Single-crystalline CdS nanobelts for excellent field-emitters and ultrahigh quantum-efficiency photodetectors

Liang Li; Pei Cai Wu; Xiao Sheng Fang; Tian You Zhai; Lun Dai; Mei Yong Liao; Yasuo Koide; Hong Qiang Wang; Yoshio Bando; Dmitri Colberg

doi:10.1002/adma.201000144

Single-crystalline CdS nanobelts for excellent field-emitters and ultrahigh quantum-efficiency photodetectors

Liang Li, Pei Cai Wu, Xiao Sheng Fang, Tian You Zhai, Lun Dai, Mei Yong Liao, Yasuo Koide, Hong Qiang Wang, Yoshio Bando, Dmitri Colberg

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摘要

The single crystalline CdS nanobelts were synthesized by an improved vapor-liquid-solid (VLS) process. Field emission measurements show that the nanostructures have a low turn-on field of 3.7 V&m^-1 at a current density of 10 μA cm^-1, a low threshold field of 9.3 V μm cm^-1 and a high enhancement factor of 1298. When assembled into nanoscale visible light photodetectors, the CdS nanobelts showed good sensitivity and wavelength selectivity. The results imply that the present CdS nanobelts are excellent candidates for applications in high-performance field emitters and photodetectors.

源语言	英语
页（从-至）	3161-3165
页数	5
期刊	Advanced Materials
卷	22
期	29
DOI	https://doi.org/10.1002/adma.201000144
出版状态	已出版 - 3 8月 2010
已对外发布	是

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abstract = "The single crystalline CdS nanobelts were synthesized by an improved vapor-liquid-solid (VLS) process. Field emission measurements show that the nanostructures have a low turn-on field of 3.7 V&m-1 at a current density of 10 μA cm-1, a low threshold field of 9.3 V μm cm-1 and a high enhancement factor of 1298. When assembled into nanoscale visible light photodetectors, the CdS nanobelts showed good sensitivity and wavelength selectivity. The results imply that the present CdS nanobelts are excellent candidates for applications in high-performance field emitters and photodetectors.",

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T1 - Single-crystalline CdS nanobelts for excellent field-emitters and ultrahigh quantum-efficiency photodetectors

AU - Li, Liang

AU - Wu, Pei Cai

AU - Fang, Xiao Sheng

AU - Zhai, Tian You

AU - Dai, Lun

AU - Liao, Mei Yong

AU - Koide, Yasuo

AU - Wang, Hong Qiang

AU - Bando, Yoshio

AU - Colberg, Dmitri

PY - 2010/8/3

Y1 - 2010/8/3

N2 - The single crystalline CdS nanobelts were synthesized by an improved vapor-liquid-solid (VLS) process. Field emission measurements show that the nanostructures have a low turn-on field of 3.7 V&m-1 at a current density of 10 μA cm-1, a low threshold field of 9.3 V μm cm-1 and a high enhancement factor of 1298. When assembled into nanoscale visible light photodetectors, the CdS nanobelts showed good sensitivity and wavelength selectivity. The results imply that the present CdS nanobelts are excellent candidates for applications in high-performance field emitters and photodetectors.

AB - The single crystalline CdS nanobelts were synthesized by an improved vapor-liquid-solid (VLS) process. Field emission measurements show that the nanostructures have a low turn-on field of 3.7 V&m-1 at a current density of 10 μA cm-1, a low threshold field of 9.3 V μm cm-1 and a high enhancement factor of 1298. When assembled into nanoscale visible light photodetectors, the CdS nanobelts showed good sensitivity and wavelength selectivity. The results imply that the present CdS nanobelts are excellent candidates for applications in high-performance field emitters and photodetectors.

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Single-crystalline CdS nanobelts for excellent field-emitters and ultrahigh quantum-efficiency photodetectors

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