EPR investigation of excited triplet states in single crystals of charge-transfer complexes of diphenylacetylene-tetracyanobenzene
β Scribed by Luigi Pasimeni; Graziano Guella; Carlo Corvaja
- Publisher
- Elsevier Science
- Year
- 1982
- Weight
- 662 KB
- Volume
- 47
- Category
- Article
- ISSN
- 0022-2364
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π SIMILAR VOLUMES
Photoevated rnplet stares III naphrhaknc-tetmcynnobcnzene smgle crystals were mvesclgstrdat 4.3 K by zero-field optuxdly detected magneuc resonance and at room temperature by conventIonal h&field electron pxamagncuc resonance. The low-tempenuuc cxpenmenrs revealed ;It least three mplct-state traps w
Symmetry propcrttes of CT cwttcd status of some weah donor-acceptor complews xc dtscussed m the contc\t of wbroruc couplmg wrth mtcrmolccul;lr v~bmt~ons The results xc appbcd to the arulys~s of clcctrosbsorptron spcctm of antluaccne-Phl DA
Intermolcsular charge-trnnsfer phosphorescence and fluorescence were observed for the biphenyl single crystal containing 1, 2,4,5tetracyanobenzcne as a guest. In addition, the delayed cliarge-transfer fluorescence due to triplcttrip!et annihilation wns observed for the first time.
chuge-transfer phosphorescence and fluoresccnLe were observed for a blphenyl sqlc crystal contamm:: 1,2,4,S-letracyanobenzenc as a guest at various temperatures between 29 and I 47Β°K The non+.ponenttat phosphorescence decay due to the spm ahgnment m the charge-transfcr\_trlplet state was first obser