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Title: Electronic absorption and emission spectroscopic investigations of the interaction of the fullerenes, C60 and C70, with amines and aromatic molecules
Authors: Rao, C N R
Seshadri, Ram
Govindaraj, A
Mittal, J P
Pal, H
Mukherjee, T
Keywords: Photophysical Properties
Issue Date: 3-Nov-1993
Publisher: Elsevier Science BV
Citation: Journal Of Molecular Structure 300, 289-301 (1993)
Abstract: Electronic absorption spectroscopy and fluorescence spectroscopy have been used to investigate the interaction of the fullerenes C60 and C70 with diethylaniline, and with aromatic solvents such as benzene. C60 interacts weakly with aromatic amines in the ground state while C70 does not interact at all. Steady state fluorescence emission and lifetime measurements show that both C60 and C70 form excited state complexes (exciplexes) with the amines in non-aromatic solvents such as methylcyclohexane, but not in benzene. In benzene, only fluorescence quenching is observed due to the interaction between the pi systems of the aromatic solvent and the fullerene in the ground state. This is also borne out by the systematic study of solvent effects on the absorption and emission spectra of the fullerenes.
Description: Restricted Access
Other Identifiers: 0022-2860
Appears in Collections:Research Papers (Prof. C.N.R. Rao)

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