Dynamic and static photo-responses of n-ZnO/p-Si photodiodes

Y. S. Choi, J. Y. Lee, Seongil Im, S. J. Lee

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

We report on the photo-response behavior of n-ZnO/p-Si photodiodes. Semiconducting n-ZnO films have been deposited on p-Si substrate by RF sputtering at 300, 480 and 550°C. An optimum static photo-response was achieved from the photodiode prepared at 480°C as characterized by photocurrent measurements using a continuous monochromatic red illumination. Temporal photo-response of 35 ns was obtained from the same n-ZnO/p-Si diode to which a high frequency modulation of 1.5 MHz was applied for the dynamic response measurements. It is concluded that the n-ZnO/p-Si photodiode has good detecting capabilities in both of the dynamic and static photo-responses.

Original languageEnglish
Pages (from-to)1560-1562
Number of pages3
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume42
Issue number4 A
Publication statusPublished - 2003 Apr 1

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Photodiodes
photodiodes
Frequency modulation
Photocurrents
Dynamic response
Sputtering
Diodes
Lighting
dynamic response
frequency modulation
photocurrents
sputtering
illumination
diodes
Substrates

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

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abstract = "We report on the photo-response behavior of n-ZnO/p-Si photodiodes. Semiconducting n-ZnO films have been deposited on p-Si substrate by RF sputtering at 300, 480 and 550°C. An optimum static photo-response was achieved from the photodiode prepared at 480°C as characterized by photocurrent measurements using a continuous monochromatic red illumination. Temporal photo-response of 35 ns was obtained from the same n-ZnO/p-Si diode to which a high frequency modulation of 1.5 MHz was applied for the dynamic response measurements. It is concluded that the n-ZnO/p-Si photodiode has good detecting capabilities in both of the dynamic and static photo-responses.",
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Dynamic and static photo-responses of n-ZnO/p-Si photodiodes. / Choi, Y. S.; Lee, J. Y.; Im, Seongil; Lee, S. J.

In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, Vol. 42, No. 4 A, 01.04.2003, p. 1560-1562.

Research output: Contribution to journalArticle

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