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Effect of polymer morphology on P3HT-based solid-state dye sensitized solar cells: an ultrafast spectroscopic investigation.

Abstract:
Solid-state dye sensitized solar cell devices are fabricated with poly(3-hexylthiophene) (P3HT) as the hole transporting layer. Upon annealing treatment we obtained ≈ 70% increase in the device efficiency compared to un-annealed devices. Our investigation, by means of ultrafast transient absorption spectroscopic characterization, correlates the increased device performances to a more efficient hole-transfer at the dye/polymer interface in the thermally treated P3HT.
Publication status:
Published

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Publisher copy:
10.1364/oe.21.00a469

Authors


Grancini, G More by this author
Petrozza, A More by this author
Abrusci, A More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
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Publisher:
Optical Society of American (OSA)
Journal:
Optics express
Volume:
21 Suppl 3
Issue:
9
Pages:
A469-A474
Publication date:
2013-05-05
DOI:
EISSN:
1094-4087
ISSN:
1094-4087
URN:
uuid:75ffb25b-a283-404c-9ce6-aad75e2dc883
Source identifiers:
402681
Local pid:
pubs:402681
Language:
English

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