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Cited by 845

The DOI matches its Crossref record; 54 of the 54 references it cites were found in a registry or an index.

Evidence for ion migration in hybrid perovskite solar cells with minimal hysteresis

Open access
Calado, Philip, Telford, Andrew M., Bryant, Daniel, Li, Xiaoe, Nelson, Jenny, O’Regan, Brian C., Barnes, Piers R.F.·2016·Nature Communications

Abstract

Ion migration has been proposed as a possible cause of photovoltaic current–voltage hysteresis in hybrid perovskite solar cells. A major objection to this hypothesis is that hysteresis can be reduced by changing the interfacial contact materials; however, this is unlikely to significantly influence the behaviour of mobile ionic charge within the perovskite phase. Here, we show that the primary effects of ion migration can be observed regardless of whether the contacts were changed to give devices with or without significant hysteresis. Transient optoelectronic measurements combined with device simulations indicate that electric-field screening, consistent with ion migration, is similar in both high and low hysteresis CH 3 NH 3 PbI 3 cells. Simulation of the photovoltage and photocurrent transients shows that hysteresis requires the combination of both mobile ionic charge and recombination near the perovskite-contact interfaces. Passivating contact recombination results in higher photogenerated charge concentrations at forward bias which screen the ionic charge, reducing hysteresis.

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Metadata

Authors
Calado, P., Telford, A. M., Bryant, D., Li, X., Nelson, J., O’Regan, B. C., & Barnes, P. R. F.
Venue
Nature Communications
Published
2016-12-22
Volume
7
Issue
1
Pages
13831-13831
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2412723915
Cited by
845
References
54
FWCI
38.42
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Evidence for ion migration in hybrid perovskite solar cells with minimal hysteresis. https://app.cochat.ai/papers/10.1038/ncomms13831
The paper
Calado, P., Telford, A. M., Bryant, D., Li, X., Nelson, J., O’Regan, B. C., & Barnes, P. R. F. (2016). Evidence for ion migration in hybrid perovskite solar cells with minimal hysteresis. Nature Communications. https://doi.org/10.1038/ncomms13831

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