Citation: Baohua LÜ, Yuzhen LI. Anisotropic photoresponse of two-dimensional layered α-In₂Se₃(2H) ferroelectric materials[J]. Chinese Journal of Inorganic Chemistry, ;2024, 40(10): 1911-1918. doi: 10.11862/CJIC.20240105 shu

Anisotropic photoresponse of two-dimensional layered α-In₂Se₃(2H) ferroelectric materials

Baohua LÜ ^1,, ,
Yuzhen LI ²

1.
Department of Applied Chemistry, Yuncheng University, Yuncheng, Shanxi 044000, China
2.
Engineering Experiment Training Center, Yuncheng University, Yuncheng, Shanxi 044000, China

Corresponding author: Baohua LÜ, lvbaohua@ycu.edu.cn
Received Date: 2 April 2024
Revised Date: 16 July 2024

Figures(6)

The mechanical stripping method prepared the 2H-phase α-In₂Se₃ (α-In₂Se₃(2H)) nanosheets. The structure and ferroelectric properties of the nanosheets were characterized by X-ray diffraction (XRD), Raman spectroscopy, spherical aberration electron microscopy, and piezoelectric force microscopy. The nanosheets were identified as α-In₂Se₃(2H) ferroelectric materials with a special structure. Further, a planar four-terminal device based on α-In₂Se₃ (2H) ferroelectricity was successfully constructed on the SiO₂/Si substrate, and its photoresponse in all directions was investigated in detail. The results show that α-In₂Se₃(2H) with intrinsic structure has no photoresponse in both mutually perpendicular directions. After applying voltages at each end of the device, the α-In₂Se₃(2H) device shows obvious photoresponse in the mutually perpendicular directions. In particular, after utilizing a point voltage close to the direction of the easy polarization axis, the α-In₂Se₃(2H) device shows an anisotropic photoresponse.
- two-dimensional layered α-In₂Se₃(2H),
- mechanical stripping method,
- ferroelectricity,
- anisotropic photoresponse
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Anisotropic photoresponse of two-dimensional layered α-In2Se3(2H) ferroelectric materials

南开大学师唯/华北电力大学（保定）刘景维：二维配位聚合物中有序的亲锂冠醚位点用于无枝晶锂沉积

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通讯作者: 陈斌, bchen63@163.com

Anisotropic photoresponse of two-dimensional layered α-In₂Se₃(2H) ferroelectric materials