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dc.contributor.authorCOLEMAN, JONATHANen
dc.date.accessioned2016-09-20T12:56:23Z
dc.date.available2016-09-20T12:56:23Z
dc.date.issued2016en
dc.date.submitted2016en
dc.identifier.citationLynch P, Khan U, Harvey A, Ahmed I, Coleman J.N, Graphene-MoS<inf>2</inf> nanosheet composites as electrodes for dye sensitised solar cells, Materials Research Express, 3, 3, 2016, 035007en
dc.identifier.otherYen
dc.identifier.urihttp://hdl.handle.net/2262/77391
dc.description.abstractthe platinum counter electrode in Dye-Senstized Solar Cells with a cheaper material has attracted much attention recently. Graphene, graphene oxide and other 2-dimensional materials have received significant attention. Here we demonstrate the dependence of device parameters on the thickness of counter electrodes formed from porous, disordered arrays of liquid-exfoliated graphene nanosheets. We find device efficiency to saturate at a counter electrode thickness of ~400 nm. Such optimised counter electrodes can be improved further by adding MoS2 nanosheets to the graphene electrode. By measuring the dependence of device parameters on the composition of mixed graphene/MoS2 electrodes, we show that adding ~10 wt% MoS2 nanosheets to a graphene counter electrode improves performance and can result in a cell efficiency of ~95% of that achieved using a platinum electrode. This data is consistent with the MoS2 nanosheets being somewhat better catalysts than the graphene nanosheets. However, the graphene nanosheets are required to render the electrode conductive. More detailed analysis suggests the better performance of the MoS2 nanosheets to be mostly down to their smaller size.en
dc.description.sponsorshipWe thank Science Foundation Ireland (11/PI/1087), the European Research Council (SEMANTICS) for support.en
dc.format.extent035007en
dc.relation.ispartofseriesMaterials Research Expressen
dc.relation.ispartofseries3en
dc.relation.ispartofseries3en
dc.rightsYen
dc.subjectDye-Senstized Solar Cellsen
dc.subject.lcshDye-Senstized Solar Cellsen
dc.titleGraphene-MoS<inf>2</inf> nanosheet composites as electrodes for dye sensitised solar cellsen
dc.typeJournal Articleen
dc.contributor.sponsorScience Foundation Ireland (SFI for RF)en
dc.type.supercollectionscholarly_publicationsen
dc.type.supercollectionrefereed_publicationsen
dc.identifier.peoplefinderurlhttp://people.tcd.ie/colemajen
dc.identifier.rssinternalid125590en
dc.identifier.doihttp://dx.doi.org/10.1088/2053-1591/3/3/035007en
dc.rights.ecaccessrightsopenAccess
dc.contributor.sponsorGrantNumber11/PI/108en
dc.identifier.rssurihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-84963763965&partnerID=40&md5=61cd5a9fd8ebc218bd211918d3122810en
dc.identifier.orcid_id0000-0001-9659-9721en


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