ALTERNATING COPOLYMERS CONSISTING OF ARYLALKYL METHACRYLATES .3. PHOSPHORESCENCE OF POLY(ARYLALKYL-METHACRYLATE-ALT-STYRENE) IN A RIGID SOLUTION

Authors
ITOH Y INOUE M HACHIMORI A ABE K
Citation
Y. Itoh et al., ALTERNATING COPOLYMERS CONSISTING OF ARYLALKYL METHACRYLATES .3. PHOSPHORESCENCE OF POLY(ARYLALKYL-METHACRYLATE-ALT-STYRENE) IN A RIGID SOLUTION, Polymers for advanced technologies, 8(1), 1997, pp. 35-38
Citations number
14
Categorie Soggetti
Polymer Sciences
Journal title
Polymers for advanced technologies → ACNP
ISSN journal
10427147
Volume
8
Issue
1
Year of publication
1997
Pages
35 - 38
Database
ISI
SICI code
1042-7147(1997)8:1<35:ACCOAM>2.0.ZU;2-0
Abstract
Delayed emission was observed for alternating and random copolymers of 9-phenanthrylmethyl methacrylate and 2-(9-carbazolyl)ethyl methacryla te with styrene in a rigid solution at 77 K. All the copolymers showed monomeric phosphorescence and delayed fluorescence, indicating the ab sence of deep trap sites in either the excited singlet or triplet stat es. The delayed fluorescence was more pronounced for the random copoly mers with higher chromophore contents than that for the alternating co polymers. Hence, the interchromophore distance is crucial for efficien t triplet-state energy migration.