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Issue 21, 2015
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Colored, see-through perovskite solar cells employing an optical cavity

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Abstract

Multi-functional solar cells that can create semitransparency or desired colors have recently garnered much attention due to their potential in incorporating aesthetic functionalities into building envelopes, such as windows, facades, and walls, allowing large surfaces of the buildings to be utilized for light-harvesting. Here, we present optical microcavity-embedded decorative perovskite solar cells producing distinctive transmissive colors. Any individual semitransparent colors can be created by strong interference effects in the microcavity system, which are easily tuned by changing the thickness of the optical spacer layer of the microcavity. Our colored cell devices show a power conversion efficiency of up to ∼4% with high internal quantum efficiency that is attributed to greatly minimized charge carrier recombination. This approach could bring us one step closer towards energy-saving ultra-thin color display devices and power generating panels for building decoration.

Graphical abstract: Colored, see-through perovskite solar cells employing an optical cavity

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Supplementary files

Article information


Submitted
05 Mar 2015
Accepted
27 Apr 2015
First published
27 Apr 2015

J. Mater. Chem. C, 2015,3, 5377-5382
Article type
Communication
Author version available

Colored, see-through perovskite solar cells employing an optical cavity

K. Lee, M. Fukuda, S. Joglekar and L. J. Guo, J. Mater. Chem. C, 2015, 3, 5377
DOI: 10.1039/C5TC00622H

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