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Статті в журналах з теми "Functional Noble Metal Nanoparticle"
Kimura, Keisaku, and Thalappil Pradeep. "Functional noble metal nanoparticle superlattices grown at interfaces." Physical Chemistry Chemical Physics 13, no. 43 (2011): 19214. http://dx.doi.org/10.1039/c1cp22279a.
Повний текст джерелаBorodaenko, Yulia, Evgeniia Khairullina, Aleksandra Levshakova, Alexander Shmalko, Ilya Tumkin, Stanislav Gurbatov, Aleksandr Mironenko, et al. "Noble-Metal Nanoparticle-Embedded Silicon Nanogratings via Single-Step Laser-Induced Periodic Surface Structuring." Nanomaterials 13, no. 8 (April 7, 2023): 1300. http://dx.doi.org/10.3390/nano13081300.
Повний текст джерелаAbbasi, Zeeshan, Wajeeha Saeed, Syed Marifat Shah, Sohail Anjum Shahzad, Muhammad Bilal, Abdul Faheem Khan, and Ahson Jabbar Shaikh. "Binding efficiency of functional groups towards noble metal surfaces using graphene oxide – metal nanoparticle hybrids." Colloids and Surfaces A: Physicochemical and Engineering Aspects 611 (February 2021): 125858. http://dx.doi.org/10.1016/j.colsurfa.2020.125858.
Повний текст джерелаCheng, Kang, Luc C. J. Smulders, Lars I. van der Wal, Jogchum Oenema, Johannes D. Meeldijk, Nienke L. Visser, Glenn Sunley, et al. "Maximizing noble metal utilization in solid catalysts by control of nanoparticle location." Science 377, no. 6602 (July 8, 2022): 204–8. http://dx.doi.org/10.1126/science.abn8289.
Повний текст джерелаLi, Yunxing, Yuhua Hu, Sunjie Ye, Yan Wu, Cheng Yang, and Likui Wang. "Functional polyaniline-assisted decoration of polystyrene microspheres with noble metal nanoparticles and their enhanced catalytic properties." New Journal of Chemistry 40, no. 12 (2016): 10398–405. http://dx.doi.org/10.1039/c6nj02200f.
Повний текст джерелаLin, Xia, Fan Zou, Xinzhu Chen, and Bin Tang. "Functional modification of Nylon fabrics based on noble metal nanoparticles." IOP Conference Series: Materials Science and Engineering 231 (September 2017): 012175. http://dx.doi.org/10.1088/1757-899x/231/1/012175.
Повний текст джерелаZou, Yiming, Ronn Goei, Su-Ann Ong, Amanda Jiamin ONG, Jingfeng Huang, and Alfred Iing Yoong TOK. "Development of Core-Shell Rh@Pt and Rh@Ir Nanoparticle Thin Film Using Atomic Layer Deposition for HER Electrocatalysis Applications." Processes 10, no. 5 (May 18, 2022): 1008. http://dx.doi.org/10.3390/pr10051008.
Повний текст джерелаBosch-Navarro, Concha, Jonathan P. Rourke, and Neil R. Wilson. "Controlled electrochemical and electroless deposition of noble metal nanoparticles on graphene." RSC Advances 6, no. 77 (2016): 73790–96. http://dx.doi.org/10.1039/c6ra14836k.
Повний текст джерелаHughes, Zak E., and Tiffany R. Walsh. "Non-covalent adsorption of amino acid analogues on noble-metal nanoparticles: influence of edges and vertices." Physical Chemistry Chemical Physics 18, no. 26 (2016): 17525–33. http://dx.doi.org/10.1039/c6cp02323a.
Повний текст джерелаAn, Xingda, Ayan Majumder, James McNeely, Jialing Yang, Taranee Puri, Zhiliang He, Taimeng Liang, John K. Snyder, John E. Straub, and Björn M. Reinhard. "Interfacial hydration determines orientational and functional dimorphism of sterol-derived Raman tags in lipid-coated nanoparticles." Proceedings of the National Academy of Sciences 118, no. 33 (August 13, 2021): e2105913118. http://dx.doi.org/10.1073/pnas.2105913118.
Повний текст джерелаДисертації з теми "Functional Noble Metal Nanoparticle"
Weerawardene, K. L. Dimuthu M. "Optical and luminescence properties of noble metal nanoparticles." Diss., Kansas State University, 2017. http://hdl.handle.net/2097/38189.
Повний текст джерелаDepartment of Chemistry
Christine M. Aikens
The remarkable optical and luminescence properties of noble metal nanoparticles (with diameters < 2 nm) attract researchers due to potential applications in biomedicine, photocatalysis, and optoelectronics. Extensive experimental investigations on luminescence properties of thiolate-protected gold and silver nanoclusters during the past decade have failed to unravel their exact photoluminescence mechanism. Herein, density functional and time-dependent density functional theory (DFT and TDDFT) calculations are performed to elucidate electronic-level details of several such systems upon photoexcitation. Multiple excited states are found to be involved in photoemission from Au₂₅(SR)₁₈– nanoclusters, and their energies agree well with experimental emission energies. The Au₁₃ core-based excitations arising due to electrons excited from superatom P orbitals into the lowest two superatom D orbitals are responsible for all of these states. The large Stokes shift is attributed to significant geometrical and electronic structure changes in the excited state. The origin of photoluminescence of Ag₂₅(SR)₁₈– nanoclusters is analogous to their gold counterparts and heteroatom doping of each cluster with silver and gold correspondingly does not affect their luminescence mechanism. Other systems have been examined in this work to determine how widespread these observations are. We observe a very small Stokes shift for Au₃₈(SH)₂₄ that correlates with a relatively rigid structure with small bond length changes in its Au₂₃ core and a large Stokes shift for Au₂₂(SH)₁₈ with a large degree of structural flexibility in its Au₇ core. This suggests a relationship between the Stokes shift of gold−thiolate nanoparticles and their structural flexibility upon photoexcitation. The effect of ligands on the geometric structure and optical properties of the Au₂₀(SR)₁₆ nanocluster is explored. Comparison of the relative stability and optical absorption spectra suggests that this system prefers the [Au₇(Au₈SR₈)(Au₃SR₄)(AuSR₂)₂] structure regardless of whether aliphatic or aromatic ligands are employed. The real-time (RT) TDDFT method is rapidly gaining prominence as an alternative approach to capture optical properties of molecular systems. A systematic benchmark study is performed to demonstrate the consistency of linear-response (LR) and RT-TDDFT methods for calculating the optical absorption spectra of a variety of bare gold and silver nanoparticles with different sizes and shapes.
Guidez, Emilie Brigitte. "Quantum mechanical origin of the plasmonic properties of noble metal nanoparticles." Diss., Kansas State University, 2014. http://hdl.handle.net/2097/17314.
Повний текст джерелаDepartment of Chemistry
Christine M. Aikens
Small silver and gold clusters (less than 2 nm) display a discrete absorption spectrum characteristic of molecular systems whereas larger particles display a strong, broad absorption band in the visible. The latter feature is due to the surface plasmon resonance, which is commonly explained by the collective dipolar motion of free electrons across the particle, creating charged surface states. The evolution between molecular properties and plasmon is investigated. Time-dependent density functional theory (TDDFT) calculations are performed to study the absorption spectrum of cluster-size silver and gold nanorods. The absorption spectrum of these silver nanorods exhibits high-intensity longitudinal and transverse modes (along the long and short axis of the nanorod respectively), similar to the plasmons observed experimentally for larger nanoparticles. These plasmon modes result from a constructive addition of the dipole moments of nearly degenerate single-particle excitations. The number of single-particle transitions involved increases with increasing system size, due to the growing density of states available. Gold nanorods exhibit a broader absorption spectrum than their silver counterpart due to enhanced relativistic effects, affecting the onset of the longitudinal plasmon mode. The high-energy, high-intensity beta-peak of acenes also results from a constructive addition of single-particle transitions and I show that it can be assigned to a plasmon. I also show that the plasmon modes of both acenes and metallic nanoparticles can be described with a simple configuration interaction (CI) interpretation. The evolution between molecular absorption spectrum and plasmon is also investigated by computing the density of states of spherical thiolate-protected gold clusters using a charge-perturbed particle-in-a-sphere model. The electronic structure obtained with this model gives good qualitative agreement with DFT calculations at a fraction of the cost. The progressive increase of the density of states with particle size observed is in accordance with the appearance of a plasmon peak. The optical properties of nanoparticles can be tuned by varying their composition. Therefore, the optical behavior of the bimetallic Au[subscript](25-n)Ag[subscript]n(SH)[subscript]18[superscript]- cluster for different values of n using TDDFT is analyzed. A large blue shift of the HOMO-LUMO absorption peak is observed with increasing silver content, in accordance with experimental results.
Karimova, Natalia Vladimirovna. "Theoretical study of the optical properties of the noble metal nanoparticles: CD and MCD spectroscopy." Diss., Kansas State University, 2017. http://hdl.handle.net/2097/38177.
Повний текст джерелаDepartment of Chemistry
Christine M. Aikens
Gold and silver particles with dimensions less than a nanometer possess unique characteristics and properties that are different from the properties of the bulk. They demonstrate a non–zero HOMO–LUMO gap that can reach up to 3.0 eV. These differences arise from size quantization effects in the metal core due to the small number of atoms. These nanoparticles have attracted great interest for decades both in fundamental and applied research. Small gold clusters protected by various types of ligands are of interest because ligands allow obtaining gold nanoclusters with given sizes, shapes and properties. Three main families of organic ligands are usually used for stabilization of gold nanoclusters: phosphine ligands, thiolate ligands and DNA. Usually, optical properties of these NPs are studied using optical absorption spectroscopy. Unfortunately, sometimes this type of spectrum is poorly resolved and tends to appear very similar for different complexes. In these cases, circular dichroism (CD) and magnetic circular dichroism (MCD) spectroscopy can be applied. However, the interpretation of experimental CD and MCD spectra is a complicated process. In this thesis, theoretically simulated CD and MCD spectra were combined with optical absorption spectra to study optical activity for octa– and nona– and undecanuclear gold clusters protected by mono– and bidentate phosphine ligands. Additionally, optical properties of bare and DNA protected silver NPs were studied. Theoretical CD spectra were examined to learn more about the origin of chirality in chiral organometallic complexes, and to contribute to the understanding of the difference in chiroptical activity of gold clusters stabilized by different phosphine ligands and DNA–stabilized silver clusters. Furthermore, optical properties of the small centered gold clusters Au₈(PPh₃)₈²⁺ and Au₉(PPh₃)₈³⁺ were examined by optical absorption and MCD spectra using TDDFT. Theoretical MCD spectra were also used to identify the plasmonic behavior of silver nanoparticles. These results showed that CD and MCD spectroscopy yield more detailed information about optical properties and electronic structure of the different chemical systems than optical absorption spectroscopy alone. Theoretical simulation of the CD and MCD spectra together with optical absorption spectra can be used to assist in the understanding of empirically measured CD and MCD and provide useful information about optical properties and electronic structure.
Herrmann, Anne-Kristin. "Preparation, Processing and Characterization of Noble Metal Nanoparticle-based Aerogels." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-149672.
Повний текст джерелаGill, Arran Michael. "The extrusion of noble metal nanoparticle catalysts for sustainable oxidation reactions." Thesis, University of Southampton, 2017. https://eprints.soton.ac.uk/422157/.
Повний текст джерелаCrites, Charles-Oneil. "Investigating the Interactions between Free Radicals and Supported Noble Metal Nanoparticles in Oxidation Reactions." Thesis, Université d'Ottawa / University of Ottawa, 2015. http://hdl.handle.net/10393/33404.
Повний текст джерелаNear, Rachel Deanne. "Theoretical and experimental investigation of the plasmonic properties of noble metal nanoparticles." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/52181.
Повний текст джерелаBruzas, Ian R. "Biocompatible noble metal nanoparticle substrates for bioanalytical and biophysical analysis of protein and lipids." University of Cincinnati / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1553250462519941.
Повний текст джерелаJOUVE, ANDREA. "VALORISATION OF BIOMASS-DERIVED MOLECULES BY NOBLE METAL CATALYSTS." Doctoral thesis, Università degli Studi di Milano, 2020. http://hdl.handle.net/2434/710533.
Повний текст джерелаSinha, Roy Rajarshi. "Ab initio simulation of optical properties of noble-metal clusters." Thesis, Aix-Marseille, 2018. http://www.theses.fr/2018AIXM0017/document.
Повний текст джерелаThe fundamental research interest in nanometric pieces of noble metals is mainly due to the localized surface-plasmon resonance (LSPR) in the optical absorption. Different aspects related to the theoretical understanding of LSPRs in `intermediate-size' noble-metal clusters are studied in this thesis. To gain a broader perspective both the real-time \ai formalism of \td density-functional theory (RT-TDDFT) and the classical electromagnetics approach are employed. A systematic and detailed comparison of these two approaches highlights and quantifies the limitations of the electromagnetics approach when applied to quantum-sized systems. The differences between collective plasmonic excitations and the excitations involving $d$-electrons, as well as the interplay between them are explored in the spatial behaviour of the corresponding induced densities by performing the spatially resolved Fourier transform of the time-dependent induced density obtained from a RT-TDDFT simulation using a $\delta$-kick perturbation. In this thesis, both bare and ligand-protected noble-metal clusters were studied. In particular, motivated by recent experiments on plasmon emergence phenomena, the TDDFT study of Au-Cu nanoalloys in the size range just below 2~nm produced subtle insights into the general effects of alloying on the optical response of these systems
Книги з теми "Functional Noble Metal Nanoparticle"
MSIT Materials Science International Team. Noble Metal Systems. Selected Systems from Ag-Al-Zn to Rh-Ru-Sc (Landolt-Bornstein: Numerical Data and Functional Relationships in Science and Technology - New Series, Volume 11). Springer, 2006.
Знайти повний текст джерелаЧастини книг з теми "Functional Noble Metal Nanoparticle"
Yang, Minghui, Jianxiu Wang, and Feimeng Zhou. "Biomarker Detections Using Functional Noble Metal Nanoparticles." In ACS Symposium Series, 177–205. Washington, DC: American Chemical Society, 2012. http://dx.doi.org/10.1021/bk-2012-1112.ch007.
Повний текст джерелаLu, Feipeng, Shenghua Li, Jianhua Chen, Aifeng He, and Yin Wang. "Novel Pyrazol-Functional Covalent Organic Framework for Noble-Metal Nanoparticles Immobilization." In Springer Proceedings in Physics, 481–93. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-1774-5_36.
Повний текст джерелаZhou, Wenjuan, and Chao Lu. "Ultra Weak Chemiluminescence Enhanced by Noble Metal Nanoparticle." In Ultra-Weak Chemiluminescence, 143–71. Berlin, Heidelberg: Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/978-3-662-64841-4_8.
Повний текст джерелаZheng, Guangchao, Erjun Liang, and Shenli Wang. "CHAPTER 13. Proteins Engineer the Size and Morphology of Noble Metal Nanoparticles." In Reducing Agents in Colloidal Nanoparticle Synthesis, 333–54. Cambridge: Royal Society of Chemistry, 2021. http://dx.doi.org/10.1039/9781839163623-00333.
Повний текст джерелаNayak, Simantini, and Yatendra S. Chaudhary. "Catalytic Behavior of Noble Metal Nanoparticle-Metal Oxide Assemblies: An Effect of Interfacial Ligands." In Lecture Notes in Mechanical Engineering, 265–75. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-7264-5_20.
Повний текст джерелаLuo, Yunbo. "Functional Nucleic Acid Based Biosensors for Noble Metal Ion Detection." In Functional Nucleic Acid Based Biosensors for Food Safety Detection, 161–83. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8219-1_6.
Повний текст джерелаFreeman, A. J., S. Tang, S. H. Chou, Ye Ling, and B. Delley. "Local Density DMOL Studies of Noble and Alkali Metal Adsorption on the Silicon Surface." In Density Functional Methods in Chemistry, 61–75. New York, NY: Springer New York, 1991. http://dx.doi.org/10.1007/978-1-4612-3136-3_5.
Повний текст джерелаDhara, Sandip. "Surface Plasmon Polariton Assisted Optical Switching in Noble Metal Nanoparticle Systems: A Sub-Band Gap Approach." In Reviews in Plasmonics, 1–17. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-24606-2_1.
Повний текст джерелаBolla, P. A., M. A. Serradell, M. L. Casella, and P. J. Peruzzo. "CHAPTER 4. Nanoarchitectonics Based on S-layer Proteins: Design of Noble Metal Nanoparticle Arrangements and Nanostructured Materials." In Nanoscience & Nanotechnology Series, 82–105. Cambridge: Royal Society of Chemistry, 2022. http://dx.doi.org/10.1039/9781788019613-00082.
Повний текст джерелаChen, Jingyi. "Noble Metal Nanoparticle Platform." In Cancer Theranostics, 327–46. Elsevier, 2014. http://dx.doi.org/10.1016/b978-0-12-407722-5.00018-9.
Повний текст джерелаТези доповідей конференцій з теми "Functional Noble Metal Nanoparticle"
Varma, Ranjana S., D. C. Kothari, A. G. Mahadkar, N. A. Kulkarni, D. Kanjilal, P. Kumar, Dinesh K. Aswal, and Anil K. Debnath. "Synthesis Of Noble Metal Nanoparticle Composite Glasses Using Low Energy Ion Beam Mixing." In INTERNATIONAL CONFERENCE ON PHYSICS OF EMERGING FUNCTIONAL MATERIALS (PEFM-2010). AIP, 2010. http://dx.doi.org/10.1063/1.3530512.
Повний текст джерелаLiu, Feng, and Jean-Michel Nunzi. "Noble metal nanoparticle enhanced organic light emitting diodes." In SPIE Photonics Europe. SPIE, 2012. http://dx.doi.org/10.1117/12.927067.
Повний текст джерелаForcherio, Gregory T., Mourad Benamara, and D. Keith Roper. "Plasmon excitation and damping in noble metal nanoparticle-MoS2 nanocomposites." In SPIE Nanoscience + Engineering, edited by Stefano Cabrini, Gilles Lérondel, Adam M. Schwartzberg, and Taleb Mokari. SPIE, 2016. http://dx.doi.org/10.1117/12.2237831.
Повний текст джерелаNedyalkov, N. N., Ru G. Nikov, and P. A. Atanasov. "Near field intensity enhancement and localization in noble metal nanoparticle ensembles." In Seventeenth International School on Quantum Electronics: Laser Physics and Applications, edited by Tanja N. Dreischuh and Albena T. Daskalova. SPIE, 2013. http://dx.doi.org/10.1117/12.2013200.
Повний текст джерелаInya-Agha, Obianuju, Robert J. Forster, and Tia E. Keyes. "Noninvasive noble metal nanoparticle arrays for surface-enhanced Raman spectroscopy of proteins." In Biomedical Optics (BiOS) 2007, edited by Tuan Vo-Dinh and Joseph R. Lakowicz. SPIE, 2007. http://dx.doi.org/10.1117/12.725068.
Повний текст джерелаChoi, Ju H., George Saddiqi, Jere A. Wilson, and Regina Ragan. "Noble metal nanoparticle arrays: control of size, shape, and placement via chemical self-assembly." In Optics East 2006, edited by Nibir K. Dhar, Achyut K. Dutta, and M. Saif Islam. SPIE, 2006. http://dx.doi.org/10.1117/12.688409.
Повний текст джерелаLidorikis, E., S. Egusa, and J. D. Joannopoulos. "Effective optical response of noble metal nanoparticle arrays and photonic crystals with embedded nanoparticles." In 2007 Quantum Electronics and Laser Science Conference. IEEE, 2007. http://dx.doi.org/10.1109/qels.2007.4431672.
Повний текст джерелаSheridan, Eoin, Obianuju Inya-Agha, Tia Keyes, and Robert Forster. "Electrodeposited noble metal SERS: control of single nanoparticle size and control of array interparticle spacing." In Biomedical Optics (BiOS) 2007, edited by Tuan Vo-Dinh and Joseph R. Lakowicz. SPIE, 2007. http://dx.doi.org/10.1117/12.725069.
Повний текст джерелаAdams, Sarah M., and Regina Ragan. "Gold Nanoparticle Self Assembly on Diblock Copolymers for Application as Biomolecular Sensors." In ASME 2010 First Global Congress on NanoEngineering for Medicine and Biology. ASMEDC, 2010. http://dx.doi.org/10.1115/nemb2010-13126.
Повний текст джерелаYasuda, K., N. Tanaka, N. Wada, and H. Nishimura. "Creation and functional control of metal nanoparticle-polymer interface by laser plasma EUV light excitation." In 2018 International Conference on Electronics Packaging and iMAPS All Asia Conference (ICEP-IAAC). IEEE, 2018. http://dx.doi.org/10.23919/icep.2018.8374644.
Повний текст джерелаЗвіти організацій з теми "Functional Noble Metal Nanoparticle"
Kliewer, Christopher J. In-situ Studies of the Reactions of Bifunctional and Heterocyclic Molecules over Noble Metal Single Crystal and Nanoparticle Catalysts Studied with Kinetics and Sum-Frequency Generation Vibrational Spectroscopy. Office of Scientific and Technical Information (OSTI), June 2009. http://dx.doi.org/10.2172/973607.
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