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Ion-controlled on-off switch of electron transfer from tetrathiafulvalene calix[4]pyrroles to Li+@C60.
Fukuzumi, Shunichi; Ohkubo, Kei; Kawashima, Yuki; Kim, Dong Sub; Park, Jung Su; Jana, Atanu; Lynch, Vincent M; Kim, Dongho; Sessler, Jonathan L.
Afiliação
  • Fukuzumi S; Department of Material and Life Science, Graduate School of Engineering, Osaka University, and ALCA, Japan Science and Technology, Suita, Osaka 565-0871, Japan. fukuzumi@chem.eng.osaka-u.ac.jp
J Am Chem Soc ; 133(40): 15938-41, 2011 Oct 12.
Article em En | MEDLINE | ID: mdl-21888434
Binding of chloride anion to a tetrathiafulvalene calix[4]pyrrole (TTF-C4P) donor results in ET to Li(+)@C(60) to produce the radical pair (TTF-C4P(•+)/Li(+)@C(60)(•-)), the structure of which was characterized by X-ray crystallographic analysis. The addition of tetraethylammonium cation, which binds more effectively than Li(+)@C(60)(•-) as a guest within the TTF-C4P cavity, leads to electron back-transfer, restoring the initial oxidation states of the donor and acceptor pair.
Assuntos

Texto completo: 1 Base de dados: MEDLINE Assunto principal: Porfirinas / Fulerenos / Calixarenos / Compostos Heterocíclicos / Lítio Idioma: En Ano de publicação: 2011 Tipo de documento: Article

Texto completo: 1 Base de dados: MEDLINE Assunto principal: Porfirinas / Fulerenos / Calixarenos / Compostos Heterocíclicos / Lítio Idioma: En Ano de publicação: 2011 Tipo de documento: Article