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Filterless narrowband visible photodetectors

Qianqian Lin, Ardalan Armin Orcid Logo, Paul L. Burn, Paul Meredith Orcid Logo

Nature Photonics, Volume: 9, Issue: 10, Pages: 687 - 694

Swansea University Authors: Ardalan Armin Orcid Logo, Paul Meredith Orcid Logo

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DOI (Published version): 10.1038/nphoton.2015.175

Abstract

Wavelength selective light detection is crucial for many applications such as imaging and machine vision. Narrowband spectral responses are required for colour discrimination and current systems use broadband photodiodes combined with optical filters. This approach increases architectural complexity...

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Published in: Nature Photonics
ISSN: 1749-4885 1749-4893
Published: Springer Science and Business Media LLC 2015
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URI: https://cronfa.swan.ac.uk/Record/cronfa33780
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spelling 2022-12-05T12:31:45.9371849 v2 33780 2017-05-19 Filterless narrowband visible photodetectors 22b270622d739d81e131bec7a819e2fd 0000-0002-6129-5354 Ardalan Armin Ardalan Armin true false 31e8fe57fa180d418afd48c3af280c2e 0000-0002-9049-7414 Paul Meredith Paul Meredith true false 2017-05-19 SPH Wavelength selective light detection is crucial for many applications such as imaging and machine vision. Narrowband spectral responses are required for colour discrimination and current systems use broadband photodiodes combined with optical filters. This approach increases architectural complexity, and limits of the quality of colour sensing. Here we report filterless, narrowband red, green, and blue photodiodes with tuneable spectral responses. The devices have simple planar junction architectures with the photoactive layer being a solution processed mixture of either an organohalide perovskite or lead halide semiconductor, and a neutral or cationic organic molecule. The organic molecules modify the optical and electrical properties of the photodiode and facilitate narrowing charge collection narrowing of the device's external quantum efficiency. These red, green, and blue photodiodes all possess full-width-at-half-maxima of &#60;100 nm and performance metrics suitable for many imaging applications. Journal Article Nature Photonics 9 10 687 694 Springer Science and Business Media LLC 1749-4885 1749-4893 organohalide perovskites, narrowband photodetectors 1 10 2015 2015-10-01 10.1038/nphoton.2015.175 COLLEGE NANME Physics COLLEGE CODE SPH Swansea University 2022-12-05T12:31:45.9371849 2017-05-19T15:09:21.0408902 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Qianqian Lin 1 Ardalan Armin 0000-0002-6129-5354 2 Paul L. Burn 3 Paul Meredith 0000-0002-9049-7414 4 0033780-14052018142939.pdf 33780.pdf 2018-05-14T14:29:39.6600000 Output 968611 application/pdf Accepted Manuscript true 2018-05-14T00:00:00.0000000 true eng
title Filterless narrowband visible photodetectors
spellingShingle Filterless narrowband visible photodetectors
Ardalan Armin
Paul Meredith
title_short Filterless narrowband visible photodetectors
title_full Filterless narrowband visible photodetectors
title_fullStr Filterless narrowband visible photodetectors
title_full_unstemmed Filterless narrowband visible photodetectors
title_sort Filterless narrowband visible photodetectors
author_id_str_mv 22b270622d739d81e131bec7a819e2fd
31e8fe57fa180d418afd48c3af280c2e
author_id_fullname_str_mv 22b270622d739d81e131bec7a819e2fd_***_Ardalan Armin
31e8fe57fa180d418afd48c3af280c2e_***_Paul Meredith
author Ardalan Armin
Paul Meredith
author2 Qianqian Lin
Ardalan Armin
Paul L. Burn
Paul Meredith
format Journal article
container_title Nature Photonics
container_volume 9
container_issue 10
container_start_page 687
publishDate 2015
institution Swansea University
issn 1749-4885
1749-4893
doi_str_mv 10.1038/nphoton.2015.175
publisher Springer Science and Business Media LLC
college_str Faculty of Science and Engineering
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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
document_store_str 1
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description Wavelength selective light detection is crucial for many applications such as imaging and machine vision. Narrowband spectral responses are required for colour discrimination and current systems use broadband photodiodes combined with optical filters. This approach increases architectural complexity, and limits of the quality of colour sensing. Here we report filterless, narrowband red, green, and blue photodiodes with tuneable spectral responses. The devices have simple planar junction architectures with the photoactive layer being a solution processed mixture of either an organohalide perovskite or lead halide semiconductor, and a neutral or cationic organic molecule. The organic molecules modify the optical and electrical properties of the photodiode and facilitate narrowing charge collection narrowing of the device's external quantum efficiency. These red, green, and blue photodiodes all possess full-width-at-half-maxima of &#60;100 nm and performance metrics suitable for many imaging applications.
published_date 2015-10-01T03:41:52Z
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score 10.998002

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