BiFeO3-Thiourea/Carbon heterostructure based self-powered white light photodetector

被引：26

作者：

Kathirvel, A. ^{[1
]}

Maheswari, A. Uma ^{[1
]}

Batabyal, Sudip K. ^{[2
]}

Sivakumar, M. ^{[1
]}

机构：

[1] Amrita Vishwa Vidyapeetham, Amrita Sch Engn, Dept Sci, Coimbatore 641112, Tamil Nadu, India

[2] Amrita Vishwa Vidyapeetham, Amrita Sch Engn, Amrita Ctr Ind Res & Innovat ACIRI, Coimbatore 641112, Tamil Nadu, India

来源：

MATERIALS LETTERS | 2021年 / 284卷

关键词：

Ferroelectric; Thin film; Carbon hole-collector; Heterostructure; Self-powered photodetector;

D O I：

10.1016/j.matlet.2020.128906

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Herein we report the performance of white-light photodetector fabricated by thiourea stabilized bismuth ferrite(BFO-TU) film as a photoactive layer and carbon as a hole collector. The heterojunction BFO/Carbon helps in excitons dissociation and thereby enhanced the device performance. Under the self-powered condition, the device fabricated with a thickness of 1.2 mu m exhibited maximum responsivity and detectivity of 2.85 mu A/W and 4.06 x 10(7) Jones respectively for incident light of power 100 mW/cm(2). Besides, the device shows excellent stability and repeatability with a high ON/OFF ratio. (c) 2020 Elsevier B.V. All rights reserved.

引用

页数：4

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