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Enhanced photosensitive properties of a single-crystal formamidinium lead bromide iodine (FAPbBr2I) based photodetector

Ramashanker Gupta, Vinay Gupta Orcid Logo, Ram Datt, Sandeep Arya Orcid Logo, Animesh Pandey, Anoop Singh, Sudhir Husale, Ritu Srivastava, Sandeep Pathak

Materials Advances, Volume: 3, Issue: 4, Pages: 2089 - 2095

Swansea University Author: Ram Datt

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DOI (Published version): 10.1039/d1ma01096d

Abstract

In this work, the growth of formamidinium (FA) based mixed halide perovskite single-crystals using the inverse temperature crystallization method is investigated and characterized to detect their photosensitive properties. The structural characterization of the as-grown single crystals was studied u...

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Published in: Materials Advances
ISSN: 2633-5409
Published: Royal Society of Chemistry (RSC) 2022
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URI: https://cronfa.swan.ac.uk/Record/cronfa60737
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spelling v2 60737 2022-08-05 Enhanced photosensitive properties of a single-crystal formamidinium lead bromide iodine (FAPbBr2I) based photodetector 350d1f64ddd9787a6eda98611dcbb8d2 Ram Datt Ram Datt true false 2022-08-05 MTLS In this work, the growth of formamidinium (FA) based mixed halide perovskite single-crystals using the inverse temperature crystallization method is investigated and characterized to detect their photosensitive properties. The structural characterization of the as-grown single crystals was studied using X-ray diffractometry to confirm whether they belong to the {110} family of planes with a high crystallinity. Their optical properties were studied using UV-Vis spectroscopy, which showed a band-gap of 2 eV, and photoluminescence (PL) spectroscopy. The formation of the Ag/FAPbBr2I/Ag structure was tested under an applied bias voltage of up to ±5 V using different excitation light sources. The results showed a remarkable photosensitive performance with a peak current of 1 μA with corresponding responsivity and detectivity values of 0.8 A W−1 and 1.81 × 1011 Jones, respectively, under exposure to a visible (376 nm) laser. Journal Article Materials Advances 3 4 2089 2095 Royal Society of Chemistry (RSC) 2633-5409 6 1 2022 2022-01-06 10.1039/d1ma01096d COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University The authors would like to thank EPSRC POLARIS HOUSE (EPSRCPH) for financial support under the SUNRISE (Strategic University Network to Revolutionise Indian Solar Energy) grant number RP03541). The author (RG) also thanks to the Council of Scientific and Industrial Research (CSIR) New Delhi, India, for providing the senior research fellowship (31/001(0451)/2016-EMR-I). 2022-08-25T15:18:02.7370198 2022-08-05T11:17:25.6718522 College of Engineering Engineering Ramashanker Gupta 1 Vinay Gupta 0000-0003-3223-7267 2 Ram Datt 3 Sandeep Arya 0000-0001-5059-0609 4 Animesh Pandey 5 Anoop Singh 6 Sudhir Husale 7 Ritu Srivastava 8 Sandeep Pathak 9 60737__24855__d0112f310bf4427287baf7c892667285.pdf 60737.pdf 2022-08-05T11:21:38.4317454 Output 3444610 application/pdf Version of Record true This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence. true eng https://creativecommons.org/licenses/by-nc/3.0/
title Enhanced photosensitive properties of a single-crystal formamidinium lead bromide iodine (FAPbBr2I) based photodetector
spellingShingle Enhanced photosensitive properties of a single-crystal formamidinium lead bromide iodine (FAPbBr2I) based photodetector
Ram Datt
title_short Enhanced photosensitive properties of a single-crystal formamidinium lead bromide iodine (FAPbBr2I) based photodetector
title_full Enhanced photosensitive properties of a single-crystal formamidinium lead bromide iodine (FAPbBr2I) based photodetector
title_fullStr Enhanced photosensitive properties of a single-crystal formamidinium lead bromide iodine (FAPbBr2I) based photodetector
title_full_unstemmed Enhanced photosensitive properties of a single-crystal formamidinium lead bromide iodine (FAPbBr2I) based photodetector
title_sort Enhanced photosensitive properties of a single-crystal formamidinium lead bromide iodine (FAPbBr2I) based photodetector
author_id_str_mv 350d1f64ddd9787a6eda98611dcbb8d2
author_id_fullname_str_mv 350d1f64ddd9787a6eda98611dcbb8d2_***_Ram Datt
author Ram Datt
author2 Ramashanker Gupta
Vinay Gupta
Ram Datt
Sandeep Arya
Animesh Pandey
Anoop Singh
Sudhir Husale
Ritu Srivastava
Sandeep Pathak
format Journal article
container_title Materials Advances
container_volume 3
container_issue 4
container_start_page 2089
publishDate 2022
institution Swansea University
issn 2633-5409
doi_str_mv 10.1039/d1ma01096d
publisher Royal Society of Chemistry (RSC)
college_str College of Engineering
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hierarchy_top_title College of Engineering
hierarchy_parent_id collegeofengineering
hierarchy_parent_title College of Engineering
department_str Engineering{{{_:::_}}}College of Engineering{{{_:::_}}}Engineering
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description In this work, the growth of formamidinium (FA) based mixed halide perovskite single-crystals using the inverse temperature crystallization method is investigated and characterized to detect their photosensitive properties. The structural characterization of the as-grown single crystals was studied using X-ray diffractometry to confirm whether they belong to the {110} family of planes with a high crystallinity. Their optical properties were studied using UV-Vis spectroscopy, which showed a band-gap of 2 eV, and photoluminescence (PL) spectroscopy. The formation of the Ag/FAPbBr2I/Ag structure was tested under an applied bias voltage of up to ±5 V using different excitation light sources. The results showed a remarkable photosensitive performance with a peak current of 1 μA with corresponding responsivity and detectivity values of 0.8 A W−1 and 1.81 × 1011 Jones, respectively, under exposure to a visible (376 nm) laser.
published_date 2022-01-06T15:17:58Z
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