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Journal article

Fast charge-carrier trapping in TiO2 nanotubes

Abstract:

One-dimensional semiconductors such as nanowires and nanotubes are attractive materials for incorporation in photovoltaic devices as they potentially offer short percolation pathways to charge-collecting contacts. We report the observation of free-electron lifetimes in TiO2 nanotubes of the order of tens of picoseconds. These lifetimes are surprisingly short compared to those determined in films of TiO2 nanoparticles. Samples of ordered nanotube arrays with several diffe...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1021/acs.jpcc.5b01827

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
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Engineering and Physical Sciences Research Council More from this funder
Publisher:
American Chemical Society Publisher's website
Journal:
Journal of Physical Chemistry C Journal website
Volume:
119
Issue:
17
Pages:
9159-9168
Publication date:
2015-04-01
DOI:
EISSN:
1932-7455
ISSN:
1932-7447
Source identifiers:
524431
Pubs id:
pubs:524431
UUID:
uuid:d5903c95-8e19-4475-bf8d-bd3b327b6045
Local pid:
pubs:524431
Deposit date:
2016-01-05

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