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Photovoltage enhancement from cyanobiphenyl liquid crystals and 4-tert-butylpyridine in Co(II/III) mediated dye-sensitized solar cells
Journal article   Peer reviewed

Photovoltage enhancement from cyanobiphenyl liquid crystals and 4-tert-butylpyridine in Co(II/III) mediated dye-sensitized solar cells

Teck Ming Koh, Hairong Li, Kazuteru Nonomura, Nripan Mathews, Anders Hagfeldt, Michael Graetzel, Subodh G. Mhaisalkar, Andrew C. Grimsdale and Mohammad K Nazeeruddin
Chemical communications (Cambridge, England), Vol.49(80), pp.9101-9103
01/01/2013
DOI: https://doi.org/10.1039/c3cc43892a
PMID: 23985828

Abstract

Chemistry Chemistry, Multidisciplinary Physical Sciences Science & Technology
Two cyanobiphenyl liquid crystals (LCs), 5CB (4-cyano-4'-pentylbiphenyl) and 8CB (4-cyano-4'-octylbiphenyl), are introduced as additives into Co(II/ III) electrolytes for dye-sensitized solar cells (DSCs). An electrolyte containing a combination of these LCs and 4-tert-butylpyridine (TBP) exhibits higher photovoltage than one with only TBP, resulting in higher power conversion efficiency.

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