Letteratura scientifica selezionata sul tema "Nanostructure materials"

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Articoli di riviste sul tema "Nanostructure materials"

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Afshar, Elham N., Georgi Xosrovashvili, Rasoul Rouhi e Nima E. Gorji. "Review on the application of nanostructure materials in solar cells". Modern Physics Letters B 29, n. 21 (10 agosto 2015): 1550118. http://dx.doi.org/10.1142/s0217984915501183.

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In recent years, nanostructure materials have opened a promising route to future of the renewable sources, especially in the solar cells. This paper considers the advantages of nanostructure materials in improving the performance and stability of the solar cell structures. These structures have been employed for various performance/energy conversion enhancement strategies. Here, we have investigated four types of nanostructures applied in solar cells, where all of them are named as quantum solar cells. We have also discussed recent development of quantum dot nanoparticles and carbon nanotubes enabling quantum solar cells to be competitive with the conventional solar cells. Furthermore, the advantages, disadvantages and industrializing challenges of nanostructured solar cells have been investigated.
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Hu, Zeyi, Wenliang Liu e Caihe Fan. "Micro-Nanostructure Formation Mechanism of High-Mg Al Alloy". Nanoscience and Nanotechnology Letters 11, n. 10 (1 ottobre 2019): 1338–48. http://dx.doi.org/10.1166/nnl.2019.3016.

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Micro-nanostructured materials have superior mechanical properties compared with coarse-grained materials. Severe plastic deformation (SPD) can effectively refine grains, resulting in the formation of typical micro-nanostructures. Fine grains improve alloy strength and toughness. This review summarizes the application of several typical SPD methods for high-Mg Al alloy. The effects of different SPD methods on the microstructure evolution, micro-nanostructure formation mechanism, and mechanical properties of the high-Mg Al alloy are analyzed in sequence. Finally, the development and future of the high-Mg Al alloy micro/nanostructure regulation are described.
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Gupta, Vinod Kumar, Njud S. Alharbie, Shilpi Agarwal e Vladimir A. Grachev. "New Emerging One Dimensional Nanostructure Materials for Gas Sensing Application: A Mini Review". Current Analytical Chemistry 15, n. 2 (19 febbraio 2019): 131–35. http://dx.doi.org/10.2174/1573411014666180319151407.

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Background: Nanomaterials have numerous potential applications in many areas such as electronics, optoelectronics, catalysis and composite materials. Particularly, one dimensional (1D) nanomaterials such as nanobelts, nanorods, and nanotubes can be used as either functional materials or building blocks for hierarchical nanostructures. 1D nanostructure plays a very important role in sensor technology. Objective: In the current review, our efforts are directed toward recent review on the use of 1D nanostructure materials which are used in the literature for developing high-performance gas sensors with fast response, quick recovery time and low detection limit. This mini review also focuses on the methods of synthesis of 1D nanostructural sensor array, sensing mechanisms and its application in sensing of different types of toxic gases which are fatal for human mankind. Particular emphasis is given to the relation between the nanostructure and sensor properties in an attempt to address structure-property correlations. Finally, some future research perspectives and new challenges that the field of 1D nanostructure sensors will have to address are also discussed.
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Yang, Ming, Xiaohua Chen, Zidong Wang, Yuzhi Zhu, Shiwei Pan, Kaixuan Chen, Yanlin Wang e Jiaqi Zheng. "Zero→Two-Dimensional Metal Nanostructures: An Overview on Methods of Preparation, Characterization, Properties, and Applications". Nanomaterials 11, n. 8 (23 luglio 2021): 1895. http://dx.doi.org/10.3390/nano11081895.

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Metal nanostructured materials, with many excellent and unique physical and mechanical properties compared to macroscopic bulk materials, have been widely used in the fields of electronics, bioimaging, sensing, photonics, biomimetic biology, information, and energy storage. It is worthy of noting that most of these applications require the use of nanostructured metals with specific controlled properties, which are significantly dependent on a series of physical parameters of its characteristic size, geometry, composition, and structure. Therefore, research on low-cost preparation of metal nanostructures and controlling of their characteristic sizes and geometric shapes are the keys to their development in different application fields. The preparation methods, physical and chemical properties, and application progress of metallic nanostructures are reviewed, and the methods for characterizing metal nanostructures are summarized. Finally, the future development of metallic nanostructure materials is explored.
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Chen, Huige, Run Shi e Tierui Zhang. "Nanostructured Photothermal Materials for Environmental and Catalytic Applications". Molecules 26, n. 24 (13 dicembre 2021): 7552. http://dx.doi.org/10.3390/molecules26247552.

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Solar energy is a green and sustainable clean energy source. Its rational use can alleviate the energy crisis and environmental pollution. Directly converting solar energy into heat energy is the most efficient method among all solar conversion strategies. Recently, various environmental and energy applications based on nanostructured photothermal materials stimulated the re-examination of the interfacial solar energy conversion process. The design of photothermal nanomaterials is demonstrated to be critical to promote the solar-to-heat energy conversion and the following physical and chemical processes. This review introduces the latest photothermal nanomaterials and their nanostructure modulation strategies for environmental (seawater evaporation) and catalytic (C1 conversion) applications. We present the research progress of photothermal seawater evaporation based on two-dimensional and three-dimensional porous materials. Then, we describe the progress of photothermal catalysis based on layered double hydroxide derived nanostructures, hydroxylated indium oxide nanostructures, and metal plasmonic nanostructures. Finally, we present our insights concerning the future development of this field.
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Han, Yang, e Zhien Zhang. "Nanostructured Membrane Materials for CO2 Capture: A Critical Review". Journal of Nanoscience and Nanotechnology 19, n. 6 (1 giugno 2019): 3173–79. http://dx.doi.org/10.1166/jnn.2019.16584.

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To mitigate carbon emission from the combustion of fossil fuels, membrane is advantageous due to the fact that membrane is a thin interphase acting as a selective barrier separating two phases. This thinness, typically in the range of 100 nm to a few micrometers, provides an almost natural platform to implement functional nanostructures. In this review, the recent progress in nanostructured membrane materials for CO2 capture will be discussed, including applications in flue gas decarbonizing (CO2/N2 separation) and syngas purification (CO2/H2 separation). In addition, the fundamentals of membrane technologies are also introduced. The reviewed nanostructure formation is confined to solid state materials, including polymer with intrinsic microporosity, carbon-based membranes, zeolite, and metal organic framework.
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Pauly, Alain, Sahal Saad Ali, Christelle Varenne, Jérôme Brunet, Eduard Llobet e Amadou L. Ndiaye. "Phthalocyanines and Porphyrins/Polyaniline Composites (PANI/CuPctBu and PANI/TPPH2) as Sensing Materials for Ammonia Detection". Polymers 14, n. 5 (24 febbraio 2022): 891. http://dx.doi.org/10.3390/polym14050891.

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We combined a conducting polymer, polyaniline (PANI), with an organic semiconducting macrocyclic (MCs) material. The macrocycles are the phthalocyanines and porphyrins used to tune the electrical properties of the PANI, which benefits from their ability to enhance sensor response. For this, we proceeded by a simple ultrasonically assisted reaction involving the two components, i.e., the PANI matrix and the MCs, to achieve the synthesis of the composite nanostructure PANI/MCs. The composite nanostructure has been characterized and deposited on interdigitated electrodes (IDEs) to construct resistive sensor devices. The isolated nanostructured composites present good electrical properties dominated by PANI electronic conductivity, and the characterization reveals that both components are present in the nanostructure. The experimental results obtained under gas exposures show that the composite nanostructures can be used as a sensing material with enhanced sensing properties. The sensing performance under different conditions, such as ambient humidity, and the sensor’s operating temperature are also investigated. Sensing behavior in deficient humidity levels and their response at different temperatures revealed unusual behaviors that help to understand the sensing mechanism. Gas sensors based on PANI/MCs demonstrate significant stability over time, but this stability is highly reduced after experiments in lower humidity conditions and at high temperatures.
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Cho, Seong J., Se Yeong Seok, Jin Young Kim, Geunbae Lim e Hoon Lim. "One-Step Fabrication of Hierarchically Structured Silicon Surfaces and Modification of Their Morphologies Using Sacrificial Layers". Journal of Nanomaterials 2013 (2013): 1–8. http://dx.doi.org/10.1155/2013/289256.

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Fabrication of one-dimensional nanostructures is a key issue for optical devices, fluidic devices, and solar cells because of their unique functionalities such as antireflection and superhydrophobicity. Here, we report a novel one-step process to fabricate patternable hierarchical structures consisting of microstructures and one-dimensional nanostructures using a sacrificial layer. The layer plays a role as not only a micromask for producing microstructures but also as a nanomask for nanostructures according to the etching time. Using this method, we fabricated patterned hierarchical structures, with the ability to control the shape and density of the nanostructure. The various architectures provided unique functionalities. For example, our sacrificial-layer etching method allowed nanostructures denser than what would be attainable with conventional processes to form. The dense nanostructure resulted in a very low reflectance of the silicon surface (less than 1%). The nanostructured surface and hierarchically structured surface also exhibited excellent antiwetting properties, with a high contact angle (>165°) and low sliding angle (<1°). We believe that our fabrication approach will provide new insight into functional surfaces, such as those used for antiwetting and antireflection surface applications.
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Paul, Sourav, Md Arafat Rahman, Sazzad Bin Sharif, Jin-Hyuk Kim, Safina-E.-Tahura Siddiqui e Md Abu Mowazzem Hossain. "TiO2 as an Anode of High-Performance Lithium-Ion Batteries: A Comprehensive Review towards Practical Application". Nanomaterials 12, n. 12 (13 giugno 2022): 2034. http://dx.doi.org/10.3390/nano12122034.

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Lithium-ion batteries (LIBs) are undeniably the most promising system for storing electric energy for both portable and stationary devices. A wide range of materials for anodes is being investigated to mitigate the issues with conventional graphite anodes. Among them, TiO2 has attracted extensive focus as an anode candidate due to its green technology, low volume fluctuations (<4%), safety, and durability. In this review, the fabrication of different TiO2 nanostructures along with their electrochemical performance are presented. Different nanostructured TiO2 materials including 0D, 1D, 2D, and 3D are thoroughly discussed as well. More precisely, the breakthroughs and recent developments in different anodic oxidation processes have been explored to identify in detail the effects of anodization parameters on nanostructure morphology. Clear guidelines on the interconnected nature of electrochemical behaviors, nanostructure morphology, and tunable anodic constraints are provided in this review.
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Erb, Denise J., Kai Schlage e Ralf Röhlsberger. "Uniform metal nanostructures with long-range order via three-step hierarchical self-assembly". Science Advances 1, n. 10 (novembre 2015): e1500751. http://dx.doi.org/10.1126/sciadv.1500751.

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Large-scale nanopatterning is a major issue in nanoscience and nanotechnology, but conventional top-down approaches are challenging because of instrumentation and process complexity while often lacking the desired spatial resolution. We present a hierarchical bottom-up nanopatterning routine using exclusively self-assembly processes: By combining crystal surface reconstruction, microphase separation of copolymers, and selective metal diffusion, we produce monodisperse metal nanostructures in highly regular arrays covering areas of square centimeters. In situ grazing incidence small-angle x-ray scattering during Fe nanostructure formation evidences an outstanding structural order in the self-assembling system and hints at the possibility of sculpting nanostructures using external process parameters. Thus, we demonstrate that bottom-up nanopatterning is a competitive alternative to top-down routines, achieving comparable pattern regularity, feature size, and patterned areas with considerably reduced effort. Intriguing assets of the proposed fabrication approach include the option for in situ investigations during pattern formation, the possibility of customizing the nanostructure morphology, the capacity to pattern arbitrarily large areas with ultrahigh structure densities unachievable by top-down approaches, and the potential to address the nanostructures individually. Numerous applications of self-assembled nanostructure patterns can be envisioned, for example, in high-density magnetic data storage, in functional nanostructured materials for photonics or catalysis, or in surface plasmon resonance–based sensing.
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Tesi sul tema "Nanostructure materials"

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Bude, Romain. "Synthèses et caractérisations de matériaux thermoélectriques nanostructurés". Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLC032/document.

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Les marchés de la thermoélectricité sont en pleine expansion avec l’intérêt croissant pour la récupération d’énergie thermique ou encore pour la gestion de la température de composants électroniques. En dépit de ses nombreux avantages, le développement de cette technologie est freiné par les performances des matériaux. Une voie d’amélioration identifiée est leur nanostructuration afin d’en diminuer la conductivité thermique de réseau.Dans ce travail de thèse, cette voie est appliquée au tellurure de bismuth, matériau connu pour posséder les meilleures performances autour de la température ambiante. Les matériaux sont obtenus par synthèse de nanoparticules en solution avant d’être mis en forme par pressage à chaud.Une première étude est réalisée sur la recherche d’un optimum de la taille de grain dans le massif. On montre que le contrôle des conditions de synthèse permet le contrôle des dimensions des nanoparticules. Par ailleurs, les analyses structurales et fonctionnelles des massifs après densification montrent que la variation de la taille initiale des particules permet le contrôle de la microstructure et des propriétés detransport des massifs.Une seconde étude porte sur la recherche d’un optimum en composition des matériaux Bi2Te3-xSex. Les analyses morphologiques mettent en évidence une structure complexe et particulière, laissant apparaitre la présence de trois phases dans les massifs.Les matériaux obtenus par cette méthode de synthèse possèdent a priori des propriétés de transport anisotropes. La caractérisation de leurs performances thermoélectriques est donc difficile. Plusieurs techniques de caractérisation sont mises en oeuvre afin de mieux connaitre leurs conductivités thermiques. Celles-ci sont faibles, ce qui montre l’intérêt de l’approche. Toutefois, leur conductivité électrique est plus basse que leurs homologues obtenus par des techniques plus conventionnelles. On montre néanmoins que l’optimisation des conditions de synthèse des particules entrant dans la composition des massifs alliés permet d’améliorer leurs propriétés électriques et donc leurs performances thermoélectriques
The global thermoelectric markets are in expansion with a growing interest for the energy harvesting or the thermal management of electronic components. Despite numerous advantages, this technology development is limited by the materials performances. A way to improve them is to use nanostructures in order to decrease the lattice thermal conductivity.In this work, this approach is applied to bismuth telluride, material well known for its high performance around room temperature. Materials are obtained from solution synthesis of nanoparticles before hot press compaction.A first study focuses on the determination of an optimal grain size in the bulk materials. It is shown that control over the synthesis parameters allows control on the size of nanoparticles.Moreover, structural and physical analyses on the bulks after sintering show that the change of thesynthesis parameters allows control over the microstructure and thermoelectric properties of the bulks.A second study is based on the study of an optimal composition of Bi2Te3-xSex materials. Morphological analysis show a specific and complex structure with three phases in the bulks.It is postulated that these materials should have anisotropic transport properties. Consequently, their characterizations are difficult. Different characterization techniques are used in order to have a better understanding of their thermal conductivities. Thermal conductivity of the bulks is found low which confirm the interest of this approach. However the electrical conductivity is lower than the one of the materials obtained by more conventional methods. We show that the synthesis parameters of the particles can be optimized to increase the thermoelectric performances of the bulk materials
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Zhou, Zhengzhi. "Synthesis of one-dimensional nanostructure materials". Diss., Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/29703.

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Thesis (Ph.D)--Chemical Engineering, Georgia Institute of Technology, 2009.
Committee Chair: Deng,Yulin; Committee Member: Hsieh, Jeffery S.; Committee Member: Nair, Sankar; Committee Member: Singh, Preet; Committee Member: Yao, Donggang. Part of the SMARTech Electronic Thesis and Dissertation Collection.
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Srivastava, Devesh. "Fabrication of nanostructures and nanostructure based interfaces for biosensor application". Diss., Connect to online resource - MSU authorized users, 2008.

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Chew, Zheng Jun. "Integrated transducers and nanostructure synthesis". Thesis, Swansea University, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.678389.

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Tan, Yu-May. "Mesoporous materials". Thesis, University of Southampton, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.370067.

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Yu, Mingjun. "Magnetism of films with controlled nanostructure". [Lincoln, Neb. : University of Nebraska-Lincoln], 1999. http://international.unl.edu/Private/1999/mingjunab.pdf.

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Tadd, Erica Heitman. "Spatial distribution of cobalt nanoclusters in a block copolymer matrix". Thesis, Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/19453.

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Chen, Fanglin. "Synthesis and characterization of nanostructured materials for electrochemical and catalytic applications". Diss., Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/20004.

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Chan, Yu Fai. "Nanostructure characterization by transmission electron microscopy /". View Abstract or Full-Text, 2002. http://library.ust.hk/cgi/db/thesis.pl?PHYS%202002%20CHAN.

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Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2002.
Includes bibliographical references (leaves 62-63). Also available in electronic version. Access restricted to campus users.
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Chen, Xinyi, e 陈辛夷. "Wide band-gap nanostructure based devices". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2012. http://hub.hku.hk/bib/B49799290.

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Wide band gap based nanostructures have being attracting much research interest because of their promise for application in optoelectronic devices. Among those wide band gap semiconductors, gallium nitride (GaN) and zinc oxide (ZnO) are the most commonly studied and optoelectronic devices based on GaN and ZnO have been widely investigated. This thesis concentrates on the growth, optical and electrical properties of GaN and ZnO nanostructures, plus their application in solar cells and light emitting diodes (LEDs). GaN-nanowire based dye sensitized solar cells were studied. Different post-growth treatments such as annealing and coating with a TiOx shell were applied to enhance dye absorption. It was found that TiOx increased the dye absorption and the performance of the dye sensitized solar cell. ZnO nanorods were synthesized by vapor deposition and electrodeposition. Post-growth treatments such as annealing and hydrothermal processing were used to modify the defect chemistry and optical properties. LEDs based on GaN/ZnO heterojunctions were studied. The influence of ZnO seed layers on GaN/ZnO LEDs was investigated. GaN/ZnO LEDs based on ZnO nanorods with MgO and TiOx shells were also prepared in order to modify the LED performance. The coating condition of the shell was found to influence the current-voltage (I-V) characteristics and device performance. Moreover, high brightness LEDs based on GaN with InGaN multiple quantum wells were also fabricated. The origin of the emission from GaN/ZnO LEDs was studied using different kinds of GaN substrates. Direct metal contacts on bare GaN substrates were also employed to investigate the optical emission and electrical properties. It is found that the emission from the GaN/ZnO LEDs probably originated from the GaN substrate. GaN/ZnO LEDs with MgO as an interlayer were also fabricated. The MgO layer was expected to modify the band alignment between the GaN and the ZnO. It was shown that GaN/MgO/ZnO heterojunctions (using both ZnO nanorods and ZnO films) have quite different emission performance under forward bias compared to those that have no MgO interlayer. An emission peak was around 400 nm could originate from ZnO. Nitrogen doped ZnO nanorods on n-type GaN have been prepared by electrodeposition. Zinc nitrate and zinc acetate were used as ZnO precursors and NH4NO3 was used as a nitrogen precursor. Only the ZnO nanorods made using zinc nitrate showed obvious evidence of doping and coherent I-V characteristics. Cerium doped ZnO based LEDs were fabricated and showed an emission that depended on the cerium precursor that was employed. This indicates that the choice of precursor influences the growth, the materials properties and the optical properties of ZnO.
published_or_final_version
Physics
Doctoral
Doctor of Philosophy
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Libri sul tema "Nanostructure materials"

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W, Siegel R., e World Technology Evaluation Center, a cura di. WTEC panel on nanostructure science and technology: R&D status and trends in nanoparticles, nanostructured materials, and nanodevices. Baltimore, Md: International Technology Research Institute, 1999.

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W, Siegel R., World Technology Evaluation Center e International Technology Research Institute (Loyola College in Maryland), a cura di. WTEC panel report on nanostructure science and technology: R & D status and trends in nanoparticles, nanostructured materials, and nanodevices. Dordrecht: Kluwer Academic Publishers, 1999.

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Sonker, Rakesh Kumar, Kedar Singh e Rajendra Sonkawade, a cura di. Smart Nanostructure Materials and Sensor Technology. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-2685-3.

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Klaus, Sattler, a cura di. Cluster assembled materials. Uetikon-Zuerich, Switzerland: Trans Tech Publications, 1996.

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J, Pinnavaia Thomas, e Beall G. W, a cura di. Polymer-clay nanocomposites. Chichester, England: Wiley, 2000.

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1957-, Chow Gan-Moog, Ovid'ko Ilya A, Tsakalakos Thomas e NATO Advanced Research Workshop on Nanostructured Films and Coatings (1999 : Santorini, Greece), a cura di. Nanostructered films and coatings: [proceedings of the NATO Advanced Research Workshop on Nanostructured Films and Coatings, Santorini, Greece, June 28-30, 1999]. Dordrecht: Kluwer Academic Publishers, 2000.

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International Symposium on Metastable, Mechanically Alloyed and Nanocrystalline Materials (1998 Wollongong (Sydney), Australia). Metastable, mechanically alloyed and nanocrystalline materials: ISMANAM 98 : proceedings of the International Symposium on Metastable, Mechanically Alloyed and Nanocrystalline Materials (ISMANAM 98), held in Wollongong (Sydney), Australia, December 1998. A cura di Calka A e Wexler David S. 1967-. Zuerich-Uetikon, Switzerland: Trans Tech Publications Ltd., 1999.

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H, Michler Goerg, e Baltá-Calleja F. J, a cura di. Mechanical properties of polymers based on nanostructure and morphology. Boca Raton, Fla: Taylor & Francis, 2005.

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International Conference on Optical Properties of Nanostructures (2nd 1994 Sendai, Japan). The Second Nishina Conference: OPN '94 : proceedings of the International Conference on Optical Properties of Nanostrucutres, Sendai, Japan, 19-22 September, 1994. Tokyo, Japan: Publication Office, Japanese Journal of Applied Physics, 1995.

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Symposium, C. Nanostructured Materials (2000 City University of Hong Kong). Proceedings of Symposium-C, Nanostructured Materials, International Union of Materials Research Society, 6th International Conference in Asia. Amsterdam, The Netherlands: Elsevier, 2001.

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Capitoli di libri sul tema "Nanostructure materials"

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Suzuki, Yasutaka, e Jun Kawamata. "Optical Materials". In Nanostructure Science and Technology, 467–81. Tokyo: Springer Japan, 2017. http://dx.doi.org/10.1007/978-4-431-56496-6_19.

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Kumar, Challa Vijaya. "Biological Materials". In Nanostructure Science and Technology, 523–42. Tokyo: Springer Japan, 2017. http://dx.doi.org/10.1007/978-4-431-56496-6_22.

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Oka, Yasuo, Hiroshi Okamoto, Kohei Yanata e Masaaki Takahashi. "Nanostructure Semimagnetic Semiconductors". In Mesoscopic Materials and Clusters, 101–12. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-662-08674-2_10.

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Verma, Naveen, Jitender Jindal, Krishan Chander Singh e Anuj Mittal. "Anodic Oxide Nanostructures: Theories of Anodic Nanostructure Self-Organization". In Advanced Coating Materials, 235–54. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2018. http://dx.doi.org/10.1002/9781119407652.ch8.

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Cox, Donald M. "High Surface Area Materials". In Nanostructure Science and Technology, 49–66. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-015-9185-0_4.

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Ikram, Muhammad, Ali Raza e Salamat Ali. "Composition and Materials Chemistry". In Nanostructure Science and Technology, 31–63. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-96021-6_3.

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Zhao, Yong, e Nü Wang. "Electrospun Superhydrophobic Self-Cleaning Materials". In Nanostructure Science and Technology, 449–72. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-54160-5_18.

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Koch, Carl. "Bulk Behavior of Nanostructured Materials". In Nanostructure Science and Technology, 93–111. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-015-9185-0_6.

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Ikram, Muhammad, Ali Raza e Salamat Ali. "Advances in Ultrathin 2D Materials". In Nanostructure Science and Technology, 11–29. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-96021-6_2.

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Fang, Qihong, e Jia Li. "Nanostructure-Reinforced Composites". In Mechanical Behavior of Advanced Materials: Modeling and Simulation, 259–311. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003225706-9.

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Atti di convegni sul tema "Nanostructure materials"

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Yu, Shuangcheng, Yichi Zhang, Chen Wang, Won-kyu Lee, Biqin Dong, Teri W. Odom, Cheng Sun e Wei Chen. "Characterization and Design of Functional Quasi-Random Nanostructured Materials Using Spectral Density Function". In ASME 2016 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/detc2016-60118.

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Quasi-random nanostructured material systems (NMSs) are emerging engineered material systems via cost-effective, scalable bottom-up processes, such as the phase separation of polymer mixtures or the mechanical self-assembly based on thin-film wrinkling. Current development of functional quasi-random NMSs mainly follows a sequential strategy without considering the fabrication conditions in nanostructure optimization, which limits the feasibility of the optimized design for large-scale, parallel nanomanufacturing using bottom-up processes. We propose a novel design methodology for designing quasi-random NMSs that employs spectral density function (SDF) to concurrently optimize the nanostructure and design the corresponding nanomanufacturing conditions of a bottom-up process. Alternative to the well-known correlation functions for characterizing the structural correlation of NMSs, the SDF provides a convenient and informative design representation to bridge the gap between processing-structure and structure-performance relationships, to enable fast explorations of optimal fabricable nanostructures, and to exploit the stochastic nature of manufacturing processes. In this paper, we first introduce the SDF as a non-deterministic design representation for quasi-random NMSs, compared with the two-point correlation function. Efficient reconstruction methods for quasi-random NMSs are developed for handling different morphologies, such as the channel-type and particle-type, in simulation-based design. The SDF based computational design methodology is illustrated by the optimization of quasi-random light-trapping nanostructures in thin-film solar cells for both channel-type and particle-type NMSs. Finally, the concurrent design strategy is employed to optimize the quasi-random light-trapping structure manufactured via scalable wrinkle nanolithography process.
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2

Shafirin, Pavel, Pengli Feng, Druga Prasad e Artur Davoyan. "Nanophotonic Control of High Energy Light-Materials Interaction". In CLEO: Applications and Technology. Washington, D.C.: Optica Publishing Group, 2023. http://dx.doi.org/10.1364/cleo_at.2023.jth2a.79.

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We study experimentally and theoretically the effects of intense laser beams interaction with metallic nanostructures in the ablation regime. Specifically, at high laser beam fluences we create ablation plasmas and study their spatio-temporal evolution as a function of the underlying metallic nanostructure. Our work hints the possibility of controlling ablation plasmas with properly selected systems structured at the nanoscale, offering new opportunities for a range of applications from compact accelerators and light sources to advanced manufacturing to plasma medicine.
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3

Yao, Jianhua. "Laser materials processing for nanostructure coatings". In ICALEO® 2014: 33rd International Congress on Laser Materials Processing, Laser Microprocessing and Nanomanufacturing. Laser Institute of America, 2014. http://dx.doi.org/10.2351/1.5063148.

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4

Wolff, Niklas. "Nanostructure of Semiconductor Hybrid Aero-Materials". In European Microscopy Congress 2020. Royal Microscopical Society, 2021. http://dx.doi.org/10.22443/rms.emc2020.563.

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Li, Meicheng, Rui Huang, Pengfei Fu, Ruike Li, Fan Bai, Dandan Song e Yingfeng Li. "Optical Property of Silicon Based Nanostructure and Fabrication of Silicon Nanostructure Solar Cells". In Optical Nanostructures and Advanced Materials for Photovoltaics. Washington, D.C.: OSA, 2014. http://dx.doi.org/10.1364/pv.2014.pw3c.5.

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6

Giakos, G. C., T. Farrahi, C. Narayan, S. Shrestha, T. Quang, D. Bandopadhayay, A. Karim, Y. Li, A. Deshpande e D. Pingili. "Polymer nanostructure materials for space defense applications". In SPIE Defense, Security, and Sensing, a cura di Šárka O. Southern. SPIE, 2013. http://dx.doi.org/10.1117/12.2022917.

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7

Hanawa, Y., Y. Sasaki, S. Uchida, T. Funayoshi, M. Otsuji, H. Takahashi e A. Sakuma. "Thermomechanical Formulation of Freezing Point Depression Behavior of Liquid on Solid Surface With Nanostructure". In 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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8

Maksimov, Leonid V., Anatolii V. Anan'ev, Victor N. Bogdanov, Andrey A. Lipovskii, Dmitri K. Tagantsev e Oleg V. Yanush. "Nanostructure of glasses: experimental evidence". In Sixth International Conference on Advanced Optical Materials and Devices, a cura di Janis Spigulis, Andris Krumins, Donats Millers, Andris Sternberg, Inta Muzikante, Andris Ozols e Maris Ozolinsh. SPIE, 2008. http://dx.doi.org/10.1117/12.815745.

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9

Jindal, Himanshu, Inderjeet Singh Sandhu, Mansi Chitkara e Amandeep Singh Oberoi. "Nanostructure Materials For Electrochemical Hydrogen Storage: A Review". In 2018 6th Edition of International Conference on Wireless Networks & Embedded Systems (WECON). IEEE, 2018. http://dx.doi.org/10.1109/wecon.2018.8782067.

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Korzhyk, Volodymyr, Petpo Stukhliak, Olena Berdnikova, Junjun ZHao, Kseniia Lepilina e Ihor Skachkov. "Metal-Ceramic and Epoxy Composite Materials Nanostructure Coatings". In 2023 IEEE 13th International Conference Nanomaterials: Applications & Properties (NAP). IEEE, 2023. http://dx.doi.org/10.1109/nap59739.2023.10311025.

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Rapporti di organizzazioni sul tema "Nanostructure materials"

1

Barbee, T. W. Jr. EE FY00 report: nanostructure multilayer materials for capacitors. Office of Scientific and Technical Information (OSTI), ottobre 2000. http://dx.doi.org/10.2172/15004113.

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Khodadai, Jay. Nanostructure-enhanced Phase Change Materials (NePCM) and HRD. Office of Scientific and Technical Information (OSTI), novembre 2013. http://dx.doi.org/10.2172/1414272.

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3

Thompson, Aidan P. Nanostructure-enhanced Chemical Reactivity and Detonation in Energetic Materials. Office of Scientific and Technical Information (OSTI), settembre 2015. http://dx.doi.org/10.2172/1214609.

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Barbee, T. W. Jr, e C. W. Johnson. Nanostructure multilayer materials for capacitor energy storage for EH vehicles. Office of Scientific and Technical Information (OSTI), febbraio 1995. http://dx.doi.org/10.2172/304715.

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5

Bulovic, Vladimir. PECASE: Nanostructure Hybrid Organic/Inorganic Materials for Active Opto-Electronic Devices. Fort Belvoir, VA: Defense Technical Information Center, gennaio 2011. http://dx.doi.org/10.21236/ada547102.

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Shan, Tzu-Ray, e Aidan P. Thompson. Nanostructure-enhanced Chemical Reactivity and Detonation in Energetic Materials: End of Year Summary. Office of Scientific and Technical Information (OSTI), settembre 2015. http://dx.doi.org/10.2172/1214610.

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7

Ogale, Amod A. Surface Anchoring of Nematic Phase on Carbon Nanotubes: Nanostructure of Ultra-High Temperature Materials. Office of Scientific and Technical Information (OSTI), aprile 2012. http://dx.doi.org/10.2172/1039158.

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Rappe, Andrew M. Materials Design of Core-Shell Nanostructure Catalysts and New Quantum Monte Carlo Methods, with Application to Combustion. Fort Belvoir, VA: Defense Technical Information Center, febbraio 2010. http://dx.doi.org/10.21236/ada589588.

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9

Barbee, T. W., e W. Yee. Development and Implementaton of Advanced Materials for Aircraft Engine Applications Development and Implementation of Nanostructure Laminates Final Report CRADA No. TC-0497-93-B. Office of Scientific and Technical Information (OSTI), marzo 2018. http://dx.doi.org/10.2172/1426102.

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10

Barbee, Jr, T. Development and Implementaton of Advanced Materials for Aircraft Engine Applications Development and Implementation of Nanostructure Laminates Final Report CRADA No. TC-0497-93-B. Office of Scientific and Technical Information (OSTI), maggio 1998. http://dx.doi.org/10.2172/757006.

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