Transparent ZnO-nanowire-based device for UV light detection and ethanol gas sensing on c-Si solar cell

Chih Hung Lin, Shoou-Jinn Chang, Wei Shou Chen, Ting Jen Hsueh

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

In this study, a transparent ZnO nanowire (NW)-based device for ethanol gas sensing and ultraviolet (UV) detection was fabricated and deposited onto an indium tin oxide/crystalline silicon (c-Si) solar cell. For UV detection, the photocurrent increased rapidly with a time constant of about 137 s when UV excitation was applied. The photocurrent decreased from 3 × 10 -6 to 1.2 × 10 -7 A when the UV light was switched off. For ethanol gas sensing, UV light was used to increase the quantity of O 2 - species. The ZnO sensor response increased from 8% to 21% when the ethanol gas concentration was increased from 50 to 150 ppm at 53 °C (heat generated by the c-Si solar cell). The sensor response approximately zero without solar illumination. The sensor had almost no effect on the transfer efficiency of the solar cell.

Original languageEnglish
Pages (from-to)11146-11150
Number of pages5
JournalRSC Advances
Volume6
Issue number14
DOIs
Publication statusPublished - 2016 Jan 1

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Silicon solar cells
Nanowires
Ethanol
Gases
Crystalline materials
Photocurrents
Sensors
Tin oxides
Indium
Solar cells
Lighting
Ultraviolet Rays

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Lin, Chih Hung ; Chang, Shoou-Jinn ; Chen, Wei Shou ; Hsueh, Ting Jen. / Transparent ZnO-nanowire-based device for UV light detection and ethanol gas sensing on c-Si solar cell. In: RSC Advances. 2016 ; Vol. 6, No. 14. pp. 11146-11150.
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Transparent ZnO-nanowire-based device for UV light detection and ethanol gas sensing on c-Si solar cell. / Lin, Chih Hung; Chang, Shoou-Jinn; Chen, Wei Shou; Hsueh, Ting Jen.

In: RSC Advances, Vol. 6, No. 14, 01.01.2016, p. 11146-11150.

Research output: Contribution to journalArticle

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