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A Simple 3,4-Ethylenedioxythiophene Based Hole-Transporting Material for Perovskite Solar Cells
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Physical Chemistry.
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2014 (English)In: Angewandte Chemie International Edition, ISSN 1433-7851, E-ISSN 1521-3773, Vol. 53, no 16, 4085-4088 p.Article in journal (Refereed) Published
Abstract [en]

We report a novel electron-rich molecule based on 3,4-ethylenedioxythiophene (H101). When used as the hole-transporting layer in a perovskite-based solar cell, the power-conversion efficiency reached 13.8% under AM 1.5G solar simulation. This result is comparable with that obtained using the well-known hole transporting material 2,2,7,7-tetrakis(N,N-di-p-methoxyphenylamine)-9,9-spirobifluorene (spiro-OMeTAD). This is the first heterocycle-containing material achieving >10% efficiency in such devices, and has great potential to replace the expensive spiro-OMeTAD given its much simpler and cheaper synthesis.

Place, publisher, year, edition, pages
2014. Vol. 53, no 16, 4085-4088 p.
Keyword [en]
heterocycles, perovskite, solar cells
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-227881DOI: 10.1002/anie.201310877ISI: 000334127800003OAI: oai:DiVA.org:uu-227881DiVA: diva2:731784
Available from: 2014-07-02 Created: 2014-07-01 Last updated: 2017-12-05Bibliographically approved

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Hagfeldt, Anders

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