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Pore Filling of Spiro-OMeTAD in Solid-State Dye-Sensitized Solar Cells Determined Via Optical Reflectometry

Abstract:

A simple strategy is presented to determine the pore-filling fraction of the hole-conductor 2,2-7,7-tetrakis-N,N-di-pmethoxyphenylamine-9,9- spirobifluorene (spiro-OMeTAD) into mesoporous photoanodes in solid-state dye-sensitized solar cells (ss-DSCs). Based on refractive index determination by the film's reflectance spectra and using effective medium approximations the volume fractions of the constituent materials can be extracted, hence the pore-filling fraction quantified. This non-destruc...

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Publication status:
Published

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Publisher copy:
10.1002/adfm.201201223

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Role:
Author
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Journal:
ADVANCED FUNCTIONAL MATERIALS
Volume:
22
Issue:
23
Pages:
5010-5019
Publication date:
2012-12-05
DOI:
EISSN:
1616-3028
ISSN:
1616-301X
Source identifiers:
368129
Language:
English
Keywords:
Pubs id:
pubs:368129
UUID:
uuid:13cc36dd-1531-44d5-a5c8-8dc9434e4294
Local pid:
pubs:368129
Deposit date:
2013-11-16

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