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Electronic Structur...
Electronic Structure of TiO2/CH3NH3PbI3 Perovskite Solar Cell Interfaces
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- Lindblad, Rebecka (author)
- Uppsala universitet,Molekyl- och kondenserade materiens fysik
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- Bi, Dongqin (author)
- Uppsala universitet,Fysikalisk kemi
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- Park, Byung-wook (author)
- Uppsala universitet,Fysikalisk kemi
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- Oscarsson, Johan (author)
- Uppsala universitet,Molekyl- och kondenserade materiens fysik
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Gorgoi, Mihaela (author)
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- Siegbahn, Hans (author)
- Uppsala universitet,Molekyl- och kondenserade materiens fysik
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Odelius, Michael (author)
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- Johansson, Erik M. J. (author)
- Uppsala universitet,Fysikalisk kemi
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- Rensmo, Håkan (author)
- Uppsala universitet,Molekyl- och kondenserade materiens fysik
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(creator_code:org_t)
- 2014-01-30
- 2014
- English.
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In: The Journal of Physical Chemistry Letters. - : American Chemical Society (ACS). - 1948-7185. ; 5:4, s. 648-653
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http://pubs.acs.org/...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- The electronic structure and chemical composition of efficient CH3NH3PbI3 perovskite solar cell materials deposited onto mesoporous TiO2 were studied using photoelectron spectroscopy with hard X-rays. With this technique, it is possible to directly measure the occupied energy levels of the perovskite as well as the TiO2 buried beneath and thereby determine the energy level matching of the interface. The measurements of the valence levels were in good agreement with simulated density of states, and the investigation gives information on the character of the valence levels. We also show that two different deposition techniques give results indicating similar electronic structures.
Subject headings
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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