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Measuring Energetic Disorder in Organic Semiconductors Using the Photogenerated Charge-Separation Efficiency

Samantha Hood, Nasim Zarrabi, Paul Meredith, Ivan Kassal, Ardalan Armin Orcid Logo

The Journal of Physical Chemistry Letters, Pages: 3863 - 3870

Swansea University Author: Ardalan Armin Orcid Logo

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DOI (Published version): 10.1021/acs.jpclett.9b01304

Abstract

Understanding and quantifying energetic disorder in organic semiconductors continues to attract attention because of its significant impact on the transport physics of these technologically important materials. Here, we show that the energetic disorder of organic semiconductors can be determined fro...

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Published in: The Journal of Physical Chemistry Letters
ISSN: 1948-7185 1948-7185
Published: 2019
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URI: https://cronfa.swan.ac.uk/Record/cronfa50987
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first_indexed 2019-07-01T20:56:02Z
last_indexed 2019-07-17T21:34:28Z
id cronfa50987
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spelling 2019-07-17T14:47:04.9947419 v2 50987 2019-07-01 Measuring Energetic Disorder in Organic Semiconductors Using the Photogenerated Charge-Separation Efficiency 22b270622d739d81e131bec7a819e2fd 0000-0002-6129-5354 Ardalan Armin Ardalan Armin true false 2019-07-01 SPH Understanding and quantifying energetic disorder in organic semiconductors continues to attract attention because of its significant impact on the transport physics of these technologically important materials. Here, we show that the energetic disorder of organic semiconductors can be determined from the relationship between the internal quantum efficiency of charge generation and the frequency of the incident light. Our results for a number of materials suggest that energetic disorder in organic semiconductors could be larger than previously reported, and we advance ideas as to why this may be the case. Journal Article The Journal of Physical Chemistry Letters 3863 3870 1948-7185 1948-7185 Organic semiconductor, energetic disorder, internal quantum efficiency 21 6 2019 2019-06-21 10.1021/acs.jpclett.9b01304 COLLEGE NANME Physics COLLEGE CODE SPH Swansea University 2019-07-17T14:47:04.9947419 2019-07-01T16:23:50.2829201 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Samantha Hood 1 Nasim Zarrabi 2 Paul Meredith 3 Ivan Kassal 4 Ardalan Armin 0000-0002-6129-5354 5 0050987-01072019162538.pdf disorder_neat_IQE.pdf 2019-07-01T16:25:38.4730000 Output 1511919 application/pdf Accepted Manuscript true 2020-06-21T00:00:00.0000000 true eng
title Measuring Energetic Disorder in Organic Semiconductors Using the Photogenerated Charge-Separation Efficiency
spellingShingle Measuring Energetic Disorder in Organic Semiconductors Using the Photogenerated Charge-Separation Efficiency
Ardalan Armin
title_short Measuring Energetic Disorder in Organic Semiconductors Using the Photogenerated Charge-Separation Efficiency
title_full Measuring Energetic Disorder in Organic Semiconductors Using the Photogenerated Charge-Separation Efficiency
title_fullStr Measuring Energetic Disorder in Organic Semiconductors Using the Photogenerated Charge-Separation Efficiency
title_full_unstemmed Measuring Energetic Disorder in Organic Semiconductors Using the Photogenerated Charge-Separation Efficiency
title_sort Measuring Energetic Disorder in Organic Semiconductors Using the Photogenerated Charge-Separation Efficiency
author_id_str_mv 22b270622d739d81e131bec7a819e2fd
author_id_fullname_str_mv 22b270622d739d81e131bec7a819e2fd_***_Ardalan Armin
author Ardalan Armin
author2 Samantha Hood
Nasim Zarrabi
Paul Meredith
Ivan Kassal
Ardalan Armin
format Journal article
container_title The Journal of Physical Chemistry Letters
container_start_page 3863
publishDate 2019
institution Swansea University
issn 1948-7185
1948-7185
doi_str_mv 10.1021/acs.jpclett.9b01304
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
document_store_str 1
active_str 0
description Understanding and quantifying energetic disorder in organic semiconductors continues to attract attention because of its significant impact on the transport physics of these technologically important materials. Here, we show that the energetic disorder of organic semiconductors can be determined from the relationship between the internal quantum efficiency of charge generation and the frequency of the incident light. Our results for a number of materials suggest that energetic disorder in organic semiconductors could be larger than previously reported, and we advance ideas as to why this may be the case.
published_date 2019-06-21T04:02:42Z
_version_ 1763753237288058880
score 11.016235

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