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Single-Crystalline CdS Nanobelts for Excellent Field-Emitters and Ultrahigh Quantum-Efficiency Photodetectors
Journal article   Peer reviewed

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

Liang Li, Peicai Wu, Xiaosheng Fang, Tianyou Zhai, Lun Dai, Meiyong Liao, Yasuo Koide, Hongqiang Wang, Yoshio Bando and Dmitri Golberg
Advanced materials (Weinheim), Vol.22(29), pp.3161-3165
03/08/2010
DOI: https://doi.org/10.1002/adma.201000144
PMID: 20533417

Abstract

Chemistry Chemistry, Multidisciplinary Chemistry, Physical Materials Science Materials Science, Multidisciplinary Nanoscience & Nanotechnology Physical Sciences Physics Physics, Applied Physics, Condensed Matter Science & Technology Science & Technology - Other Topics Technology
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.

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