J. Phys. Chem. C 2007, 111, 10119-10129
10119
Electric Field Effects on Internal Conversion: An Alternative Mechanism for Field-Induced Fluorescence Quenching of MEH-PPV and Its Oligomers in the Low Concentration Limit Timothy M. Smith,*,† Jung Kim,‡ and Linda A. Peteanu* Department of Chemistry Carnegie Mellon UniVersity 4400 Fifth AVenue, Pittsburgh PennsylVania 15213
Jurjen Wildeman Department of Polymer Chemistry, Zernike Institute for AdVanced Materials, UniVersity of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands ReceiVed: February 26, 2007; In Final Form: April 20, 2007
In a previously published study (J. Phys. Chem. B 2006, 110, 7732-7742), we reported field-induced fluorescence quenching in both poly[2-methoxy,5-(2′-ethylhexyloxy)-1,4-phenylene vinylene] (MEH-PPV) and several model oligomers in solvent glass matrices at high dilution (
