 ITO free MoO3/Au/MoO3 structures using Al2O3 as protective barrier between MoO3 and PEDOT:PSS in organic solar cellsMd. Maniruzzaman, Mohammad Arifur Rahman, Kyunghoon Jeong, Ho-seok Nam and Jaegab Lee Renewable Energy, 2014, vol. 71, issue C, 193-199 Abstract: A MoO3/Au/MoO3 structure with a protective barrier Al2O3 was developed to suppress the reactions between MoO3 and the PEDOT:PSS film in organic solar cells (OSCs). Though the maximum optical transmittance of this structure was 66% at 550 nm wavelength, the power conversion efficiency of a MoO3/Au/MoO3/Al2O3/PEDOT:PSS based OSCs was 2.77%, comparable to the 2.89% of an ITO-based OSCs. The introduction of a very thin Al2O3 layer between the MoO3 and the acidic PEDOT:PSS film effectively protected the MoO3 from the acidic and water dispersed PEDOT:PSS film, increasing the Jsc, Voc and FF of the structure above those of the MoO3/Au/MoO3/PEDOT:PSS structure. The Al2O3 (1 nm) introduced to the MoO3/Au/MoO3 structure improved Jsc because it suppressed the reactions between MoO3 and PEDOT:PSS and lowered the work function of the PEDOT:PSS film. The MoO3/Au/MoO3/Al2O3 electrode was shown to be a promising replacement of ITO for use in flexible optoelectronic devices. Keywords: ITO-free; Multilayer; Al2O3; Organic solar cell (search for similar items in EconPapers) Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:71:y:2014:i:c:p:193-199 DOI: 10.1016/j.renene.2014.05.040 Access Statistics for this article Renewable Energy is currently edited by Soteris A. Kalogirou and Paul Christodoulides More articles in Renewable Energy from Elsevier |
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