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Iron pyrite thin film counter electrodes for dye-sensitized solar cells: High efficiency for iodine and cobalt redox electrolyte cells
Shukla S.; Loc N.H.; Boix P.P.; Koh T.M.; Prabhakar R.R.; Mulmudi H.K.; Zhang J.; Chen S.; Ng C.F.; Huan C.H.A.; Mathews N.; Sritharan T.; Xiong Q.
2014
Source PublicationACS Nano
ISSN1936086X 19360851
Volume8Issue:10Pages:10597-10605
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 I /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 I /I and Co(III)/Co(II) electrolyte, respectively. With the I /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.
Keywordcounter electrode dye-sensitized solar cells iron pyrite spray pyrolysis
DOI10.1021/nn5040982
URLView the original
Language英語
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Cited Times [WOS]:118   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
AffiliationNanyang Technological University
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GB/T 7714
Shukla S.,Loc N.H.,Boix P.P.,et al. Iron pyrite thin film counter electrodes for dye-sensitized solar cells: High efficiency for iodine and cobalt redox electrolyte cells[J]. ACS Nano,2014,8(10):10597-10605.
APA Shukla S.,Loc N.H.,Boix P.P.,Koh T.M.,Prabhakar R.R.,Mulmudi H.K.,Zhang J.,Chen S.,Ng C.F.,Huan C.H.A.,Mathews N.,Sritharan T.,&Xiong Q..(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.
MLA Shukla S.,et al."Iron pyrite thin film counter electrodes for dye-sensitized solar cells: High efficiency for iodine and cobalt redox electrolyte cells".ACS Nano 8.10(2014):10597-10605.
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