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dc.contributor.authorLoc, Nguyen Huuen
dc.contributor.authorShukla, Sudhanshuen
dc.contributor.authorBoix, Pablo Perezen
dc.contributor.authorKoh, Teck Mingen
dc.contributor.authorPrabhakar, Rajiv Ramanujamen
dc.contributor.authorHemant Kumar, Mulmudien
dc.contributor.authorZhang, Junen
dc.contributor.authorChen, Shien
dc.contributor.authorNg, Chin Fanen
dc.contributor.authorHuan, Cheng Hon Alfreden
dc.contributor.authorMathews, Nripanen
dc.contributor.authorSritharan, Thirumanyen
dc.contributor.authorXiong, Qihuaen
dc.identifier.citationShukla, S., Loc, N. H., Boix, P. P., Koh, T. M., Prabhakar, R. R., Mulmudi, H. K., et al. (2014). Iron pyrite thin film counter electrodes for dye-sensitized solar cells : high efficiency for iodine and cobalt redox electrolyte cells. ACS nano, 8(10), 10597-10605.en
dc.description.abstractIron pyrite has been the material of interest in the solar community due to its optical properties and abundance. However, the progress is marred due to the lack of control on the surface and intrinsic chemistry of pyrite. In this report, we show iron pyrite as an efficient counter electrode (CE) material alternative to the conventional Pt and poly(3,4-ethylenedioxythiophene (PEDOT) CEs in dye-sensitized solar cells (DSSCs). Pyrite film CEs prepared by spray pyrolysis are utilized in I3–/I– and Co(III)/Co(II) electrolyte-mediated DSSCs. From cyclic voltammetry and impedance spectroscopy studies, the catalytic activity is found to be comparable with that of Pt and PEDOT in I3–/I– and Co(III)/Co(II) electrolyte, respectively. With the I3–/I– electrolyte, photoconversion efficiency is found to be 8.0% for the pyrite CE and 7.5% for Pt, whereas with Co(III)/Co(II) redox DSSCs, efficiency is found to be the same for both pyrite and PEDOT (6.3%). The excellent performance of the pyrite CE in both the systems makes it a distinctive choice among the various CE materials studied.en
dc.description.sponsorshipNRF (Natl Research Foundation, S’pore)en
dc.format.extent9 p.en
dc.relation.ispartofseriesACS nanoen
dc.rights© 2014 American Chemical Society. This is the author created version of a work that has been peer reviewed and accepted for publication by ACS Nano, American Chemical Society. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].en
dc.subjectDRNTU::Engineering::Materials::Microelectronics and semiconductor materials::Thin filmsen
dc.titleIron pyrite thin film counter electrodes for dye-sensitized solar cells : high efficiency for iodine and cobalt redox electrolyte cellsen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen
dc.contributor.schoolSchool of Materials Science & Engineeringen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen
dc.contributor.researchEnergy Research Institute @ NTU (ERI@N)en
dc.description.versionAccepted versionen
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