Depleted Sb2S3 Thin Film Photoconductive Detectors with Fast Response Speed and High Polarization Sensitivity - Details

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Antimony　sulfide　(Sb2S3)　with　high　absorption　coefficient　reveals　great　potential　for　photodetectors　(PDs)　in　various　fields　of　military　and　national　economy.　A　new　type　of　depleted　Sb2S3　thin　film　photoconductive　detector　by　using　titanium　dioxide　(TiO2)　interlayer　with　the　structure　of　Au/(glass/TiO2:)Sb2S3/Au　is　designed.　Compared　with　normal　Au/Sb2S3/Au　devices,　the　depleted　Sb2S3　PDs　obtain　a　higher　switching　ratio　of　90,　greatly　enhancing　responsivity　and　specific　detectivity.　Owing　to　the　electric　field　of　the　depletion　region,　the　response　time　significantly　decreases　from　23.2　to　0.6 ms.　In　addition,　the　anisotropic　Sb2S3　film　with　[120]　dominated　horizontal　orientation　is　suitable　for　polarized　light　detection.　The　peak-to-valley　ratio　of　the　depleted　Sb2S3　PD　reaches　1.3　at　polarized　light.　The　results　and　methods　of　this　study　are　expected　to　expand　the　application　of　PDs　based　on　Sb2S3　films.　©　2021　Wiley-VCH　GmbH

Keyword：

Antimony compounds Electric fields Gold compounds Light polarization Photoconductivity Photodetectors Photons Sulfur compounds Thin films Titanium dioxide

Community：

[ 1 ] [Jia, Yi]College of Physics and Information Engineering, Institute of Micro-Nano Devices and Solar Cells, Fuzhou University, Fuzhou; 350108, China
[ 2 ] [Deng, Hui]College of Physics and Information Engineering, Institute of Micro-Nano Devices and Solar Cells, Fuzhou University, Fuzhou; 350108, China
[ 3 ] [Deng, Hui]Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou; 350108, China
[ 4 ] [Lin, Xiao]College of Physics and Information Engineering, Institute of Micro-Nano Devices and Solar Cells, Fuzhou University, Fuzhou; 350108, China
[ 5 ] [Lin, Xiao]Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou; 350108, China
[ 6 ] [Chen, Shenzhong]College of Physics and Information Engineering, Institute of Micro-Nano Devices and Solar Cells, Fuzhou University, Fuzhou; 350108, China
[ 7 ] [Xia, Yong]Information Engineering School of Nanchang University, Nanchang; 330031, China
[ 8 ] [Wu, Zhixu]Information Engineering School of Nanchang University, Nanchang; 330031, China
[ 9 ] [Yu, Jinling]College of Physics and Information Engineering, Institute of Micro-Nano Devices and Solar Cells, Fuzhou University, Fuzhou; 350108, China
[ 10 ] [Cheng, Shuying]College of Physics and Information Engineering, Institute of Micro-Nano Devices and Solar Cells, Fuzhou University, Fuzhou; 350108, China
[ 11 ] [Cheng, Shuying]Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou; 350108, China
[ 12 ] [Cheng, Shuying]Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering, Changzhou; 213164, China
[ 13 ] [Lai, Yunfeng]College of Physics and Information Engineering, Institute of Micro-Nano Devices and Solar Cells, Fuzhou University, Fuzhou; 350108, China
[ 14 ] [Lai, Yunfeng]Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou; 350108, China
[ 15 ] [Lai, Yunfeng]Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering, Changzhou; 213164, China

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Source ：

Advanced Materials Interfaces

Year： 2022

Issue： 2

Volume： 9

5 . 4

JCR@2022

4 . 3 0 0

JCR@2023

ESI HC Threshold：91

JCR Journal Grade：2

CAS Journal Grade：3

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SCOPUS Cited Count：

ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 0

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