Electrochemistry
Online ISSN : 2186-2451
Print ISSN : 1344-3542
ISSN-L : 1344-3542
Articles
Activation of Weak Monochromic Photocurrents by White Light Irradiation for Accurate IPCE Measurements of Carbon-Based Multi-Porous-Layered-Electrode Perovskite Solar Cells
Ryuki TSUJI, Dmitry BOGACHUK, Bin LUO, David MARTINEAU, Eiji KOBAYASHI, Ryoto FUNAYAMA, Simone MASTROIANNI, Andreas HINSCH, Seigo ITO
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Keywords: Perovskite Solar Cells, Carbon-Graphite Electrode, Mesoporous Metal Oxide, J–V and IPCE Measurement
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2020 Volume 88 Issue 5 Pages 418-422

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Abstract

Variations in the time courses of the activation of fully-printable carbon-based multi-porous-layered-electrode perovskite solar cells (MPLE-PSCs) can lead to differences between the photocurrent density (Jsc) values obtained from one-sun photocurrent density-voltage (J–V) measurements and from incident-photon-to-current efficiency (IPCE) integration when using monochromic light. In the present work, the Jsc calculated from IPCE data was initially equal to half that obtained from one-sun J–V measurements. However, equivalent values were obtained when the J–V measurements were performed after 10 min of irradiation by a white light LED from the side of the device. This finding will be very important with regard to permitting accurate photovoltaic evaluation of MPLE-PSCs in the future.

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This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 License (CC BY, http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse of the work in any medium provided the original work is properly cited. [DOI: 10.5796/electrochemistry.20-64074].
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Denki Kagaku

Denki Kagaku oyobi Kogyo Butsuri Kagaku

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