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Thick junction broadband organic photodiodes

Ardalan Armin, Mike Hambsch, Il Ku Kim, Paul L Burn, Paul Meredith Orcid Logo, Ebinazar B Namdas

Laser & Photonics Reviews, Volume: 8, Issue: 6, Pages: 924 - 932

Swansea University Author: Paul Meredith Orcid Logo

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DOI (Published version): 10.1002/lpor.201400081

Abstract

Inorganic semiconductor-based broadband photodetectorsare ubiquitous in imaging technologies such as digitalcameras and photometers. Herein a broadband organic photodiode(OPD) that has performance metrics comparable orsuperior to inorganic photodiodes over the same spectral rangeis reported. The pho...

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Published in: Laser & Photonics Reviews
ISSN: 18638880
Published: 2014
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URI: https://cronfa.swan.ac.uk/Record/cronfa38600
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spelling 2018-07-30T16:29:55.7616201 v2 38600 2018-02-15 Thick junction broadband organic photodiodes 31e8fe57fa180d418afd48c3af280c2e 0000-0002-9049-7414 Paul Meredith Paul Meredith true false 2018-02-15 SPH Inorganic semiconductor-based broadband photodetectorsare ubiquitous in imaging technologies such as digitalcameras and photometers. Herein a broadband organic photodiode(OPD) that has performance metrics comparable orsuperior to inorganic photodiodes over the same spectral rangeis reported. The photodiode with an active layer comprisedof a poly[N-9-heptadecanyl-2,7-carbazole-alt-5,5-(4,7-di-2-thienyl-2,1,3-benzothiadiazole)]:[6,6]-phenyl-C71-butyric acidmethyl ester bulk heterojunction blend had a dark current < 1nA/cm2, specific detectivity of ∼ 1013 Jones, reverse bias −3 dBfrequency response of 100 kHz to 1 MHz, and state-of-the-artLinear Dynamic Range for organic photodiodes of nine ordersof magnitude (180 dB). The key to these performance metricswas the use of a thick junction (700 nm), which flattened thespectral response, reduced the dark current and decreasedperformance variations. The strategy also provides a route tolarge area defect free “monolithic” structures for low noiseintegrated photo-sensing, position determination, or contact,non-focal imaging. Journal Article Laser & Photonics Reviews 8 6 924 932 18638880 5 7 2014 2014-07-05 10.1002/lpor.201400081 http://www.scopus.com/inward/record.url?eid=2-s2.0-84925110056&amp;partnerID=MN8TOARS COLLEGE NANME Physics COLLEGE CODE SPH Swansea University 2018-07-30T16:29:55.7616201 2018-02-15T08:34:34.9359353 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Ardalan Armin 1 Mike Hambsch 2 Il Ku Kim 3 Paul L Burn 4 Paul Meredith 0000-0002-9049-7414 5 Ebinazar B Namdas 6 0038600-03052018155720.pdf LaserandPhotonicsReviewsRe-Submitted.pdf 2018-05-03T15:57:20.4000000 Output 1274403 application/pdf Accepted Manuscript true 2018-05-03T00:00:00.0000000 true eng
title Thick junction broadband organic photodiodes
spellingShingle Thick junction broadband organic photodiodes
Paul Meredith
title_short Thick junction broadband organic photodiodes
title_full Thick junction broadband organic photodiodes
title_fullStr Thick junction broadband organic photodiodes
title_full_unstemmed Thick junction broadband organic photodiodes
title_sort Thick junction broadband organic photodiodes
author_id_str_mv 31e8fe57fa180d418afd48c3af280c2e
author_id_fullname_str_mv 31e8fe57fa180d418afd48c3af280c2e_***_Paul Meredith
author Paul Meredith
author2 Ardalan Armin
Mike Hambsch
Il Ku Kim
Paul L Burn
Paul Meredith
Ebinazar B Namdas
format Journal article
container_title Laser & Photonics Reviews
container_volume 8
container_issue 6
container_start_page 924
publishDate 2014
institution Swansea University
issn 18638880
doi_str_mv 10.1002/lpor.201400081
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Physics{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Physics
url http://www.scopus.com/inward/record.url?eid=2-s2.0-84925110056&amp;partnerID=MN8TOARS
document_store_str 1
active_str 0
description Inorganic semiconductor-based broadband photodetectorsare ubiquitous in imaging technologies such as digitalcameras and photometers. Herein a broadband organic photodiode(OPD) that has performance metrics comparable orsuperior to inorganic photodiodes over the same spectral rangeis reported. The photodiode with an active layer comprisedof a poly[N-9-heptadecanyl-2,7-carbazole-alt-5,5-(4,7-di-2-thienyl-2,1,3-benzothiadiazole)]:[6,6]-phenyl-C71-butyric acidmethyl ester bulk heterojunction blend had a dark current < 1nA/cm2, specific detectivity of ∼ 1013 Jones, reverse bias −3 dBfrequency response of 100 kHz to 1 MHz, and state-of-the-artLinear Dynamic Range for organic photodiodes of nine ordersof magnitude (180 dB). The key to these performance metricswas the use of a thick junction (700 nm), which flattened thespectral response, reduced the dark current and decreasedperformance variations. The strategy also provides a route tolarge area defect free “monolithic” structures for low noiseintegrated photo-sensing, position determination, or contact,non-focal imaging.
published_date 2014-07-05T03:48:51Z
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score 11.037056

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