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Microstructure development of hydrothermally grown TiO22thin films with vertically aligned nanorods
【文件类型】 【消费金额】0.3 【文章页数】1 【会员操作】  
【文章作者】Shim Jong Hyun;Bae In‐Tae;Cho Junghyun
【文章摘要】      Abstract

TiO2(rutile) thin films were deposited via a hydrothermal process by adjusting the amount of ethanol, deposition time, and temperature. Especially, various amounts of ethanol generated different degrees of supersaturation in precursor solution. It allowed us to systematically change the width, lengths, and crystallinity of a vertically aligned 1‐D nanorod structure of TiO2films. The oriented attachment, confirmed by scanning electron microscopy and transmission electron microscopy, was shown to be responsible for their lateral growth of TiO2nanorods bundled by numerous well‐oriented nanowires and their vertical growth. TiO2nanorod thin films were also characterized via X‐ray diffraction and UV‐Vis‐NIR spectrophotometer to find a correlation between the process conditions and nanostructural evolution. Dye sensitized solar cells were assembled to relate the nanostructures of TiO2films with the effectiveness of its role as a photoelectrode.

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【卷】101【ISSUE】1【ISSUEID】815B0005    【文章期份】2018    【发布日期】2018/8/28 16:25:08    点击率:0    打印    关闭
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