搜索结果: 1-15 共查到“知识库 Nanostructures”相关记录30条 . 查询时间(0.062 秒)
Facet evolution on supported nanostructures:Effect of finite height
Facet evolution nanostructures finite height
2015/10/16
The surface of a nanostructure relaxing on a substrate consists of a finite number of interacting steps and often involves the expansion of facets. Prior theoretical studies of facet evolution have fo...
Characterization of Self-Assembled Functional Polymeric Nanostructures: I. Magnetic Nanostructures from Metallopolymers II. Zwitterionic Polymer Vesicles in Ionic Liquid
Diblock Copolymer Functional Polymers Magnetic Materials Materials Characterization Metal-functionalized polymers Self-assembly
2014/11/21
Two diverse projects illustrate the application of various materials characterization techniques to investigate the structure and properties of nanostructured functional materials formed in both bulk ...
Light management for photovoltaics using high-index nanostructures
Light management photovoltaics high-index nanostructures
2015/8/6
High-performance photovoltaic cells use semiconductors to convert sunlight into clean electrical power, and transparent dielectrics or conductive oxides as antireflection coatings. A common feature of...
Demonstration of Strong Near-Field Radiative Heat Transfer between Integrated Nanostructures
Thermal transport thermal radiation near-fi eld radiation microelectromechanical systems (MEMS) surface phonon-polariton
2015/8/6
Near-field heat transfer recently attracted growing interest but was demonstrated experimentally only in macroscopic systems. However, several projected applications would be relevant mostly in ...
Computational All-Electron Time-Dependent Density Functional Theory in Real Space and Real-Time: Applications to Molecules and Nanostructures
Pure sciences Applied sciences Nanotubes Quantum simulations Tddft Diagonalizations Eigenvalue solver
2014/11/7
Nowadays, for nanoelectronic devices, inter-atomic interactions and quantum effects are becoming increasingly important. For time dependent problem, such as high frequency electronics responses, or op...
Near-Field Radiative Cooling of Nanostructures
Near-fi eld thermal radiation resistive thermometry cooling
2015/8/7
We measure near-field radiative cooling of a thermally isolated nanostructure up to a few degrees and show that in principle this process can efficiently cool down localized hotspots by ten...
We study Raman scattering in active media placed in proximity of different types of metal nanostructures, at wavelengths that display either Fabry-Perot or plasmonic resonances, or a combination of bo...
Dielectric nanostructures for broadband light trapping in organic solar cells
Solar energy Nanophotonics photonic crystals Diffraction gratings
2015/8/10
Organic bulk heterojunction solar cells are a promising candidate for low-cost next-generation photovoltaic systems. However,carrier extraction limitations necessitate thin active layers that sacri...
First-principle electronic structure calculations within real-space mesh framework: Applications to atoms, molecules and nanostructures
Applied sciences All-electron calculations Electronic structure Real-space mesh techniques Carbon nanotubes
2014/11/7
This dissertation is organized as follows. Beginning with physical background discussions of many-body problems, Chapter 1 introduces the central Kohn-Sham equations of Density Functional Theory for e...
Klein tunneling in carbon nanostructures: a free particle dynamics in disguise
Klein tunneling carbon nanostructures particle dynamics disguise
2010/11/9
The absence of backscattering in metallic nanotubes as well as perfect Klein tunneling in the potential barriers in graphene are explained by showing that both phenomena have a free particle dynamics...
Single Color Centers Implanted in Diamond Nanostructures
Single Color Centers Diamond Nanostructures
2010/10/27
The development of materials processing techniques for optical diamond nanostructures containing a single color center is an important problem in quantum science and technology. In this work, we prese...
Lattice Heat Capacity of Mesoscopic Nanostructures
Lattice Heat Capacity Mesoscopic Nanostructures
2010/10/27
We present a rigorous full quantum mechanical model for the lattice heat capacity of mesoscopic nanostructures in various dimensions. Model can be applied to arbitrary nanostructures with known vibrat...
Low-energy cathodoluminescence microscopy for the characterization of nanostructures
Low-energy cathodoluminescence microscopy the characterization nanostructures
2010/10/12
Spatially and spectrally resolved low-energy cathodoluminescence (CL) microscopy was applied to the characterization of nanostructures. CL has the advantage of revealing not only the presence of lumin...
Superscattering of Light from Subwavelength Nanostructures
Superscattering Light Subwavelength Nanostructures
2015/8/10
We provide a theoretical discussion of the scattering cross section of individual subwavelength structures. We show that, in principle, an arbitrarily large total cross section can be achieved, provid...
Antibacterial Action and Physicochemical Properties of Stabilized Silver and Gold Nanostructures on the Surface of Disperse Silica
Silver Gold Nanoparticles Binary Stabilizer PVP and SDS Adsorption High Disperse Silica Antimicrobial Activity
2013/3/20
This work is devoted to the synthesis and stabilization of nanosized Ag/SiO2 and Au/SiO2 disperse materials and investigation their morphology, optical and antimicrobial properties. First, Ag and Au n...