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Efficient Blue-Colored Solid-State Dye-Sensitized Solar Cells: Enhanced Charge Collection by Using an in Situ Photoelectrochemically Generated Conducting Polymer Hole Conductor.
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2016 (English)In: ChemPhysChem, ISSN 1439-4235, E-ISSN 1439-7641, Vol. 17, no 10Article in journal (Refereed) Published
Abstract [en]

A high power conversion efficiency (PCE) of 5.5 % was achieved by efficiently incorporating a diketopyrrolopyrrole-based dye with a conducting polymer poly(3,4-ethylenediothiophene) (PEDOT) hole-transporting material (HTM) that was formed in situ, compared with a PCE of 2.9 % for small molecular spiro-OMeTAD-based solid-state dye solar cells (sDSCs). The high PCE for PEDOT-based sDSCs is mainly attributed to the significantly enhanced charge-collection efficiency, as a result of the three-order-of-magnitude higher hole conductivity (0.53 S cm(-1) ) compared with that of the widely used low molecular weight HTM spiro-OMeTAD (3.5×10(-4)  S cm(-1) ).

Place, publisher, year, edition, pages
2016. Vol. 17, no 10
National Category
Physical Chemistry
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URN: urn:nbn:se:uu:diva-300746DOI: 10.1002/cphc.201600064PubMedID: 26919196OAI: oai:DiVA.org:uu-300746DiVA: diva2:952681
Available from: 2016-08-15 Created: 2016-08-12 Last updated: 2016-08-15

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