氢化纳米薄片组装的TiO_2花状结构增强的光催化降解甲基橙染料的性能
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- 英文论文题名：The enhanced photocatalytic degradation on MO dye of hydrogenated TiO_2 flower-like structure assembled by untrathin nanosheets
- 论文作者：刘俊芳 ; 袁煜昆 ; 王叶 ; 王淼 ; 杨合情
- 英文论文作者：Junfang Liu ; Yukun Yuan ; Ye Wang ; Miao Wang ; Heqing Yang ; School of Materials Science and Engineering ; Shaanxi Normal University
- 年：2016
- 作者机构：陕西师范大学材料科学与工程学院;
- 论文关键词：花状 ; 氢化 ; 光催化
- 会议召开时间：2016-07-01
- 会议录名称：中国化学会第30届学术年会摘要集-第二十七分会：光化学
- 语种：中文
- 分类号：TQ134.11;O643.3
- 学会代码：ZGHY
- 会议名称：中国化学会第30届学术年会-第二十七分会 ; 光化学
- 会议地点：中国辽宁大连
- 主办单位：中国化学会
- 学会名称：中国化学会
- 页数：1
- 文件大小：288k
- 原文格式：D
- 会议级别：全国
摘要
TiO_2是一种禁带宽度为3.2 eV的宽禁带半导体,有3种晶体结构:锐钛矿相、金红石相、板钛矿相。由于其独特的光学和电学性质,在气敏传感器、光催化降解有机物、光敏染料太阳能电池和防污自清洁材料等领域具有潜在的应用价值。本文在溶剂热体系中,110 oC反应48 h制备出超薄纳米片组装的TiO_2纳米花状结构,并对其进行氢化处理。研究发现随着氢化处理时间的增长,光催化降解MO染料的效率随之提高。
TiO_2 has anatase, rutile and brookitea crystal structures, with a wide band gap of 3.2e V. Due to its unique optical and electrical properties, TiO_2 has great potential applications in gas sensors, photocatalytic degradation of organic matters, the photosensitive dye solar cell self-cleaning and anti-fouling materials. In this paper, TiO_2 flower-like structure assembled with ultrathin nanosheets has been synthesized in a thermal solvent system at 110 oC for 48 h, and annealed at hydrogen atmosphere for different time. It is found that photocatalytic performance of hydrogenated TiO_2 on the degradation of MO solution has been improved along with the increase of hydrogenation time.
TiO_2 has anatase, rutile and brookitea crystal structures, with a wide band gap of 3.2e V. Due to its unique optical and electrical properties, TiO_2 has great potential applications in gas sensors, photocatalytic degradation of organic matters, the photosensitive dye solar cell self-cleaning and anti-fouling materials. In this paper, TiO_2 flower-like structure assembled with ultrathin nanosheets has been synthesized in a thermal solvent system at 110 oC for 48 h, and annealed at hydrogen atmosphere for different time. It is found that photocatalytic performance of hydrogenated TiO_2 on the degradation of MO solution has been improved along with the increase of hydrogenation time.
引文
[1]Chen,X.;Liu,L.;etc.Science.2011,331,746.
[2]Zheng,Q.;Zhou,B.;etc.Adv.Mater.2008,20,1044-1049.
[2]Zheng,Q.;Zhou,B.;etc.Adv.Mater.2008,20,1044-1049.