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A dye-sensitized nano-porous solid-state photovoltaic cell

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K Tennakone, G R R A Kumara, A R Kumarasinghe, K G U Wijayantha and P M Sirimanne

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A photovoltaic cell was fabricated by sandwiching a monolayer of the pigment cyanidin adsorbed on nano-porous n-TiO2 film (deposited on conducting tin oxide glass) within a transparent polycrystalline film of p-CuI, filling the intercrystallite pores of the porous n-TiO2 film. Photoexcited dye is found to inject electrons into n-TiO2 and holes into p-Cul, generating photocurrents and photovoltages that are impressively high for a dye-sensitized solid-state photovoltaic cell.


PACS

73.50.Pz Photoconduction and photovoltaic effects

68.55.-a Thin film structure and morphology

Subjects

Surfaces, interfaces and thin films

Dates

Issue 12 (December 1995)



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