A Victim of Halide Ion Segregation. How Light Soaking Affects Solar Cell Performance of Mixed Halide Lead Perovskites

Gergely F. Samu; Csaba Janáky; Prashant V. Kamat

doi:10.1021/acsenergylett.7b00589

journal article·2017-08-11Open access

A Victim of Halide Ion Segregation. How Light Soaking Affects Solar Cell Performance of Mixed Halide Lead Perovskites

Gergely F. Samu, Csaba Janáky, Prashant V. Kamat

ACS Energy Letters· Volume 2· Issue 8

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Source abstract

Abstract

High Resolution Image Download MS PowerPoint Slide Photoinduced segregation in mixed halide perovskites has a direct influence on decreasing the solar cell efficiency as segregated I-rich domains serve as charge recombination centers. The changes in the external quantum efficiency mirror the spectral loss in the absorption; however, the time scale of the IPCE recovery in the dark is slower than the absorption recovery, showing the intricate nature of the photoinduced halide segregation and charge collection in solar cell devices.

Source: openalex_inverted_index · Quality: baseline

Research context

Electronic materials

OpenAlex topics: Perovskite Materials and Applications · Chalcogenide Semiconductor Thin Films · Quantum Dots Synthesis And Properties

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

Affiliations

Department of Physical Chemistry and Materials Science, University of Szeged, Rerrich Square 1, Szeged H-6720, Hungary

MTA-SZTE “Lendület” Photoelectrochemistry Research Group, Rerrich Square 1, Szeged H-6720, Hungary

Funding

Basic Energy Sciences · King Abdullah University of Science and Technology · GINOP

References (15)

Show source-provided references

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