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International Conference on Thin Film Physics and Applications最新文献

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Influence of heat treatment on the microstruture of SnS/ZnS film prepared by vacuum evaporation 热处理对真空蒸发制备的SnS/ZnS薄膜显微组织的影响
International Conference on Thin Film Physics and Applications Pub Date : 2010-10-11 DOI: 10.1117/12.888226
Wenjun Wu, Wei-min Shi, Zhe Hu, Sheng Liu, Weiguang Yang, Guang-pu Wei
{"title":"Influence of heat treatment on the microstruture of SnS/ZnS film prepared by vacuum evaporation","authors":"Wenjun Wu, Wei-min Shi, Zhe Hu, Sheng Liu, Weiguang Yang, Guang-pu Wei","doi":"10.1117/12.888226","DOIUrl":"https://doi.org/10.1117/12.888226","url":null,"abstract":"In the heterojunction system, SnS was used as the absorption layer of solar cells. In this work, Cd-free ZnS material was selected as the window layer. SnS and ZnS were prepared by vacuum evaporation. Annealing plays a considerable role in the process which will affect the crystal structure and composition of the film. In this experiment, the films were annealed at temperature 300°C, 400°C and 500°C in N2 atmosphere. In XRD diagram, two strong diffraction peaks at 29.2° and 32.2° were observed, corresponding to β-ZnS (111) and SnS (111), respectively. SEM images show that average grain size of the film is about 50 nm. Noticeable increase of grain size and clear boundaries between grains were found after annealing. The electrical properties of the SnS thin films were changed through varying annealing processes. All the results indicate that ZnS/SnS structure is a good choice of SnS solar cells.","PeriodicalId":316559,"journal":{"name":"International Conference on Thin Film Physics and Applications","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126952701","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Temperature dependence of optical properties in Sn0.925Mn0.075O2 film determined by transmittance spectra 用透射光谱测定Sn0.925Mn0.075O2薄膜光学性质的温度依赖性
International Conference on Thin Film Physics and Applications Pub Date : 2010-10-11 DOI: 10.1117/12.888311
W. Zhang, W. L. Yu, K. Jiang, Z. Hu
{"title":"Temperature dependence of optical properties in Sn0.925Mn0.075O2 film determined by transmittance spectra","authors":"W. Zhang, W. L. Yu, K. Jiang, Z. Hu","doi":"10.1117/12.888311","DOIUrl":"https://doi.org/10.1117/12.888311","url":null,"abstract":"Near-infrared-ultraviolet optical properties of Sn0.925Mn0.075O2 (SMO) film grown on c-plane sapphire substrate have been investigated by the transmittance spectra in the photon energy of 0.45-6.5 eV (190-2650 nm) from 5.3-300 K. The optical constants have been extracted by fitting the experimental data with the Adachi's model. The optical band gap of the film can be estimated from the relation (αE)2proportional to(hυ-Eg). It is found that the absorption edge shifts to a lower energy side with increasing the temperature and the band gap Eg decreases from 3.80 to 3.72 eV. The parameters αB and θB of the Bose-Einstein model are 45.4 meV and 221.8 K, respectively, which could be ascribed to the thermal expansion of crystal lattice and the carrier-phonon interaction. The band narrowing coefficient dEg/dT of the SMO film is estimated to be -3.92x10-4 eV/K at room temperature.","PeriodicalId":316559,"journal":{"name":"International Conference on Thin Film Physics and Applications","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126772419","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Preparation and characterization of tungsten oxide thin films with high electrochromic performance 高电致变色性能氧化钨薄膜的制备与表征
International Conference on Thin Film Physics and Applications Pub Date : 2010-10-11 DOI: 10.1117/12.887560
G. Lv, Yonggang Wu, Heyun Wu, Leijie Ling, Zihuan Xia
{"title":"Preparation and characterization of tungsten oxide thin films with high electrochromic performance","authors":"G. Lv, Yonggang Wu, Heyun Wu, Leijie Ling, Zihuan Xia","doi":"10.1117/12.887560","DOIUrl":"https://doi.org/10.1117/12.887560","url":null,"abstract":"Tungsten oxide thin films were prepared by depositing WO3 onto glass substrates coated with ITO using reactive evaporation process at ambient temperature and 200°C respectively. The thin films were grown at different deposition rate. Chronoamperometry was carried out and spectral measurements were performed in situ. Results showed that the thin films prepared at low deposition rates possess higher coloration efficiency (CE), and the thin films grown at ambient temperature have high CE than those grown at 200°C. The origin of the differences in coloration efficiency of the thin films were analyzed and discussed based on the electrochromic mechanism of amorphous tungsten oxide films. The samples morphology was characterized by atom force microscopy (AFM).","PeriodicalId":316559,"journal":{"name":"International Conference on Thin Film Physics and Applications","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121217904","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Preparation and characterizaion of CTAB-templated large pore silica nanocomposite films ctab模板大孔二氧化硅纳米复合膜的制备与表征
International Conference on Thin Film Physics and Applications Pub Date : 2010-10-11 DOI: 10.1117/12.888306
Lanfang Yao, Linlin Tian, Shuo Wang, Lin Li, Ruiqing Xu, X. Fang
{"title":"Preparation and characterizaion of CTAB-templated large pore silica nanocomposite films","authors":"Lanfang Yao, Linlin Tian, Shuo Wang, Lin Li, Ruiqing Xu, X. Fang","doi":"10.1117/12.888306","DOIUrl":"https://doi.org/10.1117/12.888306","url":null,"abstract":"CTAB-templated large pore silica nano-composite films were prepared by means of a two-step acid-catalyzed and solgel process using tetraethoxysilane (TEOS) as the precursor, Surfactant cetyltrimethy- ammonium bromide (CTAB) as an organic template to generate the uniformity pore structure and 1,3,5-trimethyl benzene (TMB) as organic swelling agent. The obtained samples were characterized by XRD, Fourier-transform infrared (FTIR) and Atomic Force Microscopy (AFM). We found that the TMB/CTAB mol ratio must be controlled well for producing large pore materials.","PeriodicalId":316559,"journal":{"name":"International Conference on Thin Film Physics and Applications","volume":"7995 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130286338","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High precision deposition of single and multilayer x-ray optics and their application in x-ray analysis 单层和多层x射线光学元件的高精度沉积及其在x射线分析中的应用
International Conference on Thin Film Physics and Applications Pub Date : 2010-10-11 DOI: 10.1117/12.888192
R. Dietsch, T. Holz, M. Krämer, D. Weissbach
{"title":"High precision deposition of single and multilayer x-ray optics and their application in x-ray analysis","authors":"R. Dietsch, T. Holz, M. Krämer, D. Weissbach","doi":"10.1117/12.888192","DOIUrl":"https://doi.org/10.1117/12.888192","url":null,"abstract":"The field of single and multilayer based optics has seen significant improvements and new applications in recent years. In this paper, we give an overview of the numerous types of single and multilayer optics that have been developed. The fabrication possibilities of well-known regular periodic multilayers have been driven close to the theoretical limit, providing high resolution or high flux optics for a wide range of photon energies. In addition to that, multilayers with a lateral gradient have been developed to be adapted to curved substrates (for example for focusing purposes) or varying incidence angles on long, flat substrates. Depth-graded multilayers with arbitrarily selectable layer thicknesses over the entire layer stack have been simulated and manufactured, mainly as broadband mirrors with immense bandwidths. Finally, new applications of high precision deposition are reference sample for XRF (having several elements in low concentrations of few ng/mm2) and TXRF (with mass deposition in the range of 1011 atoms/cm2) pay tribute to the low detection limits achievable in modern instruments for these techniques.","PeriodicalId":316559,"journal":{"name":"International Conference on Thin Film Physics and Applications","volume":"7995 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131036377","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Contact resistance in organic transistors with different structures 不同结构有机晶体管的接触电阻
International Conference on Thin Film Physics and Applications Pub Date : 2010-10-11 DOI: 10.1117/12.888227
Jiaxing Hu, L. Niu, Rong-hui Guo, B. Liu
{"title":"Contact resistance in organic transistors with different structures","authors":"Jiaxing Hu, L. Niu, Rong-hui Guo, B. Liu","doi":"10.1117/12.888227","DOIUrl":"https://doi.org/10.1117/12.888227","url":null,"abstract":"It is an important way to improve carrier mobility by reducing the contact resistance in organic transistors. In this paper, two kinds of transistors were fabricated with copper phthalocyanine semiconductor. Then by experimental methods, we tested the devices with different structure and different channel length, and analyzed the effect of structure on contact resistance as well as output characteristic. The results demonstrate that gate voltage can effectively reduce the contact resistance in the top contact device.","PeriodicalId":316559,"journal":{"name":"International Conference on Thin Film Physics and Applications","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134569329","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of different supermirrors on the performance of a hard x-ray telescope 不同超镜对硬x射线望远镜性能的影响
International Conference on Thin Film Physics and Applications Pub Date : 2010-10-11 DOI: 10.1117/12.887369
Fangfang Wang, Jingtao Zhu, M. Tan, Li Jiang, Fengli Wang, B. Mu, Zhanshan Wang
{"title":"Effect of different supermirrors on the performance of a hard x-ray telescope","authors":"Fangfang Wang, Jingtao Zhu, M. Tan, Li Jiang, Fengli Wang, B. Mu, Zhanshan Wang","doi":"10.1117/12.887369","DOIUrl":"https://doi.org/10.1117/12.887369","url":null,"abstract":"We are developing a hard X-ray telescope utilizing multilayer supermirrors. This telescope is conical approximation of the Wolter-I configuration with tightly nested shells. Because of the fact that different nested shell corresponds to different grazing incident angle, so the optimum multilayer design depends on the grazing angle, and one would therefore, ideally design a different coating for each of the nested mirror shells. However, as a matter of practicality, we have to reduce the number of different designs for a reasonable compromise between the complexity of the calculation and optimal performance. In this paper, we investigate the effect of different angular classification on the effective area of the hard X-ray telescope. Many groups of hard X-ray supermirrors are optimized with different grazing incident angles using a numerical and analysis method. These supermirrors are divided into different number of groups, e.g. two, four, six, eight, ten, twelve, fourteen, and sixteen, respectively, and the corresponding effective areas are calculated. Results show that six groups of X-ray supermirrors are suitable for a reasonable compromise between optimal performance and the complexity of the calculation and fabrication.","PeriodicalId":316559,"journal":{"name":"International Conference on Thin Film Physics and Applications","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124063191","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A high spatial resolution CsI:Tl scintillation film based on net-like substrate 基于网状衬底的高空间分辨率CsI:Tl闪烁膜
International Conference on Thin Film Physics and Applications Pub Date : 2010-10-11 DOI: 10.1117/12.888355
Wei Zhang, M. Gu, Dalin Yao, Xiaolin Liu, Shi-ming Huang, Bo Liu, Chen Ni
{"title":"A high spatial resolution CsI:Tl scintillation film based on net-like substrate","authors":"Wei Zhang, M. Gu, Dalin Yao, Xiaolin Liu, Shi-ming Huang, Bo Liu, Chen Ni","doi":"10.1117/12.888355","DOIUrl":"https://doi.org/10.1117/12.888355","url":null,"abstract":"CsI:Tl scintillation films were prepared on the net-like patterning substrates. The pattern of the substrates as well as the morphology of the CsI:Tl films were measured by SEM. The results show that the size of each grid on substrate is 55μm which is formed by SU-8 photoresist with 5μm in both height and width, and the CsI:Tl films display quite a good columnar structure. The spatial resolutions of X-ray imaging were taken by MTF measurement. The spatial frequency of the CsI:Tl films on patterned substrates can reach up to 10 lp/mm at the 10% level of MTF, which is twice higher than that of the CsI:Tl film on the substrate without patterning.","PeriodicalId":316559,"journal":{"name":"International Conference on Thin Film Physics and Applications","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131663985","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
The annealing effects on the ZnO/diamond film heterojunction diode 退火对ZnO/金刚石薄膜异质结二极管的影响
International Conference on Thin Film Physics and Applications Pub Date : 2010-10-11 DOI: 10.1117/12.888200
Jian Huang, Linjun Wang, K. Tang, Jijun Zhang, Wei-min Shi, Yiben Xia, Xionggang Lu
{"title":"The annealing effects on the ZnO/diamond film heterojunction diode","authors":"Jian Huang, Linjun Wang, K. Tang, Jijun Zhang, Wei-min Shi, Yiben Xia, Xionggang Lu","doi":"10.1117/12.888200","DOIUrl":"https://doi.org/10.1117/12.888200","url":null,"abstract":"ZnO/diamond film heterojunction diodes were fabricated by depositing n-type ZnO films on p-type freestanding diamond (FSD) films using radio-frequency (RF) magnetron sputtering method. The effects of the annealing process on the properties of ZnO films were studied. The influence of the annealing process on the current-voltage (I-V) characteristics of the electrodes on ZnO and diamond films and the property of heterojunction diode was also examined. The results showed that the annealing treatment was helpful to improve the crystalline quality of the films and the performance of the diode.","PeriodicalId":316559,"journal":{"name":"International Conference on Thin Film Physics and Applications","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124460685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optical spectroscopy of organic semiconductor monolayers 有机半导体单层的光谱学
International Conference on Thin Film Physics and Applications Pub Date : 2010-10-11 DOI: 10.1117/12.888197
R. He, N. G. Tassi, G. Blanchet, A. Pinczuk
{"title":"Optical spectroscopy of organic semiconductor monolayers","authors":"R. He, N. G. Tassi, G. Blanchet, A. Pinczuk","doi":"10.1117/12.888197","DOIUrl":"https://doi.org/10.1117/12.888197","url":null,"abstract":"Growing interest in organic molecular semiconductors is stimulated by their promising applications in flexible devices. Pentacene is a benchmark organic semiconductor material because of its potential applications in high mobility thin film transistors and optoelectronic devices. Highly uniform monolayers of pentacene grown on polymeric substrate of poly alpha-methylstyrene exhibit sharp and intense free exciton (FE) luminescence at low temperatures. The FE emission displays characteristic intensity that grows quadratically with the number of layers. Large enhancements of Raman scattering intensities at the FE resonance enable the first observations of low-lying lattice vibrational modes in films reaching the single monolayer level. The low-lying modes exhibit characteristic changes when going from a single monolayer to two layers, revealing that a phase akin to a thin film phase of pentacene already emerges in structures of only two monolayers. A simple analysis of mode splittings offers estimates of the strength of inter-layer interactions. The results demonstrate novel venues for ultra-thin film characterization and studies of interface effects in organic molecular semiconductor structures.","PeriodicalId":316559,"journal":{"name":"International Conference on Thin Film Physics and Applications","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125372462","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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