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May 1, 2026ACS Applied Materials & Interfaces1 citations

High-Performance Linear Polarization-Sensitive WSe 2 /SnS 0.25 Se 0.75 Heterojunction Photodetectors: Synergy of Type-II Band Alignment and Gate-Modulated Anisotropic Transport

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DTDan TangSouth China Normal UniversityJGJiahao GaoSouth China Normal UniversityPLPeng LiuSouth China Normal University

Key Points

  • The aim is to explore the physical mechanisms and improve the performance of linear polarization-sensitive photodetectors using WSe2 and SnS0.25Se0.75 heterojunctions.
  • Investigated the rise/decay times of photodetectors at 2.86/2.24 ms.
  • Analyzed photocurrent anisotropic ratio at 7.8.
  • Utilized type-II band alignment for device design.
  • Achieved rise time of 2.86 ms and decay time of 2.24 ms.
  • Photocurrent anisotropic ratio reached 7.8, indicating high sensitivity to polarization.
  • Found that type-II band alignment significantly enhances photodetection performance.

Abstract

Jones, a rise/decay times of 2.86/2.24 ms, and a photocurrent anisotropic ratio of 7.8. These findings reveal the physical mechanisms in 2D anisotropic heterostructures and provide design principles for high-performance linear polarization-sensitive photodetectors.

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Cite This Study

Tang et al. (2026) studied this question.

synapsesocial.com/papers/69f443e8967e944ac5566fe9https://doi.org/10.1021/acsami.6c01080
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