High-Sensitivity Self-Powered Photodetector Fibers Using Hierarchical Heterojunction Photoelectrodes Enable Wearable Amphibious Optoelectronic Textiles

被引:10
作者
Zhou, Jianxian [1 ,2 ]
Chen, Long [1 ,3 ]
Wu, Jiajun [1 ]
Lu, Zecheng [1 ]
Liu, Fan [3 ]
Chen, Xuedan [1 ]
Xue, Pan [4 ]
Li, Chunsheng [5 ]
Wei, Lei [3 ]
Wu, Guan [6 ]
Li, Qingwen [1 ,2 ]
Zhang, Qichong [1 ,2 ]
机构
[1] Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion, Key Lab Multifunct Nanomat & Smart Syst, Suzhou 215123, Peoples R China
[2] Univ Sci & Technol China, Hefei 230026, Peoples R China
[3] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore
[4] Yangzhou Univ, Sch Chem & Chem Engn, Yangzhou 225002, Peoples R China
[5] Suzhou Univ Sci & Technol, Sch Chem & Life Sci, Suzhou 215009, Peoples R China
[6] Zhejiang Sci Tech Univ, Natl Engn Lab Text Fiber Mat & Proc Technol, Hangzhou 310018, Peoples R China
基金
国家重点研发计划;
关键词
optoelectronic fiber; PECphotodetector; hierarchicalheterojunction; self-powered; amphibious e-textile; NANOWIRE ARRAYS; METAL; NANOSHEETS;
D O I
10.1021/acs.nanolett.3c03851
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Fiber-shaped photodetectors (FPDs) with multidirectional light absorption properties offer exciting opportunities for intelligent optoelectronic textiles. However, achieving FPDs capable of working in ampule environments, especially with high sensitivity, remains a fundamental challenge. Here, quasi-solid-state twisted-fiber photoelectrochemical photodetectors (FPPDs) consisting of photoanode, gel electrolyte, and counter electrode are successfully assembled. In situ decorated n-type one-dimensional (1D) TiO2 nanowire arrays with 2D Ni-Fe metal-organic framework (NiFeMOF) nanosheets serve as hierarchical heterojunction photoanodes, thereby optimizing carrier transfer dynamics at the photoanode/electrolyte interface. As expected, the resulting self-powered FPPD exhibits 88.6 mA W-1 high responsiveness and a < 30 ms fast response time. Significantly, our FPPD can operate in both terrestrial and aquatic environments thanks to its intrinsic ionic properties, making it a versatile tool for detecting ultraviolet light on land and facilitating optical communication underwater. These high-sensitivity self-powered FPPDs with hierarchical heterojunction photoelectrodes hold promise for the development of wearable amphibious optoelectronic textiles.
引用
收藏
页码:11297 / 11306
页数:10
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