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Applied Physics Letters : The enhancement of ZnO nanowalls photoconductivity induced by CdS nanoparticle modification

By F. Fang, D. X. Zhao, B. H. Li, Z. Z. Zhang, J. Y. Zhang et al

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Book Id: WPLBN0002169243
Format Type: PDF eBook :
File Size: Serial Publication
Reproduction Date: 11 December 2008

Title: Applied Physics Letters : The enhancement of ZnO nanowalls photoconductivity induced by CdS nanoparticle modification  
Author: F. Fang, D. X. Zhao, B. H. Li, Z. Z. Zhang, J. Y. Zhang et al
Volume: Issue : December 2008
Language: English
Subject: Science, Physics, Natural Science
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Applied Physics Letters Collection
Historic
Publication Date:
Publisher: American Institute of Physics

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APA MLA Chicago

D. X. Zhao, B. H. Li, Z. Z. Zhang, J. Y. Zhang Et A, F. F. (n.d.). Applied Physics Letters : The enhancement of ZnO nanowalls photoconductivity induced by CdS nanoparticle modification. Retrieved from http://nationalpubliclibrary.info/


Description
Description: 10 nm sized hexagonal CdS nanoparticles were decorated on the surface of well-aligned ZnO nanowall through a facile hydrothermal approach. The effects of CdS-cap layer on the optical and photoelectrical properties of ZnO nanowalls have been studied. It was found the CdS acted not only as a passivation layer to suppress the detrimental surface states of ZnO nanowalls, which reduced the deep-level emissions, but also as an interfacial carrier transport layer to reduce the probability of carrier recombination. Due to this effect a significant enhancement in ultraviolet photoconductivity of ZnO nanowalls was observed by the surface modification with CdS nanoparticles.

 

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