Photogenerated-carrier separation along edge dislocation of WO3 single-crystal nanoflower photoanode
Bu, Yuyu1; Ren, Jun4; Zhang, Huawei5; Yang, Dongjiang3; Chen, Zhuoyuan2; Ao, Jin-Ping1
2018-05-14
发表期刊JOURNAL OF MATERIALS CHEMISTRY A
ISSN2050-7488
卷号6期号:18页码:8604-8611
通讯作者Yang, Dongjiang(d.yang@qdu.edu.cn) ; Chen, Zhuoyuan(zychen@qdio.ac.cn) ; Ao, Jin-Ping(jpao@xidian.edu.cn)
摘要Point defects, such as oxygen vacancies in semiconductors, have been widely proven to influence the separation and transfer processes of the photogenerated hot charges. Besides point defects, to date, scarcely any study has focused on expounding the functions of line defects (such as dislocations) in the crystal of semiconductor photoanodes and influencing the photogenerated hot charge separation process. Herein, a nanoflower (NF)-like WO3 single-crystal thin film photoanode with edge dislocations is reported. The dislocation induces mismatch of the (002) and (020) facets. Further photoelectrochemical (PEC) performance and DOS calculation results indicate that a heterojunction system could be formed along the edge dislocations due to the energy difference between the mismatched (002) and (020) facets. Therefore, this present study provides an understanding of the line defect in the photogenerated hot carrier separation process and a novel method to improve the properties of photoelectrodes and photocatalytic materials in the near future.
DOI10.1039/c8ta00796a
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[41506093] ; National Natural Science Foundation of China[41506093]
WOS研究方向Chemistry ; Energy & Fuels ; Materials Science
WOS类目Chemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary
WOS记录号WOS:000434624800052
出版者ROYAL SOC CHEMISTRY
引用统计
被引频次:52[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/159221
专题海洋环境腐蚀与生物污损重点实验室
通讯作者Yang, Dongjiang; Chen, Zhuoyuan; Ao, Jin-Ping
作者单位1.Xidian Univ, Sch Microelect, Key Lab Wide Band Gap Semicond Mat & Devices, Xian 710071, Shaanxi, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, 7 Nanhai Rd, Qingdao 266071, Peoples R China
3.Qingdao Univ, Collaborat Innovat Ctr Marine Biomass Fibers Mat, Sch Environm Sci & Engn, Qingdao 266071, Peoples R China
4.North Univ China, Sch Chem & Environm Engn, Taiyuan 030051, Shanxi, Peoples R China
5.Shandong Univ Sci & Technol, Coll Chem & Environm Engn, Qingdao 266590, Peoples R China
通讯作者单位中国科学院海洋研究所
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GB/T 7714
Bu, Yuyu,Ren, Jun,Zhang, Huawei,et al. Photogenerated-carrier separation along edge dislocation of WO3 single-crystal nanoflower photoanode[J]. JOURNAL OF MATERIALS CHEMISTRY A,2018,6(18):8604-8611.
APA Bu, Yuyu,Ren, Jun,Zhang, Huawei,Yang, Dongjiang,Chen, Zhuoyuan,&Ao, Jin-Ping.(2018).Photogenerated-carrier separation along edge dislocation of WO3 single-crystal nanoflower photoanode.JOURNAL OF MATERIALS CHEMISTRY A,6(18),8604-8611.
MLA Bu, Yuyu,et al."Photogenerated-carrier separation along edge dislocation of WO3 single-crystal nanoflower photoanode".JOURNAL OF MATERIALS CHEMISTRY A 6.18(2018):8604-8611.
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