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

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

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...

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Veröffentlicht in:Optics express 2013-05, Vol.21 Suppl 3 (S3), p.A469-A474
Hauptverfasser: Kumar, R Sai Santosh, Grancini, G, Petrozza, A, Abrusci, A, Snaith, H J, Lanzani, G
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container_end_page A474
container_issue S3
container_start_page A469
container_title Optics express
container_volume 21 Suppl 3
creator Kumar, R Sai Santosh
Grancini, G
Petrozza, A
Abrusci, A
Snaith, H J
Lanzani, G
description 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.
doi_str_mv 10.1364/OE.21.00A469
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title Effect of polymer morphology on P3HT-based solid-state dye sensitized solar cells: an ultrafast spectroscopic investigation
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