Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | 강용수 | - |
dc.date.accessioned | 2018-03-15T07:49:28Z | - |
dc.date.available | 2018-03-15T07:49:28Z | - |
dc.date.issued | 2014-02 | - |
dc.identifier.citation | European Journal of Inorganic Chemistry, 2014, 16, P.2720-2734 | en_US |
dc.identifier.issn | 1434-1948 | - |
dc.identifier.issn | 1099-0682 | - |
dc.identifier.uri | https://onlinelibrary.wiley.com/doi/abs/10.1002/ejic.201402091 | - |
dc.description.abstract | Stable push-pull substituted heteroleptic bis(tridentate) ruthenium(II) polypyridine complexes with COOH or 2,2-bipyridine anchor groups have been prepared and characterized by 1H, 13C and 15N NMR 1D and 2D spectroscopy, infrared spectroscopy, elemental analysis, high-resolution ESI mass spectrometry, electrochemistry, UV/Vis absorption spectroscopy, luminescence spectroscopy, and density functional calculations. The complexes feature a pronounced electronic directionality and high absorption wavelengths up to max = 544 nm extending to 720 nm as a result of favorable push-pull substitutions. A remarkable photostability in the presence of water and coordinating ions (I-) was discovered for the tridentate complexes when compared with the standard ruthenium sensitizer N719 and tris(bidentate) [Ru(bpy)3](PF6)2, which are highly photolabile under the same conditions (photodissociation/photosubstitution). The complexes were studied as photosensitizers in dye-sensitized solar cells. The incident photon-to-current conversion efficiency follows the absorption spectra into the NIR region. However, the high positive charge of the complexes (2+) favors the recombination of the injected electrons with I3- of the redox electrolyte, which is evidenced by high dark currents and short electron recombination lifetimes, leading to low cell performances compared with cells with the negatively charged N719 dye. | en_US |
dc.description.sponsorship | This work was supported by the International Research Training Group (IRTG 1404): Self Organized Materials for Optoelectronics supported by the Deutsche Forschungsgemeinschaft (DFG). | en_US |
dc.language.iso | en | en_US |
dc.publisher | WILEY-V C H VERLAG GMBH | en_US |
dc.subject | Ruthenium | en_US |
dc.subject | Tridentate ligands | en_US |
dc.subject | Sensitizers | en_US |
dc.subject | Photochemistry | en_US |
dc.subject | N ligands | en_US |
dc.subject | SENSITIZED SOLAR-CELLS | en_US |
dc.subject | EMITTING ELECTROCHEMICAL-CELLS | en_US |
dc.subject | NANOCRYSTALLINE TIO2 FILMS | en_US |
dc.subject | TRANSITION-METAL-COMPLEXES | en_US |
dc.subject | EXCITED-STATE | en_US |
dc.subject | PROTON-TRANSFER | en_US |
dc.subject | ELECTROLUMINESCENT DEVICES | en_US |
dc.subject | PHOTOPHYSICAL PROPERTIES | en_US |
dc.subject | RECOMBINATION KINETICS | en_US |
dc.subject | CHARGE RECOMBINATION | en_US |
dc.title | Anchor-Functionalized Push-Pull-Substituted Bis(tridentate) Ruthenium(II) Polypyridine Chromophores: Photostability and Evaluation as Photosensitizers | en_US |
dc.type | Article | en_US |
dc.identifier.doi | 10.1002/ejic.201402091 | - |
dc.relation.page | 2720-2734 | - |
dc.relation.journal | EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | - |
dc.contributor.googleauthor | Breivogel, Aaron | - |
dc.contributor.googleauthor | Wooh, Sanghyuk | - |
dc.contributor.googleauthor | Dietrich, Jan | - |
dc.contributor.googleauthor | Kim, Tea Yon | - |
dc.contributor.googleauthor | Kang, Yong Soo | - |
dc.contributor.googleauthor | Char, Kookheon | - |
dc.contributor.googleauthor | Heinze, Katja | - |
dc.relation.code | 2014029257 | - |
dc.sector.campus | S | - |
dc.sector.daehak | COLLEGE OF ENGINEERING[S] | - |
dc.sector.department | DEPARTMENT OF ENERGY ENGINEERING | - |
dc.identifier.pid | kangys | - |
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