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Issue 2, 2017
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Searching for promising new perovskite-based photovoltaic absorbers: the importance of electronic dimensionality

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Abstract

Searching for promising nontoxic and air-stable perovskite absorbers for solar cell applications has drawn extensive attention. Here, we show that a promising perovskite absorber should exhibit a high electronic dimensionality. Semiconductors that exhibit a high structural dimensionality, but a low electronic dimensionality have less promise as an absorber, because of barriers to isotropic current flow, enhanced electron/hole effective masses and fundamentally deeper defect states (more effective at causing recombination). Our concept accounts for the device performance of the perovskite-based solar cells reported in literature so far.

Graphical abstract: Searching for promising new perovskite-based photovoltaic absorbers: the importance of electronic dimensionality

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Supplementary files

Article information


Submitted
19 Nov 2016
Accepted
14 Dec 2016
First published
14 Dec 2016

Mater. Horiz., 2017,4, 206-216
Article type
Communication

Searching for promising new perovskite-based photovoltaic absorbers: the importance of electronic dimensionality

Z. Xiao, W. Meng, J. Wang, D. B. Mitzi and Y. Yan, Mater. Horiz., 2017, 4, 206
DOI: 10.1039/C6MH00519E

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