Organic bulk heterojunction enabled with nanocapsules of hydrate vanadium pentaoxide layer for high responsivity self-powered photodetector  

作　　者：Hemraj Dahiya Anupam Agrawal Ganesh D.Sharma Abhishek Kumar Singh 

机构地区：[1]The LNM Institute of Information Technology,Department of Physics,Jaipur,Rajasthan 302031,India [2]Bhilai Institute of Technology,Durg,Chhattisgarh,491001,India [3]Rajiv Gandhi Institute of Petroleum Technology,Department of Electronics Engineering,Amethi,U.P.229304,India

出　　处：《Journal of Semiconductors》2022年第9期39-45,共7页半导体学报（英文版）

基　　金：DST,New Delhi for INSPIRE Fellowship(IF190560).

摘　　要：This article demonstrates the fabrication of organic-based devices using a low-cost solution-processable technique.A blended heterojunction of chlorine substituted 2D-conjugated polymer PBDB-T-2Cl,and PC71BM supported nanocapsules hy-drate vanadium penta oxides(HVO)as hole transport layer(HTL)based photodetector fabricated on an ITO coated glass sub-strate under ambient condition.The device forms an excellent organic junction diode with a good rectification ratio of~200.The device has also shown excellent photodetection properties under photoconductive mode(at reverse bias)and zero bias for green light wavelength.A very high responsivity of~6500 mA/W and high external quantum efficiency(EQE)of 1400%have been reported in the article.The proposed organic photodetector exhibits an excellent response and recovery time of~30 and~40 ms,respectively.

关 键 词：self-powered detector green light sensor HVO PBDB-T-2Cl detector processable solution sensor 

分 类 号：TN15[电子电信—物理电子学] TQ135.11[化学工程—无机化工] TB383.1[一般工业技术—材料科学与工程]