Báo cáo hóa học: "Synthesis and characterization of VO2-based thermochromic thin films for energy-efficient windows" pdf

... range of stoichiometric compositions. Therefore, the present work reports on the synthesis and systematic investigations on th e structure, morphol- ogy, and electrochemical performances of an ... results and wrote the paper. JS, HP, JWK, and KK participated in the characterization of samples and carried out experiments. VM contributed to the technical discussions. All the a...

Ngày tải lên: 20/06/2014, 23:20

... maximum of BeO is of lower energy than that of ZnO, while the conduction band minimum of BeO is of higher energy than that of ZnO [32]. In such case, a potential well for both electron and hole is formed ... tremendous research efforts have been devoted to exploring the structure and optical p roperties of ZnB eO alloy [22-28]. Unfortunately, the previously reported Zn BeO...

Ngày tải lên: 21/06/2014, 00:20

... derivative of both curves of the hysteresis loops (heating and cooling) and considering the mean value. Results and discussion Structural characterization The crystal structure of the three sets of films ... Mo, and Nb and different doping concentrations. We report on the influence of each el ement and respec- tive concentrations on the crystal struct ure of the f...

Ngày tải lên: 21/06/2014, 04:20

... basis of a trigonal structure of space group ¯ R3m with monoclinic C2/m phase as expected. The morphologies and electrochemical properties of the samples obtained were compared as the value of x and ... results and wrote the paper. JS, HP, JWK, and KK participated in the characterization of samples and carried out experiments. VM contributed to the technical discussions....

Ngày tải lên: 21/06/2014, 17:20

... Provisional PDF corresponds to the article as it appeared upon acceptance. Fully formatted PDF and full text (HTML) versions will be made available soon. Synthesis and characterization of CuO nanowires ... (N 2 O, NO, and NO 2 ). Appl Catal B 2006, 62:336-344. 12. Ghosh S, Avasthi DK, Shah P, Ganesan V, Gupta A, Sarangi D, Bhattacharya R, Assmann W: Deposition of thin fil...

Ngày tải lên: 21/06/2014, 17:20

... applications of these materials for energy and biological aspects are in progress. Conclusion A single-step process for the synthesis of good quality and large quantities of metal-encapsulated MWNB and ... surface of the CNTs for the attachment of various functional materials, and therefore nanotubes are subjected to various treatments which create the defects in nanot...

Ngày tải lên: 21/06/2014, 22:20

... Shi Department of Physics, School of Sciences, China University of Mining and Technology, 221008 Xuzhou, People’s Republic of China e-mail: yifeng@semi.ac.cn C. Xue Institute of Semiconductors, College of ... morphology, crystallinity and microstructure of the as-synthesized samples. Our results show that the samples are of hexag- onal wurtzite structure. For the majorit...

Ngày tải lên: 22/06/2014, 00:20

... energy, E g the band gap energy, and A is the constant having separate values for different transitions. The values of m for allowed direct, allowed indirect, forbidden direct, and forbidden indirect ... between those sub-bands. Those bands of SnS 2 nanocrystallites may be associated with the presence of defect either interface or interior. Our band gap energies (4.4 and 5.8 e...

Ngày tải lên: 22/06/2014, 00:20

... cubic structure and a narrower direct band gap of 2.2–2.5 eV, the band gap of ZnO can be red-shifted to a blue or even a green spectral range. Wang et al. [31] have shown that UV near-band- edge emission ... argon flow of 100 sccm. The temperature was maintained at 500– 550 ° C for about 1 h and then the furnace was allowed to cool normally to room temperature before taking the sam...

Ngày tải lên: 22/06/2014, 00:20

... use of polar solvent and another hydrophilic monomer would be helpful to increase the rate of polymerization and stability of emulsion [18]. However, the details in nucleation and growth of hybrid ZrO 2 nanocomposites, ... organic and inorganic materials formed by means of a highly reactive methacrylate group of AAEM have been confirmed by XRD, FTIR, XPS, and TGA analysis...

Ngày tải lên: 22/06/2014, 01:20