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Influence of shell thickness and surface passivation on PbS/CdS core/shell colloidal quantum dot solar cells

Abstract:

Cation-exchange has been used to synthesize PbS/CdS core/shell colloidal quantum dots from PbS starting cores. These were then incorporated as the active material in solar cell test devices using a solution-based, air-ambient, layer-by-layer spin coating process. We show that core/shell colloidal quantum dots can replace their unshelled counterparts with a similar band gap as the active layer in a solar cell device, leading to an improvement in open circuit voltage from 0.42 to 0.66 V. This i...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted Manuscript

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Publisher copy:
10.1021/cm501595u

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Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
Role:
Author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
Role:
Author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics
Role:
Author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
Role:
Author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
Role:
Author
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Publisher:
American Chemical Society Publisher's website
Journal:
Chemistry of Materials Journal website
Volume:
26
Issue:
13
Pages:
4004-4013
Publication date:
2014-01-01
DOI:
EISSN:
1520-5002
ISSN:
0897-4756
URN:
uuid:6bc80045-9e9a-4dd1-a4ce-44a8c1059d3f
Source identifiers:
476599
Local pid:
pubs:476599

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