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Titolo:
Dual-mode electrochromism switched by proton transfer: dynamic redox properties of bis(diarylmethylenium)-type dyes
Autore:
Suzuki, T; Higuchi, H; Ohkita, M; Tsuji, T;
Indirizzi:
Hokkaido Univ, Grad Sch Sci, Div Chem, Sapporo, Hokkaido 0600810, Japan Hokkaido Univ Sapporo Hokkaido Japan 0600810 oro, Hokkaido 0600810, Japan
Titolo Testata:
CHEMICAL COMMUNICATIONS
fascicolo: 17, , anno: 2001,
pagine: 1574 - 1575
SICI:
1359-7345(20010907):17<1574:DESBPT>2.0.ZU;2-E
Fonte:
ISI
Lingua:
ENG
Soggetto:
ELECTRON-DONORS; VIOLENE/CYANINE HYBRIDS; MOLECULAR MACHINES; SYSTEMS; DERIVATIVES; DIMERIZATION; VINYLOGUES; TTF;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
30
Recensione:
Indirizzi per estratti:
Indirizzo: Suzuki, T Hokkaido Univ, Grad Sch Sci, Div Chem, Sapporo, Hokkaido 0600810, Japan Hokkaido Univ Sapporo Hokkaido Japan 0600810 ido 0600810, Japan
Citazione:
T. Suzuki et al., "Dual-mode electrochromism switched by proton transfer: dynamic redox properties of bis(diarylmethylenium)-type dyes", CHEM COMMUN, (17), 2001, pp. 1574-1575

Abstract

Upon oxidative dimerization of pale yellow Ar2C-CHPh 1 (Ar = 4-Me2NC6H4), deep blue 1,4-dication 2(2+) was obtained as a stable salt, which was transformed into I by reductive C-C bond fission; deprotonation of 22+ gave intense yellow diene 3, which was interconvertible with violet dication 4(2+) by two-electron transfer, thus exhibiting two distinct modes of electrochromism before and after proton transfer.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/01/20 alle ore 18:59:49