Zinc oxide nanoparticle photodetector

Sheng Po Chang; Kuan Jen Chen

doi:10.1155/2012/602398

Zinc oxide nanoparticle photodetector

Sheng Po Chang, Kuan Jen Chen

Research output: Contribution to journal › Article › peer-review

36 Citations (Scopus)

Abstract

A zinc oxide (ZnO) nanoparticle photodetector was fabricated using a simple method. Under a 5V applied bias, its dark current and photocurrent were 1.98 10 -8 and 9.42 10 -7 A, respectively. In other words, a photocurrent-to-dark- current contrast ratio of 48 was obtained. Under incident light at a wavelength of 375nm and a 5V applied bias, the detectors measured responsivity was 3.75A/W. The transient time constants measured during the turn-ON and turn-OFF states were ON =204s and OFF =486s, respectively.

Original language	English
Article number	602398
Journal	Journal of Nanomaterials
Volume	2012
DOIs	https://doi.org/10.1155/2012/602398
Publication status	Published - 2012

All Science Journal Classification (ASJC) codes

General Materials Science

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title = "Zinc oxide nanoparticle photodetector",

abstract = "A zinc oxide (ZnO) nanoparticle photodetector was fabricated using a simple method. Under a 5V applied bias, its dark current and photocurrent were 1.98 10 -8 and 9.42 10 -7 A, respectively. In other words, a photocurrent-to-dark- current contrast ratio of 48 was obtained. Under incident light at a wavelength of 375nm and a 5V applied bias, the detectors measured responsivity was 3.75A/W. The transient time constants measured during the turn-ON and turn-OFF states were ON =204s and OFF =486s, respectively.",

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AU - Chang, Sheng Po

AU - Chen, Kuan Jen

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AB - A zinc oxide (ZnO) nanoparticle photodetector was fabricated using a simple method. Under a 5V applied bias, its dark current and photocurrent were 1.98 10 -8 and 9.42 10 -7 A, respectively. In other words, a photocurrent-to-dark- current contrast ratio of 48 was obtained. Under incident light at a wavelength of 375nm and a 5V applied bias, the detectors measured responsivity was 3.75A/W. The transient time constants measured during the turn-ON and turn-OFF states were ON =204s and OFF =486s, respectively.

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Zinc oxide nanoparticle photodetector

Abstract

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