复合纳米粒子SnO2/CdS的制备及性能研究

doi:10.3866/PKU.WHXB19991012

Acta Phys. -Chim. Sin. ›› 1999, Vol. 15 ›› Issue (10): 925-929.doi: 10.3866/PKU.WHXB19991012

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Preparation and Properties of Nanosized Composite Particle SnO₂/CdS

Xu Bin, Cheng Hu-Min, Wang Yan-Qin, Ma Ji-Ming

Department of Chemistry,Peking University,Beijing 100871

Received:1998-12-23 Revised:1999-04-20 Published:1999-10-15
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Abstract

Abstract:

A new coated type of SnO 2/CdS nanosized composite particles was prepared by wet chemical method. The composition, structure and size of the product were determined by XRD, ICP, TEM and HRTEM. Compared with pure SnO 2 particle, it has stronger absorption in the range of longer wavelength (360～580nm) and shows good photo electrochemical character. The maximum value of IPCE was 40.9%, much greater than that of pure SnO2 electrode, 0.65%. The range photoelectric response has been broadened from 300～400nm to 300～550nm.

Key words: SnO₂-CdS, Composite nanoparticle, Photoelectric conversion

Xu Bin, Cheng Hu-Min, Wang Yan-Qin, Ma Ji-Ming. Preparation and Properties of Nanosized Composite Particle SnO₂/CdS[J]. Acta Phys. -Chim. Sin. 1999, 15(10), 925-929. doi: 10.3866/PKU.WHXB19991012

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Preparation and Properties of Nanosized Composite Particle SnO₂/CdS

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Preparation and Properties of Nanosized Composite Particle SnO₂/CdS