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Anomalous Shift in the Fluorescence Spectra of a High‐Generation Dendrimer in Nonpolar Solvents
Author(s) -
Devadoss Chelladurai,
Bharathi P.,
Moore Jeffrey S.
Publication year - 1997
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199716331
Subject(s) - dendrimer , cyclohexane , fluorescence , molecule , dipole , photochemistry , spectral line , solvent , chemical physics , pentane , chemistry , materials science , physics , optics , organic chemistry , astronomy
The size and shape of the molecules of the aliphatic hydrocarbon solvent have a strong influence on the magnitude of the anomalous spectral shift in the fluorescence maximum of the charge transfer (CT) state of a high‐generation dendrimer (shown schematically on the right). Its molecules no longer exist in an open extended form but exhibit a compact, globular structure, and the dipole moment of the CT state in pentane is larger than in cyclohexane.