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Exciplexes photonics on the silica surface

Exciplexes photonics on the silica surface Processes of photoinduced electron transfer and formation of bimolecular complexes on the surface of nonporous dispersed silica and aerosil have been explored. Complexes of the two types, with a dissociative (acene + electron donor) and a stable (acene + acceptor) ground state have been obtained. Formation of the anthracene-N,N-diethylaniline exciplex on the surface proceeds in a diffusion mode. Increasing the quencher concentration to σ = 1% is accompanied by exciplex formation. Formation and stabilization of Mullican’s (dark) complexes has been noted with σ = 10%. The reaction of complexation on the surface is stimulated by heating. A suggestion of CTC localization in places of the highest energetic uniformity of the surface has been made. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Exciplexes photonics on the silica surface

Research on Chemical Intermediates , Volume 19 (4) – Mar 14, 2009

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References (14)

Publisher
Springer Journals
Copyright
Copyright
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
DOI
10.1163/156856793X00172
Publisher site
See Article on Publisher Site

Abstract

Processes of photoinduced electron transfer and formation of bimolecular complexes on the surface of nonporous dispersed silica and aerosil have been explored. Complexes of the two types, with a dissociative (acene + electron donor) and a stable (acene + acceptor) ground state have been obtained. Formation of the anthracene-N,N-diethylaniline exciplex on the surface proceeds in a diffusion mode. Increasing the quencher concentration to σ = 1% is accompanied by exciplex formation. Formation and stabilization of Mullican’s (dark) complexes has been noted with σ = 10%. The reaction of complexation on the surface is stimulated by heating. A suggestion of CTC localization in places of the highest energetic uniformity of the surface has been made.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Mar 14, 2009

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