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Electron and hole transport through mesoporous TiO2 infiltrated with spiro-MeOTAD

Abstract:

In-plane 'hole-only' and 'electron-only' devices were fabricated and the the conductivity was selectively measured through the TiO2 and the Spiro-MeOTAD. The hole conductivity through the composite was approximately three times higher than the electron conductivity. The mobility of TiO 2 decreases as the illumination intensity was increased towards intensities comparable with full sunlight. The effective diffusion coefficient for electrons reduced considerably as the light intensity approache...

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Publication status:
Published

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Publisher copy:
10.1002/adma.200602085

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Graetzel, M More by this author
Journal:
ADVANCED MATERIALS
Volume:
19
Issue:
21
Pages:
3643-+
Publication date:
2007-11-05
DOI:
EISSN:
1521-4095
ISSN:
0935-9648
URN:
uuid:d5e21d53-ab40-4dce-abea-dc7b4b6c153f
Source identifiers:
21483
Local pid:
pubs:21483
Language:
English

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