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Electronic Properties of Meso-Superstructured and Planar Organometal Halide Perovskite Films : Charge Trapping, Photodoping, and Carrier Mobility
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Leijtens, Tomas (author)
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Stranks, Samuel D. (author)
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Eperon, Giles E. (author)
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- Lindblad, Rebecka (author)
- Uppsala universitet,Molekyl- och kondenserade materiens fysik
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- Johansson, Erik M. J. (author)
- Uppsala universitet,Fysikalisk kemi
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McPherson, Ian J. (author)
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Rensmo, Hakan (author)
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Ball, James M. (author)
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Lee, Michael M. (author)
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Snaith, Henry J. (author)
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(creator_code:org_t)
- 2014-07-01
- 2014
- English.
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In: ACS Nano. - : American Chemical Society (ACS). - 1936-0851 .- 1936-086X. ; 8:7, s. 7147-7155
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- Solution-processed organometal trihalide perovskite solar cells are attracting increasing interest, leading to high performances over 15% in thin film architectures. Here, we probe the presence of sub gap states in both solid and mesosuperstructured perovskite films and determine that they strongly influence the photoconductivity response and splitting of the quasi-Fermi levels in films and solar cells. We find that while the planar perovskite films are superior to the mesosuperstructured films in terms of charge carrier mobility (in excess of 20 cm(2) V-1 s(-1)) and emissivity, the planar heterojunction solar cells are limited in photovoltage by the presence of sub gap states and low intrinsic doping densities.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
Keyword
- perovskite
- solar cells
- mobility
- traps
- doping
Publication and Content Type
- ref (subject category)
- art (subject category)
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ACS Nano
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- By the author/editor
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Leijtens, Tomas
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Stranks, Samuel ...
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Eperon, Giles E.
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Lindblad, Rebeck ...
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Johansson, Erik ...
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McPherson, Ian J ...
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show more...
-
Rensmo, Hakan
-
Ball, James M.
-
Lee, Michael M.
-
Snaith, Henry J.
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
- Articles in the publication
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ACS Nano
- By the university
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Uppsala University