Microcavity‐Enhanced Polarization Photodetection in Antimony Selenide Nanotube‐Based Near‐Infrared Photodetectors-Reference-Cited by-同舟云学术

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

Published:2024-07-12 Issue: Volume: Page:
ISSN:2688-4046
Container-title:Small Science
language:en
Short-container-title:Small Science

Author:

Zhang Songqing¹^ORCID,As’Ham Khalil²,Wang Han¹^ORCID,Pan Wenwu¹,Al‐Ani Ibrahim²,Luo Huijia¹,Liu Junliang¹³,Ren Yongling¹,Hattori Haroldo Takashi²,Miroshnichenko Andrey E.²,Faraone Lorenzo¹,Lei Wen¹^ORCID

Affiliation:

1. Department of Electrical, Electronic and Computer Engineering The University of Western Australia 35 Stirling Highway Crawley 6009 Australia

2. School of Engineering and Technology University of New South Wales at Canberra Northcott Drive Campbell ACT 2600 Australia

3. Department of Electronic Engineering School of IOT Engineering Jiangnan University Wuxi 214122 China

Abstract

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.

Funder

Australian Research Council

University of Western Australia

Publisher

Wiley

Link

https://onlinelibrary.wiley.com/doi/pdf/10.1002/smsc.202400216

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