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TCO-free flexible organo metal trihalide perovskite planar-heterojunction solar cells

descriptionPublicationkeyboard_double_arrow_right Article , Journal , Other literature type 01 Sep 2015 Italy Publisher:Elsevier BVJournal:Solar Energy Materials and Solar Cells, volume 140, pages 150-157 (issn: 0927-0248,

Authors: Dianetti, M; DI GIACOMO, FRANCESCO; Polino, G; Ciceroni, C; Liscio, A; D'EPIFANIO, ALESSANDRA; LICOCCIA, SILVIA; +3 Authors

doi: 10.1016/j.solmat.2015.03.016

handle: 20.500.14243/300628 , 2108/149578

TCO-free flexible organo metal trihalide perovskite planar-heterojunction solar cells

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Abstract

In this work we present a transparent conductive oxide (TCO)-free flexible perovskite planar heterojunction solar cell made with a semitransparent anode realized with a highly conductive poly (3,4-ethylenedioxythiophene):poly(styrenesulfonate) PEDOT:PSS (PH1000 by Clevios) modified with ethylene glycol layer, deposited via spray coating. We investigated several formulations of PEDOT:PSS modified by addition of solvents with high boiling point such as ethylene glycol (EG) and dimethyl sulfoxide (DMSO). Optimized samples show a 65% transmittance at 550 nm and a sheet resistance of 28 Omega/square. On these optimized electrodes we fabricated a TCO-free flexible device, the best of which exhibited a power conversion efficiency of 4.9% under 100 mW/cm(2) illumination at AM1.5G. The efficiency of the perovskite planar-heterojunction solar cell, with the modified PEDOT:PSS anode was comparable to the one realized on a PET-ITO anode. Moreover, in the bending test, ITO-free flexible solar cell manifested superior mechanical robustness, showing the high flexibility of the perovskite layer. (C) 2015 Elsevier B.V. All rights reserved.

Country

Italy

Related Organizations

University of Rome Tor Vergata
Italy
National Research Council
Italy
Institute of Organic Synthesis and Photoreactivity
Italy
University of Rome Tor Vergata
Italy

Keywords

Perowskite solar cells, flexible solar cells, TCO-free solar cells, Spray coating, Perovskite solar cells, TCO-free solar cells, 600, Perowskite solar cells, Settore ING-INF/01 - ELETTRONICA, Flexible solar cells, Settore CHIM/07 - FONDAMENTI CHIMICI DELLE TECNOLOGIE, flexible solar cells, Spray coating

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	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%