Scholarlink

<p>Ordered one dimensional perovskite single-crystal nanowire arrays, which combine high surface-to-volume ratios, directional charge transport, and mechanical flexibility, are typically prepared through solution or vapor phase techniques using templates of silicon, polydimethylsiloxane, photoresist, or aluminum oxide to control crystal growth. However, the size limits of these templates restrict the scalability of the arrays. Here, we introduce a dynamic template-assisted coating strategy that integrates blade coating to address this limitation. The method enables deposition of nanowire arrays on substrates with an area 12 times larger than the template. Incorporating a fluorinated passivating agent into the precursor suppresses surface defect formation and improves structural quality. Photodetectors based on MAPbBr<sub>3</sub> arrays achieve a detectivity of 3.9 × 10<sup>14</sup> Jones, a linear dynamic range of 160.3 dB, and a responsivity of 1660 A W<sup>-1</sup>, and retain 90.3% of their photocurrent after 300 h at 85% relative humidity without encapsulation.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Overcoming size limits with dynamic templates enabling large area single crystal nanowire arrays for photodetectors

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年11月10日

查看全文
  • Mingjie Feng,
  • Jiwon Byun,
  • Zongbao Li,
  • Zhiqiang Xie,
  • Wenbo Lu,
  • Xin Wen,
  • Liang Ding,
  • Tingting Wu,
  • Sumbal Jamshaid,
  • Klaus Götz,
  • Chaohui Li,
  • Zijian Peng,
  • Huiying Hu,
  • Jingjing Tian,
  • Jack Elia,
  • Tobias Unruh,
  • Marcus Halik,
  • Ding-Jiang Xue,
  • Andres Osvet,
  • Christoph J. Brabec

摘要

Ordered one dimensional perovskite single-crystal nanowire arrays, which combine high surface-to-volume ratios, directional charge transport, and mechanical flexibility, are typically prepared through solution or vapor phase techniques using templates of silicon, polydimethylsiloxane, photoresist, or aluminum oxide to control crystal growth. However, the size limits of these templates restrict the scalability of the arrays. Here, we introduce a dynamic template-assisted coating strategy that integrates blade coating to address this limitation. The method enables deposition of nanowire arrays on substrates with an area 12 times larger than the template. Incorporating a fluorinated passivating agent into the precursor suppresses surface defect formation and improves structural quality. Photodetectors based on MAPbBr3 arrays achieve a detectivity of 3.9 × 1014 Jones, a linear dynamic range of 160.3 dB, and a responsivity of 1660 A W-1, and retain 90.3% of their photocurrent after 300 h at 85% relative humidity without encapsulation.