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Predicting the Open‐Circuit Voltage of CH 3 NH 3 PbI 3 Perovskite Solar Cells Using Electroluminescence and Photovoltaic Quantum Efficiency Spectra: the Role of Radiative and Non‐Radiative Recombination

Predicting the Open‐Circuit Voltage of CH 3 NH 3 PbI 3 Perovskite Solar Cells Using... The remarkably high open‐circuit voltage of methylammonium lead iodide perov­skite solar cells is investigated. Both the theoretical maximum and the real open‐circuit voltage are predicted from electroluminescence and photovoltaic external quantum efficiency spectra. Radiative and non‐radiative recombination are quantified, where a source of non‐radiative recombination is found in the mesoscopic structure, independent of the Al2O3 or TiO2 scaffold. Without a hole‐transport layer, non‐radiative recombination is strongly enhanced, which reduces the open‐circuit voltage. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Advanced Energy Materials Wiley

Predicting the Open‐Circuit Voltage of CH 3 NH 3 PbI 3 Perovskite Solar Cells Using Electroluminescence and Photovoltaic Quantum Efficiency Spectra: the Role of Radiative and Non‐Radiative Recombination

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References (24)

Publisher
Wiley
Copyright
Copyright © 2015 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim
ISSN
1614-6832
eISSN
1614-6840
DOI
10.1002/aenm.201400812
Publisher site
See Article on Publisher Site

Abstract

The remarkably high open‐circuit voltage of methylammonium lead iodide perov­skite solar cells is investigated. Both the theoretical maximum and the real open‐circuit voltage are predicted from electroluminescence and photovoltaic external quantum efficiency spectra. Radiative and non‐radiative recombination are quantified, where a source of non‐radiative recombination is found in the mesoscopic structure, independent of the Al2O3 or TiO2 scaffold. Without a hole‐transport layer, non‐radiative recombination is strongly enhanced, which reduces the open‐circuit voltage.

Journal

Advanced Energy MaterialsWiley

Published: Feb 1, 2015

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