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

机译:基于透明的ZnO-纳米线用于紫外线光检测和C-Si太阳能电池乙醇气体感应的装置

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摘要

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 x 10(-6) to 1.2 x 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 degrees 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.
机译:在该研究中,制造并沉积在氧化铟锡/结晶硅(C-Si)太阳能电池上并沉积在乙醇气体传感和紫外(UV)检测中进行透明ZnO纳米线(NW)的装置。 对于UV检测,当施加UV激发时,光电流随着约137秒的时间常数而迅速增加。 当UV光关闭时,光电流从3×10(-6)到1.2×10(-7)a降低。 对于乙醇气体感测,使用紫外光来增加O-2种的量。 当乙醇气体浓度在53℃(由C-Si太阳能电池产生的热量产生)时,ZnO传感器响应从8%增加到21%。 传感器响应大约零,没有太阳能照明。 传感器几乎没有对太阳能电池的传递效率的影响。

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  • 来源
    《RSC Advances》 |2016年第14期|共5页
  • 作者单位

    Natl Cheng Kung Univ Adv Optoelect Technol Ctr Ctr Micro Nano Sci &

    Technol Inst Microelect Dept Elect Engn Tainan 701 Taiwan;

    Natl Cheng Kung Univ Adv Optoelect Technol Ctr Ctr Micro Nano Sci &

    Technol Inst Microelect Dept Elect Engn Tainan 701 Taiwan;

    Natl Cheng Kung Univ Adv Optoelect Technol Ctr Ctr Micro Nano Sci &

    Technol Inst Microelect Dept Elect Engn Tainan 701 Taiwan;

    Natl Nano Device Labs Tainan 741 Taiwan;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

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