Formation of Built-in Field of ZnO Nanoparticles and Effect on Its Optoelectronic Properties

Chem. J. Chinese Universities ›› 2005, Vol. 26 ›› Issue (5): 942.

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Formation of Built-in Field of ZnO Nanoparticles and Effect on Its Optoelectronic Properties

LIN Yan-Hong, WANG De-Jun, ZHAO Qi-Dong, LI Zi-Heng, WEI Xiao

College of Chemistry, Jilin University, Changchun 130023, China

Received:2004-12-14 Online:2005-05-10 Published:2005-05-10

Abstract

Abstract: The effect of built-in field on the surface photovoltage(SPV) response of ZnO nanoparticles was investigated by means of surface photovoltage spectroscopy(SPS). From the results of in situ SPS in atmosphere and in vacuum, we suggest that the built-in field should be a main condition for producing SPV response. By comparison of SPS with PL in vacuum as well as in atmosphere, we deduce that by changing the ambience of ZnO, its functional properties can be modulated.

Key words: ZnO nanoparticles, Surface photovoltage spectroscopy(SPS), Photoluminescence(PL), Built-in field

CLC Number:

O643

TrendMD:

LIN Yan-Hong, WANG De-Jun, ZHAO Qi-Dong, LI Zi-Heng, WEI Xiao . Formation of Built-in Field of ZnO Nanoparticles and Effect on Its Optoelectronic Properties[J]. Chem. J. Chinese Universities, 2005, 26(5): 942.

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Formation of Built-in Field of ZnO Nanoparticles and Effect on Its Optoelectronic Properties

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