Polarization-sensitive photodetectors based on two-dimensional layered In4(P2Se6)3

X Xuanmao Xu (Synergetic Innovation Center for Quantum Effects and Application, Key Laboratory of Low-dimensional Quantum Structures and Quantum Control of Ministry of Education, Key Laboratory for Multifunctional Ionic Electronic Materials and Devices, College of Physics and Electronics, Hunan Normal University , Changsha 410081, Hunan,) W Weike Wang J Jianan Li C Canhui Pan (Synergetic Innovation Center for Quantum Effects and Application, Key Laboratory of Low-dimensional Quantum Structures and Quantum Control of Ministry of Education, Key Laboratory for Multifunctional Ionic Electronic Materials and Devices, College of Physics and Electronics, Hunan Normal University , Changsha 410081, Hunan,) K Kexin Chen X Xue Chen J Junhao Huang (Beijing Frontier Research Center for Biological Structures, State Key Laboratory of Membrane Biology, Tsinghua-Peking Joint Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing, China.) F Feng Hu (Department of Chemistry, Engineering Research Center of Advanced Rare Earth Materials (Ministry of Education)) R Ruyi Deng (Synergetic Innovation Center for Quantum Effects and Application, Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education, Key Laboratory for Multifunctional Ionic Electronic Materials and Devices, College of Physics and Electronics, Hunan Normal University , Changsha 410081, Hunan,) J Jifei Wang (Key Laboratory of Low‐Dimensional Quantum Structures and Quantum Control of Ministry of Education, Department of Physics Hunan Normal University Changsha 410081 P.R. China) S Shan Liang D Dongsheng Tang (Synergetic Innovation Center for Quantum Effects and Application, Key Laboratory of Low-dimensional Quantum Structures and Quantum Control of Ministry of Education, Key Laboratory for Multifunctional Ionic Electronic Materials and Devices, College of Physics and Electronics, Hunan Normal University , Changsha 410081, Hunan,)

Abstract

Two-dimensional (2D) materials are gaining significant interest for polarization-sensitive photodetection because of their anisotropic photoelectric properties. This study presents the preparation of high-quality single crystals of In4(P2Se6)3 and examines their optical properties and lattice vibrations. The intensity of the Raman modes changes periodically as the sample is rotated during the polarized Raman spectroscopy, revealing a clear anisotropic Raman response. Furthermore, the photodetector based on In4(P2Se6)3 thin flakes shows polarization-sensitive photoresponse, achieving a responsivity of 131.13 mA/W with a dichroic ratio of 1.50. The results indicate that In4(P2Se6)3 is a promising material for polarization-sensitive photodetectors, potentially stimulating further research into metal phosphorus trichalcogenides.

Article Details

Volume / Issue Vol. 140, Issue 4
Published July 28, 2026
ISSN 0021-8979
Publisher American Institute of Physics

Journal Info

Journal of Applied Physics

American Institute of Physics

ISSN: 0021-8979 Physical Sciences

Authors (12)

X

Xuanmao Xu

Synergetic Innovation Center for Quantum Effects and Application, Key Laboratory of Low-dimensional Quantum Structures and Quantum Control of Ministry of Education, Key Laboratory for Multifunctional Ionic Electronic Materials and Devices, College of Physics and Electronics, Hunan Normal University , Changsha 410081, Hunan,

W

Weike Wang

J

Jianan Li

C

Canhui Pan

Synergetic Innovation Center for Quantum Effects and Application, Key Laboratory of Low-dimensional Quantum Structures and Quantum Control of Ministry of Education, Key Laboratory for Multifunctional Ionic Electronic Materials and Devices, College of Physics and Electronics, Hunan Normal University , Changsha 410081, Hunan,

K

Kexin Chen

X

Xue Chen

J

Junhao Huang

Beijing Frontier Research Center for Biological Structures, State Key Laboratory of Membrane Biology, Tsinghua-Peking Joint Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing, China.

F

Feng Hu

Department of Chemistry, Engineering Research Center of Advanced Rare Earth Materials (Ministry of Education)

R

Ruyi Deng

Synergetic Innovation Center for Quantum Effects and Application, Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education, Key Laboratory for Multifunctional Ionic Electronic Materials and Devices, College of Physics and Electronics, Hunan Normal University , Changsha 410081, Hunan,

J

Jifei Wang

Key Laboratory of Low‐Dimensional Quantum Structures and Quantum Control of Ministry of Education, Department of Physics Hunan Normal University Changsha 410081 P.R. China

S

Shan Liang

D

Dongsheng Tang

Synergetic Innovation Center for Quantum Effects and Application, Key Laboratory of Low-dimensional Quantum Structures and Quantum Control of Ministry of Education, Key Laboratory for Multifunctional Ionic Electronic Materials and Devices, College of Physics and Electronics, Hunan Normal University , Changsha 410081, Hunan,