DataVXACS Energy LettersPaper
journal article·2016-10-14

Cross-Linkable Fullerene Derivatives for Solution-Processed n–i–p Perovskite Solar Cells

Konrad Wojciechowski, Ivan Ramirez, Therese Gorisse, Olivier Dautel, Raghunath Dasari, Nobuya Sakai, Josue Martinez Hardigree, Seulki Song, Seth Marder, Moritz Riede, Guillaume Wantz, Henry J. Snaith

ACS Energy Letters· Volume 1· Issue 4
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Source abstract

Abstract

Hybrid perovskites form an extremely attractive class of materials for large scale, low-cost photovoltaic applications. Fullerene-based charge extraction layers have emerged as a viable n-type charge collection layer, and in “inverted” p–i–n device architectures the solar cells are approaching efficiencies of 20%. However, the regular n–i–p devices employing fullerenes still lag behind in performance. Here, we show that partial solubility of fullerene derivatives in the aprotic solvents used for the perovskites makes it challenging to retain integral films in multilayer solution processing. To overcome this issue we introduce cross-linkable fullerene derivatives as charge collection layers in n–i–p planar junction perovskite solar cells. The cross-linked fullerene layers are insolubilized and deliver improved performance in solar cells enabled by a controllable film thickness.
Source: openalex_inverted_index · Quality: baseline

Research context

Electronic materials

OpenAlex topics: Perovskite Materials and Applications · Conducting polymers and applications · Chalcogenide Semiconductor Thin Films

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Clarendon Laboratory, University of Oxford, Parks Road, Oxford OX1 3PU, United Kingdom

IMS Laboratory, Bordeaux Institute of Technology (Bordeaux INP), University of Bordeaux, CNRS UMR 5218, ENSCBP, 16 Pey Berland, 33607 Pessac Cedex, France

Institut Charles Gerhardt, UMR 5253, ENSCM AM2N, 8 rue de l’Ecole Normale, 34296 Montpellier Cedex 05, France

School of Chemistry and Biochemistry and Center for Organic Photonics and Electronics, Georgia Institute of Technology, Atlanta, Georgia 30332, United States

Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), San 31, Nam-gu, Pohang, Kyungbuk 790-784, Korea

Funding

Engineering and Physical Sciences Research Council · Air Force Office of Scientific Research · Office of Naval Research · Directorate-General for Research and Innovation

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