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孑阿杰銀蟲 (初入文壇)
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[求助]
翻譯
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SnO2 thin films were deposited on glass substrates by using Successive Ionic Layer Adsorption and Reaction (SILAR) method at room temperature. The film thickness effect on characteristic parameters such as structural, morphological, optical and electrical properties of the films was studied. Also, the films were annealed in oxygen atmosphere (400 C, 30 min) and characteristic parameters of the films were investigated. The X-ray Diffraction (XRD) and Scanning Electron Microscopy (SEM) studies showed that all the films exhibited polycrystalline nature with tetragonal structure and were covered well on glass substrates. After the investigation of the crystalline and surface properties of the films, it was found that they were improving with increasing film thickness. Optical band gap decreased from 3.90 eV to 3.54 eV and electrical conductivity changed between 0.015e0.815 (U-cm)L1 as the film thickness increased from 215 to 490 nm. The refractive index (n), optical static and high frequency dielectric constants ( 3o, 3N) values were calculated by using the optical band gap values as a function of the film thickness. |
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18236135970
銀蟲 (小有名氣)
- 翻譯EPI: 6
- 應(yīng)助: 2 (幼兒園)
- 金幣: 686.2
- 散金: 1150
- 紅花: 2
- 帖子: 60
- 在線: 55.9小時
- 蟲號: 3431437
- 注冊: 2014-09-21
- 性別: GG
- 專業(yè): 化學(xué)工程及工業(yè)化學(xué)
【答案】應(yīng)助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ...
孑阿杰: 金幣+150, 翻譯EPI+1, ★★★★★最佳答案, 感謝 2015-03-11 22:46:52
孑阿杰: 金幣+150, 翻譯EPI+1, ★★★★★最佳答案, 感謝 2015-03-11 22:46:52
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連續(xù)離子層吸附反應(yīng)法(SILAR)制備SnO2薄膜及其特性研究 摘要： 室溫下，利用SILAR法將SnO2薄膜沉積在玻璃基板上，研究膜厚對特性參數(shù)如：結(jié)構(gòu)、形態(tài)、光學(xué)和電學(xué)性質(zhì)的影響。膜在氧氣氛圍（400°C,30min）中退火，同時研究膜的特性參數(shù)。X射線衍射和掃描電子顯微鏡（SEM）研究表明所有的膜呈現(xiàn)天然多晶四方體結(jié)構(gòu)，并且很好的覆蓋在玻璃基板上。研究了膜的晶體和表面性質(zhì)后發(fā)現(xiàn)它們隨膜厚度增加而提高。隨著膜厚度由215-490nm增加，光學(xué)帶隙從3.90ev提升到3.54ev,電導(dǎo)率在0.015-0.815（Ω.cm）-1間變化。通過使用光學(xué)帶隙值計算折光率和高頻介電常數(shù)（ε0，ε∞）值作為膜厚度的一個函數(shù)。 [ 發(fā)自手機(jī)版 http://www.gaoyang168.com/3g ] |
2樓2015-03-11 22:45:27
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