Photoluminescent and photovoltaic properties observed in a zinc borate Zn2(OH)BO3

被引：44
作者：
Yu, ZT [1 ]
Xu, JJ [1 ]
Jiang, YS [1 ]
Shi, Z [1 ]
Guo, Y [1 ]
Wang, DJ [1 ]
Chen, JS [1 ]
机构：
[1] Jilin Univ, Coll Chem, State Key Lab Inorgan Synth & Preparat Chem, Changchun 130023, Peoples R China
来源：
JOURNAL OF MATERIALS CHEMISTRY | 2003年 / 13卷 / 09期
关键词：
D O I：
10.1039/b305968e
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A chiral zinc borate Zn-2(OH)BO3, which exhibits nonlinear optical, photoluminescent and photoelectronic properties, has been successfully prepared through a hydrothermal reaction. The structure of the compound has a ZnO matrix and the electronic structure of the compound can be regarded as that for ZnO modified by the presence of B atoms. The luminescence properties of Zn-2(OH)BO3 were characterized by excitation and emission spectra. Photovoltage signals were observed for the as-synthesized compound and for samples calcined at various temperatures by surface photovoltage spectroscopy (SPS) and field-induced surface photovoltage spectroscopy (FISPS). The results show that Zn-2(OH)BO3 has photoelectric transformation ability. Either thermal treatment or application of an external electric field enhances the photovoltage responses of the compound to a considerable extent.
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页码：2227 / 2233
页数：7
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