材料科学
纳米结构
锐钛矿
金红石
光催化
透射率
降级(电信)
光降解
相(物质)
纳米颗粒
化学工程
可见光谱
航程(航空)
纳米技术
复合材料
光电子学
有机化学
化学
工程类
催化作用
电信
计算机科学
作者
Seung−Chul Lee,Chang-Woo Lee,Sunyong Caroline Lee,Jai-Sung Lee
标识
DOI:10.1016/j.matlet.2007.09.008
摘要
The effect of hollow nanostructure of TiO2 on the degradation of organic compounds and optical transmittance in the visible-light range was investigated. TiO2 hollow nanoparticles (HNP) consisting of a mixed phase of anatase and rutile in the ratio of 6:4, had a mean size of 70 nm and shell thickness of 5–7 nm. Spectrophotometry study showed that the transmittance of hollow particles was less than 30% in the wavelength range of 320–800 nm. Also, degradation experiment revealed hollow particles exhibited relatively poorer degradation compared to that of commercial P25 powder. These results indicate that movement of electron and light propagation can be affected by the hollow nanostructure.
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