Synthesis of Anatase TiO2 Nanocrystals with Defined Morphologies from Exfoliated Nanoribbons: Photocatalytic Performance and Application in Dye-sensitized Solar Cell

被引：19

作者：

Du, Yi-en ^{[1
,3
,4
]}

Niu, Xianjun ^{[1
]}

Bai, Yang ^{[1
]}

Qi, Hongxue ^{[1
]}

Guo, Yanqing ^{[1
]}

Chen, Yongqiang ^{[1
]}

Wang, Pengfei ^{[2
]}

Yang, Xiaojing ^{[3
]}

Feng, Qi ^{[4
]}

机构：

[1] Jinzhong Univ, Sch Chem & Chem Engn, Jinzhong 030619, Shanxi, Peoples R China

[2] Chinese Acad Sci, State Key Lab Coal Convers, Inst Coal Chem, Taiyuan 030001, Shanxi, Peoples R China

[3] Beijing Normal Univ, Beijing Key Lab Energy Convers & Storage Mat, Coll Chem, Beijing 100875, Peoples R China

[4] Kagawa Univ, Dept Adv Mat Sci, Fac Engn, 2217-20 Hayashi Cho, Takamatsu, Kagawa 7610396, Japan

来源：

CHEMISTRYSELECT | 2019年 / 4卷 / 15期

基金：

美国国家科学基金会; 日本学术振兴会;

关键词：

Anatase TiO2 nanocrystals; {010} facets; 111]-facets; Photocatalytic activity; Photovoltaic performance; EXPOSED; 001; FACETS; SINGLE NANOCRYSTALS; LAYERED TITANATE; ADSORPTION; NANOSHEETS; NANOPARTICLES; MICROSPHERES; CRYSTAL; TRANSFORMATION; IRRADIATION;

D O I：

10.1002/slct.201900257

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Rutile/anatase TiO2 nanocrystals with various morphologies and exposed crystal facets, have been successfully synthesized by a facile hydrothermal strategy in the absence of fluorine and organic capping surfactants. The samples were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), and high-resolution transmission electron microscopy (HRTEM). Furthermore, the transformation mechanism, photocatalytic performances, adsorption properties, and photovoltaic performances of the anatase TiO2 nanocrystals with different morphologies and crystal facets were also investigated systematically and discussed, and compared to the Degussa P25 TiO2 nanocrystals. The results indicated that the anatase TiO2 nanospindles (pH 7.0-T180) with dominantly exposed {010} facets exhibited the highest photocatalytic activity, adsorption property, and photovoltaic performance.

引用

页码：4443 / 4457

页数：15

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