期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 647, 期 -, 页码 57-62出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2015.05.086
关键词
ZnO; Hollow structure; Crystal growth; Photocatalysis; Dye-sensitized solar cells
资金
- National Science Foundation of China [21306040, U1304505]
- Basic and Frontier Research Programs of Henan Province [142300410420]
- Key Young Teachers Project of Henan Province
- Fundamental Research Funds for the Henan Provincial Colleges and Universities in Henan University of Technology [2014YWQQ17]
- State Key Laboratory of Chemical Resource Engineering [CRE-2014-C-301]
- Excellent Talents Project of Henan University of Technology Fund Project
- Science Foundation Of Henan University of Technology Fund Project
- Henan University of Technology Fund Project [2014CXRC06]
ZnO hollow microspheres (MSs) were prepared via directly thermal decomposing zinc acetate in diethylene glycol. An interesting Ostwald ripening process was observed based on the time-dependent experiments. The as-prepared hollow MSs demonstrated enhanced performances and circling stability in photo-degradation of organic azodye Rhodamine B (RhB). When used as photoanode materials for dye-sensitized solar cell (DSSC), higher power conversion efficiency (PCE) of 4.3% was achieved, which experiences great improvements compared with the devices deriving from ZnO MSs and yolk/shell MSs. Based on the structural and optical investigations, the improved performances results from the multiple scattering effects occurring in the chamber of the hollow MSs. (C) 2015 Elsevier B.V. All rights reserved.
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