Highly efficient perovskite solar cells with tunable structural color

Zhang, Wei and Anaya, Miguel and Lozano, Gabriel and Calvo, Mauricio E. and Johnston, Michael B. and Míguez, Hernán and Snaith, Henry J. (2015) Highly efficient perovskite solar cells with tunable structural color. Nano Letters, 15 (3). pp. 1698-1702. ISSN 1530-6984

Full content URL: http://dx.doi.org/10.1021/nl504349z

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Abstract

The performance of perovskite solar cells has been progressing over the past few years and efficiency is likely to continue to increase. However, a negative aspect for the integration of perovskite solar cells in the built environment is that the color gamut available in these materials is very limited and does not cover the green-to-blue region of the visible spectrum, which has been a big selling point for organic photovoltaics. Here, we integrate a porous photonic crystal (PC) scaffold within the photoactive layer of an opaque perovskite solar cell following a bottom-up approach employing inexpensive and scalable liquid processing techniques. The photovoltaic devices presented herein show high efficiency with tunable color across the visible spectrum. This now imbues the perovskite solar cells with highly desirable properties for cladding in the built environment and encourages design of sustainable colorful buildings and iridescent electric vehicles as future power generation sources.

Keywords:Structural Color, Perovskite Solar Cells, porous photonic crystal, bottom-up approach, colorful buildings, NotOAChecked
Subjects:F Physical Sciences > F200 Materials Science
H Engineering > H631 Electrical Power Generation
F Physical Sciences > F360 Optical Physics
Divisions:College of Science > School of Chemistry
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ID Code:22665
Deposited On:27 Mar 2016 11:11

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