Large-area flexible and transparent UV photodetector based on cross-linked Ag NW@ZnO NRs with high performance

查看全文 作　　者：Lin [1,2]Zhang;Nuomei [1,2]Li;Qiuchen [1,2]Ma;Jiahui [1,2]Ding;Chuang [1,2]Chen;Zhaocheng [1,2]Hu;Weiwei [1,2]Zhao;Yufeng [1,2]Li;Huanhuan [1,2]Feng;Mingyu [1,2]Li;Hongjun [1,2]Ji

机构地区：[1]Sauvage Laboratory for Smart Materials,Shenzhen,Key Laboratory of Flexible Printed Electronics Technology,School of Materials Science and Engineering,Harbin Institute of Technology,Shenzhen 518055,China;[2]State Key Laboratory of Advanced Welding and Joining,Harbin Institute of Technology,Shenzhen 518055,China

出　　处：《Journal of Materials Science & Technology》索引2022年第15期,共8页

基　　金：supported by the National Natural Science Foundation of China(No.51775140);partially supported by the Shenzhen Science and Technology Plan(No.JCYJ20180507183511908);the National Science and Technology Major Project(No.2017-VⅠ-0009-0080);the Key-Area Research and Development Program of Guangdong Province(No.2019B010935001);the Industry and Information Technology Bureau of Shenzhen Municipality(No.201806071354163490)。 摘　　要：A series of large-area,flexible and transparent ultraviolet(UV)photodetectors(PDs)based on Ag nanowire(NW)@ZnO nanorods(NRs)are fabricated by an inexpensive,facile and effective approach.These Ag NW@ZnO NRs are successfully synthesized using a two-step method in an oil bath with a high surface-to-volume ratio and good crystallinity.The PDs are fabricated by drop-coating with different drop-coating times on the surface of polyethylene terephthalate(PET)coupled with Au electrodes.By optimizing the cross-linked network of Ag NW@ZnO NRs,PD2 with a size greater than 25 mm exhibits excellent photoresponse under UV light illumination of 365 nm(1.3 m W cm^(-2))with a bias of 5 V:a high sensitivity of over 10^(3),and a much shorter rise/decay time of 2.6 s/2.3 s.Simultaneously,the detector exhibits an average transmittance of more than 70%in the visible light region,as well as good flexibility and excellent mechanical stability under a bending angle of 120°over 1000 circles bending.These integral advantages have significant potential for practical applications and mass production. 关键词：Ag NW@ZnO NRs Low dark current Rapid response Transparent FLEXIBLE LARGE-AREA

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Large-area flexible and transparent UV photodetector based on cross-linked Ag NW@ZnO NRs with high performance

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