DC Field | Value | Language |
---|---|---|
dc.contributor.author | Zhan, Xuan | ko |
dc.contributor.author | Zini, Yael | ko |
dc.contributor.author | Fridman, Natalia | ko |
dc.contributor.author | Chen, Qiu-Cheng | ko |
dc.contributor.author | Churchill, David G. | ko |
dc.contributor.author | Gross, Zeev | ko |
dc.date.accessioned | 2020-05-14T08:20:31Z | - |
dc.date.available | 2020-05-14T08:20:31Z | - |
dc.date.created | 2019-12-30 | - |
dc.date.created | 2019-12-30 | - |
dc.date.created | 2019-12-30 | - |
dc.date.issued | 2020-01 | - |
dc.identifier.citation | CHEMPLUSCHEM, v.81, no.1, pp.163 - 168 | - |
dc.identifier.issn | 2192-6506 | - |
dc.identifier.uri | http://hdl.handle.net/10203/274200 | - |
dc.description.abstract | Bromination of tris- and tetrakis-trifluoromethylated gallium corroles (3CF(3)-Ga and 4CF(3)-Ga) afforded tetrabrominated species 3CF(3)-4Br-Ga and 4CF(3)-4Br-Ga (yields: 20 % and 25 %) characterized by NMR, UV-vis spectroscopy, and mass spectrometry. Red-shifted absorption and emission bands were found; 3CF(3)-4Br-Ga and 4CF(3)-4Br-Ga displayed 5-12 nm shifts in their Soret bands and 8-17 nm shifts for their Q bands, compared to the respective nonbrominated species (3CF(3)-Ga and 4CF(3)-Ga). The respective phi(F) values were found to be 0.013 and 0.016; phosphorescence (lifetime=0.23 mu s) was observed for 3CF(3)-4Br-Ga (anaerobic, RT). The effect of tetrabromination on redox potentials (0.89 and 0.99 V) gave a 85 mV shift per Br atom in the reduction potential. 4CF(3)-4Br-Ga allows for efficient catalytic photooxidative Br- to Br-2 conversion compared to the beta-octa-Br system (Br-8-Ga) structurally characterized here. This "hetero-multifunctionalization" approach, that is, is substitution with different sets of beta-substituents, can help optimize porphyrinoid properties. | - |
dc.language | English | - |
dc.publisher | WILEY-V C H VERLAG GMBH | - |
dc.title | "Hetero-Multifunctionalization" of Gallium Corroles: Facile Synthesis, Phosphorescence, Redox Tuning, and Photooxidative Catalytic Improvement | - |
dc.type | Article | - |
dc.identifier.wosid | 000502166600001 | - |
dc.identifier.scopusid | 2-s2.0-85076424579 | - |
dc.type.rims | ART | - |
dc.citation.volume | 81 | - |
dc.citation.issue | 1 | - |
dc.citation.beginningpage | 163 | - |
dc.citation.endingpage | 168 | - |
dc.citation.publicationname | CHEMPLUSCHEM | - |
dc.identifier.doi | 10.1002/cplu.201900667 | - |
dc.contributor.localauthor | Churchill, David G. | - |
dc.contributor.nonIdAuthor | Zhan, Xuan | - |
dc.contributor.nonIdAuthor | Zini, Yael | - |
dc.contributor.nonIdAuthor | Fridman, Natalia | - |
dc.contributor.nonIdAuthor | Chen, Qiu-Cheng | - |
dc.contributor.nonIdAuthor | Gross, Zeev | - |
dc.description.isOpenAccess | N | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordAuthor | beta-substitution | - |
dc.subject.keywordAuthor | corroles | - |
dc.subject.keywordAuthor | oxidation | - |
dc.subject.keywordAuthor | phosphorescence | - |
dc.subject.keywordAuthor | photocatalysis | - |
dc.subject.keywordPlus | NEAR-IR PHOSPHORESCENCE | - |
dc.subject.keywordPlus | EVOLUTION | - |
dc.subject.keywordPlus | ELECTROCHEMISTRY | - |
dc.subject.keywordPlus | METALLOCORROLES | - |
dc.subject.keywordPlus | PHOTOCATALYSTS | - |
dc.subject.keywordPlus | SPECTROSCOPY | - |
dc.subject.keywordPlus | BROMINATION | - |
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