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Valence Level Chara...
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Philippe, Bertrand,Dr.1986-Uppsala universitet,Molekyl- och kondenserade materiens fysik
(author)
Valence Level Character in a Mixed Perovskite Material and Determination of the Valence Band Maximum from Photoelectron Spectroscopy : Variation with Photon Energy
- Article/chapterEnglish2017
Publisher, publication year, extent ...
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2017-11-21
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American Chemical Society (ACS),2017
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printrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:su-150981
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https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-150981URI
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https://doi.org/10.1021/acs.jpcc.7b08948DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-225456URI
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-333552URI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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QC 20180405
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A better understanding of the electronic structure of perovskite materials used in photovoltaic devices is essential for their development and optimization. In this investigation, synchrotron-based photoelectron spectroscopy (PES) was used to experimentally delineate the character and energy position of the valence band structures of a mixed perovskite. The valence band was measured using PES with photon energies ranging from ultraviolet photoelectron spectroscopy (21.2 eV) to hard X-rays (up to 4000 eV), and by taking the variation of the photoionization cross sections into account, we could experimentally determine the inorganic and organic contributions. The experiments were compared to theoretical calculations to further distinguish the role of the different anions in the electronic structure. This work also includes a thorough study of the valence band maximum and its position in relation to the Fermi level, which is crucial for the design and optimization of complete solar cells and their functional properties.
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Jacobsson, T. Jesper,1984-Uppsala universitet,Fysikalisk kemi,École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland(Swepub:uu)jesja828
(author)
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Correa-Baena, Juan-PabloÉcole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland; Massachusetts Institute of Technology, Cambridge, USA
(author)
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Jena, Naresh K.Uppsala universitet,Materialteori(Swepub:uu)narje540
(author)
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Banerjee, AmitavaUppsala universitet,Materialteori(Swepub:uu)amiba787
(author)
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Chakraborty, SudipUppsala universitet,Materialteori(Swepub:uu)sudch599
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Cappel, Ute B.Uppsala universitet,Molekyl- och kondenserade materiens fysik(Swepub:uu)uteca781
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Ahuja, Rajeev,1965-Uppsala universitet,Materialteori(Swepub:uu)rajeeva
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Hagfeldt, AndersÉcole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
(author)
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Odelius, MichaelStockholms universitet,Fysikum,Stockholm University, Stockholm, Sweden(Swepub:su)odelius
(author)
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Rensmo, HåkanUppsala universitet,Molekyl- och kondenserade materiens fysik(Swepub:uu)hakanrm
(author)
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Uppsala universitetMolekyl- och kondenserade materiens fysik
(creator_code:org_t)
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In:The Journal of Physical Chemistry C: American Chemical Society (ACS)121:48, s. 26655-266661932-74471932-7455
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Cappel, Ute B.
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