Aerodynamic levitated laser annealing method to defective titanium dioxide with enhanced photocatalytic performance
Wei, Hehe1; Ma, Xiaoguang2; Gu, Liu3; Li, Jianqiang2; Si, Wenjie1; Ou, Gang1,4,5; Yu, Wen1; Zhao, Chunsong1; Li, Jiaying1,2; Song, Mingjun1; Peng, Zhijian3; Wu, Hui1
2016-12-01
发表期刊NANO RESEARCH
ISSN1998-0124
卷号9期号:12页码:3839-3847
摘要

Defective TiO2 has attracted increasing attention for use in photocatalytic and electrochemical materials because of its narrowed band-gap and improved visible-light photocatalytic activity. However, a facile and efficient approach for obtaining defect-rich TiO2 still remains a challenge. Herein, we demonstrate such an approach to narrow its bandgap and improve visible-light absorption through implanting abundant defects by aerodynamic levitated laser annealing (ALLA) treatment. Note that the ALLA method not only provides rapid annealing, solidifying and cooling process, but also exhibits high efficiency for homogeneous and defective TiO2 nanoparticles. The laser-annealed TiO2 achieves a high hydrogen evolution rate of 8.54 mmol center dot h(-1)center dot g(-1), excellent decomposition properties within 60 min, and outstanding recyclability and stability, all of which are superior to the corresponding properties of commercial P25.

关键词Hydrogen Evolution Tio2 Photocatalyst Laser Annealing
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1007/s12274-016-1253-0
收录类别SCI
语种英语
关键词[WOS]TIO2 THIN-FILMS ; SEMICONDUCTOR PHOTOCATALYSIS ; HYDROGEN-PRODUCTION ; NANOPARTICLES ; WATER ; PHOTOREDUCTION ; NANOMATERIALS ; ABSORPTION ; NANOWIRES
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS类目Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
项目资助者National Natural Science Foundation of China(51471158 ; Beijing Natural Science Foundation(2152032 ; 51674232 ; 2112039) ; 51274182)
WOS记录号WOS:000388114400022
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21659
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Tsinghua Univ, Sch Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
3.China Univ Geosci, Sch Engn & Technol, Beijing 100083, Peoples R China
4.Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R China
5.Tsinghua Univ, Collaborat Innovat Ctr Nanomat Sci & Engn, Beijing 100084, Peoples R China
推荐引用方式
GB/T 7714
Wei, Hehe,Ma, Xiaoguang,Gu, Liu,et al. Aerodynamic levitated laser annealing method to defective titanium dioxide with enhanced photocatalytic performance[J]. NANO RESEARCH,2016,9(12):3839-3847.
APA Wei, Hehe.,Ma, Xiaoguang.,Gu, Liu.,Li, Jianqiang.,Si, Wenjie.,...&Wu, Hui.(2016).Aerodynamic levitated laser annealing method to defective titanium dioxide with enhanced photocatalytic performance.NANO RESEARCH,9(12),3839-3847.
MLA Wei, Hehe,et al."Aerodynamic levitated laser annealing method to defective titanium dioxide with enhanced photocatalytic performance".NANO RESEARCH 9.12(2016):3839-3847.
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