Electrostatic Assembly of Dendrimer Electrolytes: Negatively and Positively Charged Dendrimer Porphyrins

Carboxylate and ammonium functionalities—32 of each—facilitate electrostatic interaction between oppositely charged dendrimer electrolytes and porphyrin cores, which leads in protic media to a supramolecular, fluorescence‐active aggregate of two chromophores that communicate and have a predictable t...

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Bibliographic Details
Published inAngewandte Chemie (International ed.) Vol. 37; no. 11; pp. 1531 - 1534
Main Authors Tomioka, Nobuyuki, Takasu, Daisuke, Takahashi, Toshie, Aida, Takuzo
Format Journal Article
LanguageEnglish
Published Weinheim WILEY-VCH Verlag GmbH 19.06.1998
WILEY‐VCH Verlag GmbH
Subjects
Dendrimers
Electrostatic interactions
Energy transfer
Photochemistry
Porphyrinoid
Electrostatic interactions
Dendrimers
Porphyrinoid
Energy transfer
Photochemistry
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Summary:Carboxylate and ammonium functionalities—32 of each—facilitate electrostatic interaction between oppositely charged dendrimer electrolytes and porphyrin cores, which leads in protic media to a supramolecular, fluorescence‐active aggregate of two chromophores that communicate and have a predictable topology (see drawing on the right; A=acceptor, D=donor). In contrast to the complexation of linear polyelectrolytes, the contact area for the two dendrimer molecules is very limited, just as one would expect for an assembly of spherical molecules.
Bibliography:ark:/67375/WNG-7X87MVRT-W
istex:69E2F2972AFD613B9C723C55B49275738C822871
ArticleID:ANIE1531
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1433-7851
1521-3773
DOI:10.1002/(SICI)1521-3773(19980619)37:11<1531::AID-ANIE1531>3.0.CO;2-T