and convenient drug administration. Polyphenols and flavonoids are among the most frequently carried anti-RA therapeutics in the nanosystems. Fatty substances, polysaccharides, and peptides/proteins can function as structuring agents of the nanocarriers. Frequently used nanostructures include nanoemulsions, nanocapsules, liposomes, and various nanoparticles. Using these nanostructures has improved drug solubility, absorption, biodistribution, stability, targeted accumulation, and release. Joint vectorization, i.e., using a combination of bioactive molecules, can bring elevated therapeutic outcomes. Utilization of anti-arthritic chemicals that can self-assemble into nanostructures is a promising research orientation in this field.

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Nagata, Akihiko, Takeo Oku, Tsuyoshi Akiyama, Atsushi Suzuki, Yasuhiro Yamasaki i Tomohiro Mori. "Effects of Au Nanoparticle Addition to Hole Transfer Layer in Organic Photovoltaic Cells Based on Phthalocyanines and Fullerene". Journal of Nanotechnology 2011 (2011): 1–6. http://dx.doi.org/10.1155/2011/869596.

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Phthalocyanines/fullerene organic photovoltaic cells were fabricated and characterized. Effects of Au nanoparticle addition to a hole transfer layer were also investigated, and power conversion efficiencies of the photovoltaic cells were improved after blending the Au nanoparticle into PEDOT:PSS. Nanostructures of the Au nanoparticles were investigated by transmission electron microscopy and X-ray diffraction. Energy levels of molecules were calculated by molecular orbital calculations, and the nanostructures and electronic property were discussed.

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Rozprawy doktorskie na temat "Nanostructures - Organic Molecules"

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Balakrishnan, Kaushik. "Self-assembly of organic semiconducting molecules into one-dimensional nanostructures /". Available to subscribers only, 2008. http://proquest.umi.com/pqdweb?did=1594481341&sid=10&Fmt=2&clientId=1509&RQT=309&VName=PQD.

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Nordlund, Michael. "Carbon Nanostructures – from Molecules to Functionalised Materials : Fullerene-Ferrocene Oligomers, Graphene Modification and Deposition". Doctoral thesis, Uppsala universitet, Organisk kemi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-327189.

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The work described in this thesis concerns development, synthesis and characterisation of new molecular compounds and materials based on the carbon allotropes fullerene (C60) and graphene. A stepwise strategy to a symmetric ferrocene-linked dumbbell of fulleropyrrolidines was developed. The versatility of this approach was demonstrated in the synthesis of a non-symmetric fulleropyrrolidine-ferrocene-tryptophan triad. A new tethered bis-aldehyde, capable of regiospecific bis-pyrrolidination of a C60-fullerene in predominantly trans fashion, was designed, synthesised and reacted with glycine and C60 to yield the desired N-unfunctionalised bis(pyrrolidine)fullerene. A catenane dimer composed of two bis(pyrrolidine)fullerenes was obtained as a minor co-product. From the synthesis of the N-methyl analogue, the catenane dimer could be separated from the monomeric main product and fully characterised by NMR spectroscopy. Working towards organometallic fullerene-based molecular wires, the N-unfunctionalised bis(pyrrolidine)fullerene was coupled to an activated carboxyferrocene-fullerene fragment by amide links to yield a ferrocene-linked fullerene trimer, as indicated by mass spectrometry from reactions carried out at small scale A small library of conjugated diarylacetylene linkers, to be coupled to C60 via metal-mediated hydroarylation, was developed. Selected linker precursors were prepared and characterised, and the hydroarylation has been adapted using simple arylboronic acids. Few-layer graphene was prepared and dip-deposited from suspension onto a piezoelectric polymer substrate. Spontaneous side-selective deposition was observed and, from the perspective of non-covalent interaction, rationalised as being driven by the inbuilt polarization of the polymer. Aiming for selectively edge-oxidized graphene, a number of graphitic materials were treated with a combination of ozone and hydrogen peroxide under sonication. This mild, metal-free procedure led to edge-oxidation and exfoliation with very simple isolation of clean materials indicated by microscopy, spectroscopy, and thermogravimetric analysis.

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Kovacik, Peter. "Vacuum deposition of organic molecules for photovoltaic applications". Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:98461a90-5ae3-4ae3-9245-0f825adafa72.

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Organic photovoltaics have attracted considerable research and commercial interest due to their lightness, mechanical flexibility and low production costs. There are two main approaches for the fabrication of organic solar cells – solution and vacuum processing. The former relies on morphology control in polymer-fullerene blends resulting from natural phase separation in these systems. The latter takes advantage of solvent-free processing allowing highly complex multi-junction architectures similar to inorganic solar cells. This work aims to combine the benefits of both by depositing conjugated polymers using vacuum thermal evaporation. By employing this unconventional approach it aims to enhance the efficiency of organic photovoltaics through increased complexity of the thin-film architecture while improving the nanoscale morphology control of the individual active layers. The thesis explores the vacuum thermal deposition of polythiophenes, mainly poly(3-hexylthiophene) (P3HT) and side-group free poly(thiophene) (PTh). A variety of chemical techniques, such as NMR, FT-IR, GPC, DSC and TGA, are used to examine the effect of heating on chemical structure of the polymers. Optimal processing parameters are identified and related to the resulting thin-film morphology and charge transport properties. Efficient photovoltaic devices based on polythiophene donors and fullerene acceptors are fabricated. Materials science techniques AFM, XRD, SEM, TEM and MicroXAM are used to characterize topography and morphology of the thin films, and UV-Vis, EQE, I-V and C-V measurements relate these to the optical and electronic properties. The results of the study show that polymer side groups have a strong influence on molecular packing and charge extraction in vacuum-deposited polymer thin films. Unlike P3HT, evaporated PTh forms highly crystalline films. This leads to enhanced charge transport properties with hole mobility two orders of magnitude higher than that in P3HT. The effect of molecular order is demonstrated on polymer/fullerene planar heterojunction solar cells. PTh-based devices have significantly better current and recombination characteristics, resulting in improved overall power conversion efficiency (PCE) by 70% as compared to P3HT. This confirms that the chemical structure of the molecule is a crucial parameter in deposition of large organic semiconductors. It is also the first-ever example of vacuum-deposited polymer photovoltaic cell. Next, vacuum co-deposited PTh:C60 bulk heterojunctions with different donor-acceptor compositions are fabricated, and the effect of post-production thermal annealing on their photovoltaic performance and morphology is studied. Co-deposition of blended mixtures leads to 60% higher photocurrents than in thickness-optimized PTh/C60 planar heterojunction counterparts. Furthermore, by annealing the devices post-situ the PCE is improved by as much as 80%, achieving performance comparable to previously reported polythiophene and oligothiophene equivalents processed in solution and vacuum, respectively. The enhanced photo-response is a result of favourable morphological development of PTh upon annealing. In contrast to standard vacuum-processed molecular blends, annealing-induced phase separation in PTh:C60 does not lead to the formation of coarse morphology but rather to an incremental improvement of the already established interpenetrated nanoscale network. The morphological response of the evaporated PTh within the blend is further verified to positively differ from that of its small-molecule counterpart sexithiophene. This illustrates the morphological advantage of polymer-fullerene combination over all other vacuum-processable material systems. In conclusion, this processing approach outlines the conceptual path towards the most beneficial combination of solution/polymer- and vacuum-based photovoltaics. It opens up a fabrication method with considerable potential to enhance the efficiency of large-scale organic solar cells production.

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Zhu, Yan. "TRANSMISSION ELECTRON MICROSCOPY AND FLOW FIELD-FLOW FRACTIONATION: EXPLORATION OF THE NANOSCOPIC COMPONENTS IN PARTIALLY REDUCED POLYOXOMOLYBDATES BY KINETIC PRECIPITATION WITH DE NOVO ORGANIC MOLECULES". Lexington, Ky. : [University of Kentucky Libraries], 2003. http://lib.uky.edu/ETD/ukychem2003d00119/YanZhuPHDthesis.pdf.

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Thesis (Ph. D.)--University of Kentucky, 2003.
Title from document title page (viewed June 30, 2004). Document formatted into pages; contains xv, 150 p. : ill. Includes abstract and vita. Includes bibliographical references (p. 140-148).

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Bischoff, Felix [Verfasser], Wilhelm [Akademischer Betreuer] Auwärter, Ingmar [Gutachter] Swart, Wilhelm [Gutachter] Auwärter i Markus [Gutachter] Lackinger. "Scanning probe microscopy studies of surface confined molecules and (metal-organic) nanostructures / Felix Bischoff ; Gutachter: Ingmar Swart, Wilhelm Auwärter, Markus Lackinger ; Betreuer: Wilhelm Auwärter". München : Universitätsbibliothek der TU München, 2018. http://d-nb.info/1168380332/34.

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Masillamani, Appan Merari. "Propriétés électriques des nanostructures π-conjugués". Phd thesis, Université de Strasbourg, 2013. http://tel.archives-ouvertes.fr/tel-00836614.

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Cette thèse traite de l'étude du transport de charge à travers les semi-conducteurs organiques au sein de transistors à effet de champ organiques (OFET). Une grande attention a été accordée aux interfaces dans les OFET dont les propriétés ont été accordées pour moduler la réponse transistor. La stabilité de l'appareil en état de commutation et le mécanisme régissant l'injection de charges ont été étudiés systématiquement. Le transport de charge au niveau fondamental à travers les monocouches auto-assemblées comprenant une grande variété des molécules π-conjuguées a été étudié. Dans cette thèse, le processus de transport de charge et différents paramètres affectant ce phénomène sont examinées en détail par la fabrication et la caractérisation de trois terminaux basés sur des architectures OFET et deux dispositifs de jonctions terminales constituées d'une couche mono-moléculaire sur la surface de l'électrode métallique. Parmi les différents aspects relatifs à l'injection de charge dans des transistors organiques macroscopiques à couches minces, un accent particulier a été mis sur l'interface de l'engineering en réglant (i) le diélectrique / l'interface semi-conducteur, et (ii) l'électrode en métal / le semi-conducteur. Pour explorer les aspects régissant le transport de charge dans le canal de l'appareil, nous avons étudié la propriété de (iii) la mobilité intrinsèque dans la semi-conductivité des matériaux et (iv) l'utilisation de mélanges dans la couche active du dispositif. A l'échelle nanométrique, le transport de charge, grâce à une mono-couche moléculaire chimisorbé sur des électrodes métalliques, a été étudié. Pour effectuer la caractérisation électrique sur la mono couche auto-assemblée (SAM), nous avons construit un système de configuration comprenant des alliages eutectiques de gallium et d'indium liquide métallique (GainE) comme électrode.

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DE, SILVA LANDEWATTE A. AJITH. "OPTICAL PROPERTIES OF ORGANIC NANOSTRUCTURES GROWN BY ORGANIC MOLECULAR BEAM DEPOSITION". University of Cincinnati / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1141059599.

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Sohn, Yon S. "Photoelectrocatalytic degradation of organic dye molecules on titanium dioxide nanotubular array". abstract and full text PDF (UNR users only), 2008. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1455707.

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Gray, Tomoko O. "Exploitation of molecular mobilities for advanced organic optoelectronic and photonic nano-materials /". Thesis, Connect to this title online; UW restricted, 2007. http://hdl.handle.net/1773/9908.

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Yong, Chaw Keong. "Ultrafast carrier dynamics in organic-inorganic semiconductor nanostructures". Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:b2efdc6a-1531-4d3f-8af1-e3094747434c.

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This thesis is concerned with the influence of nanoscale boundaries and interfaces upon the electronic processes that occur within the inorganic semiconductors. Inorganic semiconductor nanowires and their blends with semiconducting polymers have been investigated using state-of-the-art ultrafast optical techniques to provide information on the sub-picosecond to nanosecond photoexcitation dynamics in these systems. Chapters 1 and 2 introduce the theory and background behind the work and present a literature review of previous work utilising nanowires in hybrid organic photovoltaic devices, revealing the performances to date. The experimental methods used during the thesis are detailed in Chapter 3. Chapter 4 describes the crucial roles of surface passivation on the ultrafast dynamics of exciton formation in gallium arsenide (GaAs) nanowires. By passivating the surface states of nanowires, exciton formation via the bimolecular conversion of electron-hole plasma can observed over few hundred picoseconds, in-contrast to the fast carrier trapping in 10 ps observed in the uncoated nanowires. Chapter 5 presents a novel method to passivate the surface-states of GaAs nanowires using semiconducting polymer. The carrier lifetime in the nanowires can be strongly enhanced when the ionization potential of the overcoated semiconducting polymer is smaller than the work function of the nanowires and the surface native oxide layers of nanowires are removed. Finally, Chapter 6 shows that the carrier cooling in the type-II wurtzite-zincblend InP nanowires is reduced by order-of magnitude during the spatial charge-transfer across the type-II heterojunction. The works decribed in this thesis reveals the crucial role of surface-states and bulk defects on the carrier dynamics of semiconductor nanowires. In-addition, a novel approach to passivate the surface defect states of nanowires using semiconducting polymers was developed.

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Książki na temat "Nanostructures - Organic Molecules"

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Russo, Nino. SelfOrganization of Molecular Systems: From Molecules and Clusters to Nanotubes and Proteins. Dordrecht: Springer Netherlands, 2009.

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NATO Advanced Research Workshop on Molecular Low Dimensional and Nanostructured Materials for Advanced Applications (2001 Poznań, Poland). Molecular low dimensional and nanostructured materials for advanced applications. Dordrecht: Kluwer Academic, 2002.

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Evarestov, Robert A. Quantum Chemistry of Solids: LCAO Treatment of Crystals and Nanostructures. Wyd. 2. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012.

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1945-, Saito G., i Pacifichem 2005 (2005 : Honolulu, Hawaii), red. Multifunctional conducting molecular materials. Cambridge: RSC Publishing, 2007.

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Advances In The Theory Of Atomic And Molecular Systems Dynamics Spectroscopy Clusters And Nanostructures. Springer, 2009.

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Li, Jing, i Xiao-Ying Huang. Nanostructured crystals: An unprecedented class of hybrid semiconductors exhibiting structure-induced quantum confinement effect and systematically tunable properties. Redaktorzy A. V. Narlikar i Y. Y. Fu. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780199533053.013.16.

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This article describes the structure-induced quantum confinement effect in nanostructured crystals, a unique class of hybrid semiconductors that incorporate organic and inorganic components into a single-crystal lattice via covalent (coordinative) bonds to form extended one-, two- and three-dimensional network structures. These structures are comprised of subnanometer-sized II-VI semiconductor segments (inorganic component) and amine molecules (organic component) arranged into perfectly ordered arrays. The article first provides an overview of II-VI and III-V semiconductors, II-VI colloidal quantum dots, inorganic-organic hybrid materials before discussing the design and synthesis of I-VI-based inorganic-organic hybrid nanostructures. It also considers the crystal structures, quantum confinement effect, bandgaps, and optical properties, thermal properties, thermal expansion behavior of nanostructured crystals.

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Hong, S., Y. K. Kwon, J. S. Ha, N. K. Lee, B. Kim i M. Sung. Self-assembly strategy of nanomanufacturing of hybrid devices. Redaktorzy A. V. Narlikar i Y. Y. Fu. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780199533060.013.10.

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This article considers the nanomanufacturing of hybrid devices using the self-assembly strategy. Hybrid devices utilize nanomaterials such as nanoparticles, organic molecules, carbon nanotubes (CNTs), and nanowires. Examples include CNT-based circuits and molecular electronics. However, a major stumbling block holding back the practical applications of hybrid systems can be a lack of a mass-production method for such devices. This article first describes the direct patterning of nanostructures by means of dip-pen nanolithography and microcontact printing before discussing the fabrication of nanostructures using directed assembly. It also examines the mechanism of various assembly processes ofnanostructures and concludes with an overview of the characteristics of self-assembled hybrid nanodevices.

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McGuiness, C. L., R. K. Smith, M. E. Anderson, P. S. Weiss i D. L. Allara. Nanolithography using molecular films and processing. Redaktorzy A. V. Narlikar i Y. Y. Fu. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780199533060.013.23.

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This article focuses on the use of molecular films as building blocks for nanolithography. More specifically, it reviews efforts aimed at utilizing organic molecular assemblies in overcoming the limitations of lithography, including self-patterning and directed patterning. It considers the methods of patterning self-assembled organic monolayer films through soft-lithographic methods such as microcontact printing and nanoimprint lithography, through direct ‘write’ or ‘machine’ processes with a nanometer-sized tip and through exposure to electron or photon beams. It also discusses efforts to pattern the organic assemblies via the physicochemical self-assembling interactions, including patterning via phase separation of chemically different molecules and insertion of guest adsorbates into host matrices. Furthermore, it examines the efforts that have been made to couple patterned molecular assemblies with inorganic thin-film growth methods to form spatially constrained, three-dimensional thin films. Finally, it describes a hybrid self-assembly/conventional lithography (i.e. molecular rulers) approach to forming nanostructures.

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9

Ouahab, Lahcene. Multifunctional Molecular Materials. Pan Stanford Publishing, 2013.

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Multifunctional Molecular Materials. Pan Stanford Publishing, 2012.

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Części książek na temat "Nanostructures - Organic Molecules"

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Penco, A., T. Svaldo-Lanero, M. Prato, C. Toccafondi, R. Rolandi, M. Canepa i O. Cavalleri. "Graphite Nanopatterning Through Interaction with Bio-organic Molecules". W Carbon Nanostructures, 221–28. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-20644-3_28.

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Graaf, Harald, i Thomas Baumgärtel. "Nanolithography and Decoration of Generated Nanostructures by Dye Molecules". W Self-Assembled Organic-Inorganic Nanostructures, 295–352. Taylor & Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487-2742: CRC Press, 2016. http://dx.doi.org/10.1201/9781315364544-7.

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Qin, Long, Kai Lv, Zhaocun Shen i Minghua Liu. "Self-Assembly of Organic Molecules into Nanostructures". W Soft Matter Nanotechnology, 21–94. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2015. http://dx.doi.org/10.1002/9783527682157.ch02.

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Blaudeck, Thomas. "Fluorescence Quenching of Semiconductor Quantum Dots by Multiple Dye Molecules". W Self-Assembled Organic-Inorganic Nanostructures, 201–13. Taylor & Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487-2742: CRC Press, 2016. http://dx.doi.org/10.1201/9781315364544-4.

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Trenkmann, Ines. "Selective Surface Binding of Dye Molecules on Hybrid Humidity Sensors". W Self-Assembled Organic-Inorganic Nanostructures, 371–84. Taylor & Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487-2742: CRC Press, 2016. http://dx.doi.org/10.1201/9781315364544-9.

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Trenkmann, Ines, Thomas Blaudeck i Christian von. "Static and Dynamic Quenching of Quantum Dot Photoluminescence by Organic Semiconductors and Dye Molecules". W Self-Assembled Organic-Inorganic Nanostructures, 215–43. Taylor & Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487-2742: CRC Press, 2016. http://dx.doi.org/10.1201/9781315364544-5.

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Moerland, Robert J., Tommi K. Hakala, Jani-Petri Martikainen, Heikki T. Rekola, Aaro I. Väkeväinen i Päivi Törmä. "Strong Coupling Between Organic Molecules and Plasmonic Nanostructures". W Springer Series in Solid-State Sciences, 121–50. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-45820-5_6.

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Ganeev, R. A., A. I. Ryasnyansky, R. I. Tugushev i T. Usmanov. "Characterization of Nonlinear Optical Parameters of Metal-Doped Polyvinylpyrrolidone Nanostructures and Organic Dye Molecules". W Organic Nanophotonics, 367–84. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0103-8_31.

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Farajian, Amir A., Rodion V. Belosludov, Olga V. Pupysheva, Hiroshi Mizuseki i Yoshiyuki Kawazoe. "Calculating Transport Properties of Nanometer-Scale Systems: Nanodevice Applications of Carbon Nanotubes and Organic Molecules". W Nanostructures - Fabrication and Analysis, 217–49. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-37578-4_6.

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Ji, S., H. Gui, G. Guan, M. Zhou, Q. Guo i M. Y. J. Tan. "Designing Waterborne Protective Coatings Through Manipulating the Nanostructure of Acrylic-Based Nanocomposites". W Lecture Notes in Civil Engineering, 113–25. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-3330-3_14.

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AbstractWaterborne coatings with intended functionalities have been designed by manipulating acrylic-based nanocomposites with different nanostructures. Taking advantage of the favorable structure of acrylic copolymers, three waterborne coatings with various desired properties were created through molecular engineering either by copolymerizing with other components or through nanocomposite formation. This approach was demonstrated by synthesizing acrylic-based waterborne coatings with three different nanostructures, namely homogeneous, worm-like, and spherical-like nanostructures. The properties of coating samples prepared by this new approach and by traditional physical blending were compared experimentally, which revealed that the incorporation of 3-methacryloxypropyltrimethoxysilane (MPS)-modified nanoparticle TiO2 in an acrylic base enabled the formation of a nanocomposite with nanoparticles uniformly distributed in the acrylic base. The coating film with this acrylic-TiO2 nanocomposite showed significantly better UV absorption performance than the coating made by physical blending. The copolymerization of acrylic copolymers with an organic polymer (alkyd) created a worm-like nanostructure of acrylic–alkyd composite that allowed uniform distribution of the acrylic–alkyd nanocomposite in a more closely packed dense coating film, leading to enhanced barrier property and significantly improved corrosion resistance as confirmed by electrochemical impedance spectroscopy and salt spray tests. The copolymerization of acrylic monomers with an inorganic polymer (polydimethylsiloxane [PDMS]) led to a spherical-like nanostructure of acrylic–PDMS composite film. The formation of this nanostructure arose from the migration of PDMS segments, and a PDMS-rich phase formed on the film’s surface, which resulted in a coating film with PDMS functionalities such as low dirt-picking behavior. Overall, these three cases demonstrated that acrylic copolymer are an excellent base for developing various nanocomposite waterborne coatings with different functionalities through copolymerization and that the nanocomposites with different nanostructures have a significant influence on the coatings’ performance.

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Streszczenia konferencji na temat "Nanostructures - Organic Molecules"

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Amro, Nabil A., Jayne C. Garno, Maozi Liu, Kapila Wadu-Mesthrige i Gang-yu Liu. "Nanostructures of organic molecules and proteins on surfaces". W International Symposium on Optical Science and Technology, redaktorzy Jin Z. Zhang i Zhong L. Wang. SPIE, 2002. http://dx.doi.org/10.1117/12.451241.

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Cheng, Zhikuan. "n-Type polymers and small molecules for organic photovoltaics". W Optical Nanostructures and Advanced Materials for Photovoltaics. Washington, D.C.: OSA, 2015. http://dx.doi.org/10.1364/pv.2015.jtu2c.1.

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Hanawa, Y., Y. Sasaki, S. Uchida, T. Funayoshi, M. Otsuji, H. Takahashi i A. Sakuma. "Thermomechanical Formulation of Freezing Point Depression Behavior of Liquid on Solid Surface With Nanostructure". W ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-23759.

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Abstract In this study, we investigated the freezing point depression of liquids in nanostructures using a new thermomechanical method. First, we experimentally determined the freezing points of water, cyclohexane, and a certain organic material (Chem.A) in nanoscale structures using DSC measurements. Thereafter, we formulated a new equation by improving the Gibbs–Thomson equation, which is the conventional formula for representing the freezing point depression of a liquid in nanostructures. We introduced a new term in this new equation to represent the increase in the kinetic energy of the liquid molecule as a result of collision between the liquid molecules and nanostructure walls. Subsequently, we evaluated the solid–liquid interface free energy of sublimation materials by fitting the theoretical freezing point derived from the new equation to experimental data. In this study, we succeeded in reproducing the experimental data of freezing point depression using the proposed equation. In particular, the freezing points of cyclohexane and Chem.A in the nanostructure were better fitted by this new equation at 10 nm or more compared with the conventional equation. Our results show that the interaction between the wall of the nanostructure and liquid molecules affects freezing point depression.

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Gavrilenko, A. V., S. N. Williams, M. A. Noginov i V. I. Gavrilenko. "Optical properties of metamaterials composed from organic molecules and silver nanostructures". W 2008 Conference on Lasers and Electro-Optics (CLEO). IEEE, 2008. http://dx.doi.org/10.1109/cleo.2008.4552142.

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Sarkas, Harry W., Charles D. Merritt i Zakya H. Kafafi. "Preparation, Optical Spectroscopy, and Fluorescence of Molecular Organic Composites for Light-Emitting Diodes". W Organic Thin Films for Photonic Applications. Washington, D.C.: Optica Publishing Group, 1995. http://dx.doi.org/10.1364/otfa.1995.md.35.

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Electroluminescence from small organic molecules has been known for some time. Thirty years ago, Helfrich and Schneider reported blue-violet electroluminescence in anthracene with an external quantum efficiency as high as 8%.1 This quantum efficiency is much better than that for the best polymer-based light-emitting diode (LED) reported to date.2 In spite of the superior quantum efficiency of molecular-based electroluminescent devices, no major progress was achieved until fairly recently when Tang and VanSlyke reported the first low-voltage organic LED with an external quantum efficiency of 1% (number of photons per electron).3 The emitting layer in this device consists of a thin layer of the metal complex, tris (8-hydroxyquinolinato) aluminum (AlQ3). Later, Littman and Martie showed an enhancement in the electroluminescence quantum efficiency of AlQ3 by doping it with the highly fluorescent laser dyes, Coumarin 540, Coumarin 343, and DCM.4 The paper focuses on a new class of organic composites consisting of highly fluorescent guest molecules dispersed in AlQ3. The electronic and optical properties of organic nanostructures based on these materials are studied, as functions of the luminescent center concentration, via optical and fluorescence spectroscopies. Photoluminescence quantum yields are measured and used to probe the efficiency of energy transfer between host and guest molecules.

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Carmeli, Itai. "Electronic-Magnetic Properties of Monolayers of Chiral Bio-organic Molecules". W STRUCTURAL AND ELECTRONIC PROPERTIES OF MOLECULAR NANOSTRUCTURES: XVI International Winterschool on Electronic Properties of Novel Materials. AIP, 2002. http://dx.doi.org/10.1063/1.1514162.

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Chan, Warren C. W. "Elucidating the Interactions of Nanomaterials With Biological Systems". W ASME 2010 First Global Congress on NanoEngineering for Medicine and Biology. ASMEDC, 2010. http://dx.doi.org/10.1115/nemb2010-13377.

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Nanotechnology is a rapidly growing research fields with many applications in biology and medicine. At a heart of nanotechnology research is engineered nanostructures, which possess distinct optical, electronic, and magnetic properties based on their size, shape, and chemical composition. Researchers can now design their surface chemistry with small bi-functional organic molecules or amphiphillic polymers so that they are biocompatible and can be coated with bio-recognition molecules such as antibodies, aptamers, and peptides. Nanoparticles are used as a platform for drug delivery, as a physical trigger for controlling drug release, as a contrast agent for quantifying biological molecules. Thus, the applications of engineered nanostructures are diverse. In this presentation, an overview of the field of nanomedicine is described with an emphasis on results obtained from studying the in vivo interactions of nanostructures as it pertains to their applications in cancer.

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Hedderman, T. G. "The Use of Single-Wall Carbon Nanotubes as Templates for Organic Molecules". W STRUCTURAL AND ELECTRONIC PROPERTIES OF MOLECULAR NANOSTRUCTURES: XVI International Winterschool on Electronic Properties of Novel Materials. AIP, 2002. http://dx.doi.org/10.1063/1.1514194.

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Adams, Sarah M., i Regina Ragan. "Gold Nanoparticle Self Assembly on Diblock Copolymers for Application as Biomolecular Sensors". W ASME 2010 First Global Congress on NanoEngineering for Medicine and Biology. ASMEDC, 2010. http://dx.doi.org/10.1115/nemb2010-13126.

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Current efforts in medical diagnostic technology focus toward developing biological sensors with the capacity for detecting trace quantities of specified organic molecules. In this study, metallic nanoparticles were investigated for the development of field-enhanced chemical and biological detection devices with the capacity to achieve single-molecule level detection resulting from surface enhanced Raman scattering (SERS) associated with closely spaced noble metal nanostructures.[1, 2] Localized surface plasmon resonance (LSPR) sensors likewise benefit from the incorporation of ordered metal nanoparticles on surfaces, providing increased shift in minimum of reflectivity with biological binding event (figure 1).[3]

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Dediu, V. "Spin valve effect in hybrid organic-inorganic device". W ELECTRONIC PROPERTIES OF MOLECULAR NANOSTRUCTURES: XV International Winterschool/Euroconference. AIP, 2001. http://dx.doi.org/10.1063/1.1426929.

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