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DC Field | Value | Language |
---|---|---|
dc.citation.endPage | 20332 | - |
dc.citation.number | 46 | - |
dc.citation.startPage | 20326 | - |
dc.citation.title | PHYSICAL CHEMISTRY CHEMICAL PHYSICS | - |
dc.citation.volume | 15 | - |
dc.contributor.author | Dryza, Viktoras | - |
dc.contributor.author | Nguyen, Jessica L. | - |
dc.contributor.author | Kwon, Tae-Hyuk | - |
dc.contributor.author | Wong, Wallace W. H. | - |
dc.contributor.author | Holmes, Andrew B. | - |
dc.contributor.author | Bieske, Evan J. | - |
dc.date.accessioned | 2023-12-22T03:36:25Z | - |
dc.date.available | 2023-12-22T03:36:25Z | - |
dc.date.created | 2014-12-31 | - |
dc.date.issued | 2013-10 | - |
dc.description.abstract | The photophysical behaviour of a triphenylamine-based organic dye sensitizer (Carbz-PAHTDTT) attached to alumina and titania nanoparticles (labelled Carbz-Al and Carbz-Ti, respectively) is examined in the absence and presence of the chenodeoxycholic acid (CDCA) coadsorber. The experiments are conducted in vacuo by suspending the target dye-sensitized nanoparticles within a quadrupole ion trap, where they are probed with laser radiation to obtain emission spectra and time-resolved excited state decay curves. For Carbz-Al, the dye's emission band is blue-shifted and the excited state lifetime is increased upon the coabsorption of CDCA, effects attributed to reduced dye aggregation. Compared to Carbz-Al, the Carbz-Ti excited state lifetimes are significantly shorter due to excited dye molecules injecting electrons into the titania conduction band. For Carbz-Ti, the electron injection quantum yields for the surfaces with CDCA (CDCA : dye = 25 : 1) and without CDCA are estimated to be 0.87 and 0.71, respectively. The gas-phase results demonstrate that Carbz-PAHTDTT dye aggregates are detrimental to the performance of a dye-sensitized solar cell. | - |
dc.identifier.bibliographicCitation | PHYSICAL CHEMISTRY CHEMICAL PHYSICS, v.15, no.46, pp.20326 - 20332 | - |
dc.identifier.doi | 10.1039/c3cp53454e | - |
dc.identifier.issn | 1463-9076 | - |
dc.identifier.scopusid | 2-s2.0-84888321414 | - |
dc.identifier.uri | https://scholarworks.unist.ac.kr/handle/201301/9763 | - |
dc.identifier.url | http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84888321414 | - |
dc.identifier.wosid | 000326747200044 | - |
dc.language | 영어 | - |
dc.publisher | ROYAL SOC CHEMISTRY | - |
dc.title | Photophysics and aggregation effects of a triphenylamine-based dye sensitizer on metal-oxide nanoparticles suspended in an ion trap | - |
dc.type | Article | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.subject.keywordPlus | ELECTRON-TRANSFER DYNAMICS | - |
dc.subject.keywordPlus | SOLAR-CELLS | - |
dc.subject.keywordPlus | PHOTOVOLTAIC PERFORMANCE | - |
dc.subject.keywordPlus | MASS-SPECTROMETRY | - |
dc.subject.keywordPlus | DEOXYCHOLIC-ACID | - |
dc.subject.keywordPlus | QUADRUPOLE TRAP | - |
dc.subject.keywordPlus | ORGANIC-DYES | - |
dc.subject.keywordPlus | TIO2 FILMS |
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dc.subject.keywordPlus | FLUORESCENCE | - |
dc.subject.keywordPlus | EFFICIENCY | - |
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