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Facile infiltration of semiconducting polymer into mesoporous electrodes for hybrid solar cells

ENERGY & ENVIRONMENTAL SCIENCE 4:8 (2011) 3051-3058

Authors:

Agnese Abrusci, I-Kang Ding, Mohammed Al-Hashimi, Tamar Segal-Peretz, Michael D McGehee, Martin Heeney, Gitti L Frey, Henry J Snaith
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Influence of Ion Induced Local Coulomb Field and Polarity on Charge Generation and Efficiency in Poly(3-Hexylthiophene)-Based Solid-State Dye-Sensitized Solar Cells

ADVANCED FUNCTIONAL MATERIALS 21:13 (2011) 2571-2579

Authors:

Agnese Abrusci, R Sai Santosh Kumar, Mohammed Al-Hashimi, Martin Heeney, Annamaria Petrozza, Henry J Snaith
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Lead-sulphide quantum-dot sensitization of tin oxide based hybrid solar cells

Solar Energy (2011)

Authors:

HJ Snaith, A Stavrinadis, P Docampo, AAR Watt
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Surface Energy Relay Between Cosensitized Molecules in Solid-State Dye-Sensitized Solar Cells

JOURNAL OF PHYSICAL CHEMISTRY C 115:46 (2011) 23204-23208

Authors:

Michael D Brown, Patrick Parkinson, Tomas Torres, Hidetoshi Miura, Laura M Herz, Henry J Snaith
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Enhanced photoresponse in solid-state excitonic solar cells via resonant energy transfer and cascaded charge transfer from a secondary absorber.

Nano Lett 10:12 (2010) 4981-4988

Authors:

Kristina Driscoll, Junfeng Fang, Nicola Humphry-Baker, Tomás Torres, Wilhelm TS Huck, Henry J Snaith, Richard H Friend

Abstract:

We present a spiro-linked molecule 2,2',7,7'-tetrakis(3-hexyl-5-(7-(4-hexylthiophen-2-yl)benzo[c][1,2,5]thiadiazol-4-yl)thiophen-2-yl)-9,9'-spirobifluorene which acts as a secondary absorber in solid-state excitonic solar cells. Blending with a hole-transporting material 2,2'7,7'-tetrakis(N,N-di-p-methoxyphenyl-amine)-9,9'-spirobifluorene and used in conjunction with a near-infrared dye (termed TT1) results in an extended spectral response which yields a notable increase in short-circuit current and power conversion efficiency. This enhancement is due to both exciton energy transfer and also nanoscale charge generation in the blend via the formation of an excited state spiro-complex with charge transfer character.
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