Triplet energy transport of liquid crystalline poly(dodecene sulphone)s

Citation
Cs. Li et al., Triplet energy transport of liquid crystalline poly(dodecene sulphone)s, POLYM BULL, 42(3), 1999, pp. 313-320
Citations number
9
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
POLYMER BULLETIN
ISSN journal
01700839 → ACNP
Volume
42
Issue
3
Year of publication
1999
Pages
313 - 320
Database
ISI
SICI code
0170-0839(199903)42:3<313:TETOLC>2.0.ZU;2-Y
Abstract
The geometric arrangement of liquid crystalline poly(dodecene sulphone)s co ntaining cholestanyl pentenoic ester chemically bonded in the side-chains w as characterized by monitoring the triplet transport via both steady-state emissions and decays of delayed fluorescence and phosphorescence. The incre ase in the mesogenic cholestanyl pentenoic side-chains shows an increase in the heterogeneity exponent or degree of disorder, h, which is greater than zero, suggesting that the explored system exhibits the non-classical diffu sion-limited or fractal-like transport. The value of h is highly sensitive to the ratio of mesogenic to olefinic side-chains.