On the unipolarity of charge transport in methanofullerene diodes

Armin, Ardalan; Shoaee, Safa; Lin, Qianqian; Burn, Paul L; Meredith, Paul

doi:10.1038/s41528-017-0012-y

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On the unipolarity of charge transport in methanofullerene diodes

Ardalan Armin

, Safa Shoaee, Qianqian Lin, Paul L Burn, Paul Meredith

npj Flexible Electronics, Volume: 1, Issue: 1

Swansea University Authors: Ardalan Armin , Paul Meredith

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DOI (Published version): 10.1038/s41528-017-0012-y

Abstract

Fullerenes are electron transporting organic semiconductors with a wide range of applications. In particular, methanofullereneshave been the preferred choice for solution-processed solar cells and photodiodes. The wide applicability of fullerenes as both ‘ntype’transport materials and electron accep...

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Published in:	npj Flexible Electronics
ISSN:	2397-4621
Published:	2017
Online Access:	Check full text
URI:	https://cronfa.swan.ac.uk/Record/cronfa39934
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first_indexed	2018-05-03T19:39:17Z
last_indexed	2018-07-10T13:30:05Z
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spelling	2018-07-09T16:53:20.0969045 v2 39934 2018-05-03 On the unipolarity of charge transport in methanofullerene diodes 22b270622d739d81e131bec7a819e2fd 0000-0002-6129-5354 Ardalan Armin Ardalan Armin true false 31e8fe57fa180d418afd48c3af280c2e 0000-0002-9049-7414 Paul Meredith Paul Meredith true false 2018-05-03 SPH Fullerenes are electron transporting organic semiconductors with a wide range of applications. In particular, methanofullereneshave been the preferred choice for solution-processed solar cells and photodiodes. The wide applicability of fullerenes as both ‘ntype’transport materials and electron acceptors is clear. However, what is still a matter of debate is whether the fullerenes can alsosupport efficient transport of holes, particularly in diode geometries. In this letter, we utilize a number of recently developedexperimental methods for selective electron and hole mobility measurements. We show for the two most widely used solutionprocessable fullerenes, PC70- and-PC60BM, that whilst both exhibit electron mobilities as high as 10−3 cm2/Vs, their hole mobilities. Journal Article npj Flexible Electronics 1 1 2397-4621 18 12 2017 2017-12-18 10.1038/s41528-017-0012-y COLLEGE NANME Physics COLLEGE CODE SPH Swansea University 2018-07-09T16:53:20.0969045 2018-05-03T15:05:06.1757776 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Ardalan Armin 0000-0002-6129-5354 1 Safa Shoaee 2 Qianqian Lin 3 Paul L Burn 4 Paul Meredith 0000-0002-9049-7414 5 0039934-03052018150607.pdf PublishedOnline.pdf 2018-05-03T15:06:07.1730000 Output 6278437 application/pdf Version of Record true 2018-05-03T00:00:00.0000000 This article is licensed under a Creative Commons Attribution 4.0 International License. true eng
title	On the unipolarity of charge transport in methanofullerene diodes
spellingShingle	On the unipolarity of charge transport in methanofullerene diodes Ardalan Armin Paul Meredith
title_short	On the unipolarity of charge transport in methanofullerene diodes
title_full	On the unipolarity of charge transport in methanofullerene diodes
title_fullStr	On the unipolarity of charge transport in methanofullerene diodes
title_full_unstemmed	On the unipolarity of charge transport in methanofullerene diodes
title_sort	On the unipolarity of charge transport in methanofullerene diodes
author_id_str_mv	22b270622d739d81e131bec7a819e2fd 31e8fe57fa180d418afd48c3af280c2e
author_id_fullname_str_mv	22b270622d739d81e131bec7a819e2fd_*_Ardalan Armin 31e8fe57fa180d418afd48c3af280c2e_*_Paul Meredith
author	Ardalan Armin Paul Meredith
author2	Ardalan Armin Safa Shoaee Qianqian Lin Paul L Burn Paul Meredith
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container_title	npj Flexible Electronics
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publishDate	2017
institution	Swansea University
issn	2397-4621
doi_str_mv	10.1038/s41528-017-0012-y
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department_str	School of Biosciences, Geography and Physics - Physics{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Physics
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description	Fullerenes are electron transporting organic semiconductors with a wide range of applications. In particular, methanofullereneshave been the preferred choice for solution-processed solar cells and photodiodes. The wide applicability of fullerenes as both ‘ntype’transport materials and electron acceptors is clear. However, what is still a matter of debate is whether the fullerenes can alsosupport efficient transport of holes, particularly in diode geometries. In this letter, we utilize a number of recently developedexperimental methods for selective electron and hole mobility measurements. We show for the two most widely used solutionprocessable fullerenes, PC70- and-PC60BM, that whilst both exhibit electron mobilities as high as 10−3 cm2/Vs, their hole mobilities.
published_date	2017-12-18T03:50:47Z
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On the unipolarity of charge transport in methanofullerene diodes

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