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Phys Rev Lett. 2005 Apr 08;94(13):137403. doi: 10.1103/PhysRevLett.94.137403. Epub 2005 Apr 08.

Yield of singlet excitons in organic light-emitting devices: a double modulation photoluminescence-detected magnetic resonance study.

Physical review letters

M-K Lee, M Segal, Z G Soos, J Shinar, M A Baldo

Affiliations

  1. Ames Laboratory - USDOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA.

PMID: 15904034 DOI: 10.1103/PhysRevLett.94.137403

Abstract

Double-modulation (DM) photoluminescence (PL) detected magnetic resonance (PLDMR) measurements on poly(2-methoxy-5-(2(')-ethyl)-hexoxy-1,4-phenylene vinylene) are described. In these measurements, the laser excitation power is modulated at 1

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