Kettle, J., Rees, A., Brousseau, Emmanuel Bruno John Paul  ORCID: https://orcid.org/0000-0003-2728-3189 and Horie, M.
2013.
Low-temperature thermal nanoimprint lithography of anti-reflective structures for flexible low band gap organic solar cells.
Journal of Physics D: Applied Physics
46
(10)
, 105102.
10.1088/0022-3727/46/10/105102
|
Abstract
The effect of adding anti-reflective structures to a PCPDTBT : PCBM organic solar cell on a flexible substrate using a one-step thermal-nanoimprint lithography process has been studied. In order to process nanostructures onto polyethylene terephthalate (PET) substrates, a low glass transition polymer was used. The power conversion efficiency (PCE) was increased by 4% when the light was irradiated at normal incidence. However, at oblique angles of incidence (80°), a 32% relative increase in PCE was observed showing the enhanced light-capturing capability of the anti-reflective features. This efficiency enhancement was attributed to reduced reflection at the air–PET interface, which is supported by optical modelling data.
| Item Type: | Article |
|---|---|
| Date Type: | Publication |
| Status: | Published |
| Schools: | Schools > Engineering Research Institutes & Centres > Centre for Advanced Manufacturing Systems At Cardiff (CAMSAC) |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
| Publisher: | IOP Science |
| ISSN: | 0022-3727 |
| Last Modified: | 24 Oct 2022 10:33 |
| URI: | https://orca.cardiff.ac.uk/id/eprint/44864 |
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