Reproducible Dry Stamping Transfer of PEDOT:PSS Transparent Top Electrode for Flexible Semitransparent Metal Halide Perovskite Solar Cells

A semitransparent flexible metal halide perovskite (MHP) solar cells were demonstrated by reproducible dry stamping transfer of a poly­(3,4-ethylenedioxythiophene):poly­(styrene sulfonic acid) (PEDOT:PSS, PH1000) transparent flexible top electrode onto poly­(ethylene terephthalate) (PET)/indium tin...

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Bibliographic Details
Published in:ACS applied materials & interfaces 2020-03, Vol.12 (9), p.10527-10534
Main Authors: Lee, Jong Hwa, Heo, Jin Hyuck, Im, Sang Hyuk, Park, O. Ok
Format: Article
Language:English
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Summary:A semitransparent flexible metal halide perovskite (MHP) solar cells were demonstrated by reproducible dry stamping transfer of a poly­(3,4-ethylenedioxythiophene):poly­(styrene sulfonic acid) (PEDOT:PSS, PH1000) transparent flexible top electrode onto poly­(ethylene terephthalate) (PET)/indium tin oxide (ITO)/PEDOT:PSS (AI4083)/MHP/[6,6]-phenyl-C61-butyric acid methyl ester (PCBM). The reproducible transfer of the PEDOT:PSS top electrode was enabled by the modification of PEDOT:PSS with poly­(ethylene imine) (PEI)/2-methoxyethanol (2-MEA) solution. In addition, the PEI/2-MEA modification to PEDOT:PSS resulted in improved conductivity and reduced work function of the top electrode. Therefore, we could fabricate highly efficient flexible semitransparent MHP solar cells with >13% (active area = 1 cm2) power conversion efficiency.
ISSN:1944-8244
1944-8252
DOI:10.1021/acsami.9b22657