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Wiley, Advanced Materials, 29(22), p. 3161-3165, 2010

DOI: 10.1002/adma.201000144

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Single-Crystalline CdS Nanobelts for Excellent Field-Emitters and Ultrahigh Quantum-Efficiency Photodetectors

Journal article published in 2010 by Liang Li, Peicai Wu, Xiaosheng Fang, Tianyou Zhai ORCID, Lun Dai, Meiyong Liao, Yasuo Koide, Hongqiang Wang, Yoshio Bando ORCID, Dmitri Golberg
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Single-crystalline CdS nanobelts demonstrate excellent field-emission properties for the first time. Individual CdS nanobelts are assembled for high-performance visible-light photodetectors with an ultrafast response time of similar to 20 mu s and ultrahigh quantum efficiency of 1.9 x 10(7)%. The results suggest a high potential of utilizing these CdS nanobelts as optoelectronic nanodevices.