Facile synthesis of carbon dot-Au nanoraspberries and their application as high-performance counter electrodes in quantum dot-sensitized solar cells

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dc.contributor.authorVan-Duong Daoko
dc.contributor.authorKim, Poeunko
dc.contributor.authorBaek, Seunghyeonko
dc.contributor.authorLarina, Liudmila L.ko
dc.contributor.authorYong, Kijungko
dc.contributor.authorRyoo, Ryongko
dc.contributor.authorKo, Seung Hyeonko
dc.contributor.authorChoi, Ho-Sukko
dc.date.accessioned2016-04-20T06:48:14Z-
dc.date.available2016-04-20T06:48:14Z-
dc.date.created2016-01-04-
dc.date.created2016-01-04-
dc.date.issued2016-01-
dc.identifier.citationCARBON, v.96, pp.139 - 144-
dc.identifier.issn0008-6223-
dc.identifier.urihttp://hdl.handle.net/10203/205490-
dc.description.abstractCarbon dot-Au nanoraspberries (Cdot-Au NRs) were synthesized by a simple one-pot process using Cdots as initiators to direct the dendritic growth of Au via room temperature chemical reduction of HAuCl4 by formic acid. We evaluated the resulting Cdot-Au NR as a counter electrode material for ZnO nanowire/CdS/CdSe quantum dot-sensitized solar cells (QDSCs). The counter electrode employing Cdot-Au NRs exhibited higher electrocatalytic activity, lower charger-transfer resistance, and larger exchange current density than commonly used Au-sputtered counter electrodes. The power conversion efficiency of the cell was improved to 5.4%, in comparison to efficiencies of 3.6% and 0.18% shown by cells employing Au-sputtered and Cdot counter electrodes, respectively. These features render Cdot-Au NRs as highly promising counter electrode materials for QDSCs.-
dc.languageEnglish-
dc.publisherPERGAMON-ELSEVIER SCIENCE LTD-
dc.subjectNANOPARTICLES-
dc.subjectEFFICIENCY-
dc.titleFacile synthesis of carbon dot-Au nanoraspberries and their application as high-performance counter electrodes in quantum dot-sensitized solar cells-
dc.typeArticle-
dc.identifier.wosid000366078000018-
dc.identifier.scopusid2-s2.0-84947982582-
dc.type.rimsART-
dc.citation.volume96-
dc.citation.beginningpage139-
dc.citation.endingpage144-
dc.citation.publicationnameCARBON-
dc.identifier.doi10.1016/j.carbon.2015.09.023-
dc.contributor.localauthorRyoo, Ryong-
dc.contributor.nonIdAuthorVan-Duong Dao-
dc.contributor.nonIdAuthorKim, Poeun-
dc.contributor.nonIdAuthorBaek, Seunghyeon-
dc.contributor.nonIdAuthorLarina, Liudmila L.-
dc.contributor.nonIdAuthorYong, Kijung-
dc.contributor.nonIdAuthorKo, Seung Hyeon-
dc.contributor.nonIdAuthorChoi, Ho-Suk-
dc.type.journalArticleArticle-
dc.subject.keywordPlusNANOPARTICLES-
dc.subject.keywordPlusEFFICIENCY-
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