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Heterogeneous semiconductor nanowire array for sensitive broadband photodetector by crack photolithography-based micro-/nanofluidic platforms

机译:用于敏感宽带光电探测器的异构半导体纳米线阵列通过裂缝光刻基微/纳米流体平台

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摘要

Thein situgrowth of nanowires (NWs) into nano-/microelectromechanical systems (NEMS/MEMS) by solution processing is attractive for its relative simplicity and economic value. We present innovative, versatile microfabrication that produces multiple, heterogeneous semiconductor NWs. A crack photolithography-based micro-/nanofluidic platform has been developed. This platform offers thein situsolution growth of NWs while enabling the control of quantity, dimensions, orientation, alignment, position, and material. The generation of grain boundary (GB)-rich CH(3)NH(3)PbI(3)NWs using the micro-/nanofluidic device is exemplary. High-quality single-crystal CH(3)NH(3)PbI(3)NWs were derived by injection of a CH(3)NH(3)PbI(3)solution. We produced a parallel NW array of CH3NH3PbI3NW for visible light detection and ZnO NW for ultraviolet detection, thereby demonstrating an unprecedented broadband composite photodetector. The micro-/nanofluidic fabrication platform enables the production of multiple, heterogeneous semiconductor NW arrays on one substrate, offering the potential to elicit synergistic performance and functional enhancements from various NWs.
机译:纳米线(NWS)的将纳米/微机电系统(NEMS / MEMS)的平地因其溶液加工而具有相对简单和经济价值的吸引力。我们提出了创新的通用微生物,可产生多个异构的半导体NWS。已经开发了一种裂缝的基于光刻的微/纳米流体平台。该平台提供NWS的SiteUsolution Grower,同时能够控制数量,尺寸,方向,对准,位置和材料。使用微/纳米流体装置的晶界(GB)-RICH CH(3)NH(3)NH(3)NH(3)NHS的产生是示例性的。通过注射CH(3)NH(3)PBI(3)溶液来源的高质量单晶CH(3)NH(3)NH(3)NWS。我们制造了一个平行NW阵列的CH3NH3PBI3NW,用于可见光检测和ZnO NW,用于紫外线检测,从而演示了前所未有的宽带复合光电探测器。微/纳米流体制造平台使得能够在一个基板上产生多个异构的半导体NW阵列,提供从各种NWS引出协同性能和功能增强的潜力。

著录项

  • 来源
    《RSC Advances》 |2020年第40期|共8页
  • 作者单位

    China Univ Geosci Fac Mat Sci &

    Chem Minist Educ Engn Res Ctr Nanogeomat Wuhan 430074 Peoples R China;

    Ulsan Natl Inst Sci &

    Technol UNIST Dept Mech Engn 50 UNIST Gil Ulsan 44919 South Korea;

    Ulsan Natl Inst Sci &

    Technol UNIST Dept Mech Engn 50 UNIST Gil Ulsan 44919 South Korea;

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