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Comparison between MCM‐41 and Periodic Mesoporous Organosilica: Charge‐Transfer Donor‐Viologen Complexes as Probes
Author(s) -
Álvaro Mercedes,
Ferrer Belén,
Fornés Vicente,
García Hermenegildo
Publication year - 2003
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.200200580
Subject(s) - viologen , mesoporous material , mesoporous organosilica , chemistry , charge (physics) , photochemistry , adsorption , mesoporous silica , charge transfer complex , catalysis , organic chemistry , physics , quantum mechanics
A radical result. Viologen embedded in the walls of the mesoporous silica (see graphic) forms less stable charge‐transfer complexes than when adsorbed onto MCM‐41 and with a red‐shifted λ max . The as‐synthesized material thermally generates the corresponding radical cation.