基于硒化锑纳米管的近红外光电探测器中的微腔增强偏振光电探测技术

IF 11.1 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Small Science Pub Date : 2024-07-12 DOI:10.1002/smsc.202400216

Songqing Zhang, Khalil As’Ham, Han Wang, Wenwu Pan, Ibrahim Al-Ani, Huijia Luo, Junliang Liu, Yongling Ren, Haroldo Takashi Hattori, Andrey E. Miroshnichenko, Lorenzo Faraone, Wen Lei

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引用次数: 0

摘要

本研究通过模拟和实验研究，介绍了基于 Sb2Se3 纳米管（NT）的近红外（NIR）光电探测器的偏振光电探测增强。高质量的单晶 Sb2Se3 纳米管是通过化学气相沉积法生长的，并采用多种技术对其进行了表征。光学模拟显示，在近红外区域，相同尺寸的 Sb2Se3 NT 和 NW 之间的光吸收比（特别是沿 NT/纳米线 (NW) 方向的吸收与垂直于 NT/NW 方向的吸收）存在显著差异。互补光电探测实验表明，所制造的 Sb2Se3 NT 光电探测器在近红外范围内具有更强的偏振光电探测能力，这表现在与类似尺寸的 NW 光电探测器相比（850 纳米处为 1.81），它的二向色比显著增加（850 纳米处为 3.03）。此外，Sb2Se3 NT 光电探测器还表现出卓越的性能，在 830 纳米光照下，其响应率高达 4.18 A W-1，比检测率为 8.94 × 1010 Jones。该研究全面了解了微腔共振效应及其在偏振光电探测增强中的作用，凸显了自组装 Sb2Se3 NT 在高性能近红外偏振光电探测及其他相关应用中的潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Microcavity-Enhanced Polarization Photodetection in Antimony Selenide Nanotube-Based Near-Infrared Photodetectors

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Microcavity-Enhanced Polarization Photodetection in Antimony Selenide Nanotube-Based Near-Infrared Photodetectors

This study presents the polarization photodetection enhancement in Sb₂Se₃ nanotube (NT)-based near-infrared (NIR) photodetectors through simulation-based and experimental investigations. High-quality single-crystal Sb₂Se₃ NTs are grown via chemical vapor deposition and characterized by using multiple techniques. The optical simulation reveals a remarkable difference in the light absorption ratio (specifically, absorption along the NT/nanowire (NW) against absorption perpendicular to the NT/NW) between Sb₂Se₃ NT and NW of the same size in the NIR region. The complementary photodetection experiments present that the fabricated Sb₂Se₃ NT photodetector demonstrates enhanced polarization photodetection in the NIR range, as indicated by a significantly increased dichroic ratio (3.03 at 850 nm) compared to that of similar-sized NW counterpart (1.81 at 850 nm). Additionally, the Sb₂Se₃ NT photodetector exhibits exceptional performance, with a high responsivity of 4.18 A W⁻¹ and specific detectivity of 8.94 × 10¹⁰ Jones under 830 nm light illumination. This study provides a comprehensive understanding of the microcavity resonance effect and its role in polarization photodetection enhancement, highlighting the potential of self-assembled Sb₂Se₃ NTs in high-performance near-infrared polarized photodetection and other relevant applications.

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来源期刊

Small Science

CiteScore

14.00

自引率

2.40%

发文量

期刊介绍： Small Science is a premium multidisciplinary open access journal dedicated to publishing impactful research from all areas of nanoscience and nanotechnology. It features interdisciplinary original research and focused review articles on relevant topics. The journal covers design, characterization, mechanism, technology, and application of micro-/nanoscale structures and systems in various fields including physics, chemistry, materials science, engineering, environmental science, life science, biology, and medicine. It welcomes innovative interdisciplinary research and its readership includes professionals from academia and industry in fields such as chemistry, physics, materials science, biology, engineering, and environmental and analytical science. Small Science is indexed and abstracted in CAS, DOAJ, Clarivate Analytics, ProQuest Central, Publicly Available Content Database, Science Database, SCOPUS, and Web of Science.