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On the unipolarity of charge transport in methanofullerene diodes
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...
| Published in: | npj Flexible Electronics |
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| ISSN: | 2397-4621 |
| Published: |
2017
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| Online Access: |
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa39934 |
| 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 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. |
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| College: |
Faculty of Science and Engineering |
| Issue: |
1 |