Synthesis and light-emitting properties of poly(carbazolylacetylenes)

Priscilla Pui Sze Lee, Yanhou Geng, Hoi Sing Kwok, Ben Zhong Tang

Research output: Contribution to journalConference article published in journalpeer-review

40 Citations (Scopus)

Abstract

A group of new carbazole-containing polyacetylenes, poly[n-(9-carbazolyl)-1-alkynes] [m = n-2; m = 3 (P2a), 9 (P2b)], poly[5-(3,6-dibromo-9-carbazolyl)-1-pentyne] (P3a), and poly[n-(9-carbazolyl)-1-chloro-1-alkynes] [m = n-2; m = 3 (P4a), m = 9 (P4b)], have been synthesized using WCl6-Ph4Sn and MoCl5-Ph4Sn as catalysts. High molecular weight (up to 500 000) polymers have been obtained in high yields (up to 80%). The molecular structures of the polymers are characterized by spectroscopic methods. All the monomers except (P2a) are highly luminescent. The polymer with a long spacer length (P2b) emits intense deep-blue light when excited at 295 nm.

Original languageEnglish
Pages (from-to)149-151
Number of pages3
JournalThin Solid Films
Volume363
Issue number1
DOIs
Publication statusPublished - 1 Mar 2000
EventThe Asia-Pacific Symposium on Organic Electroluminescent Materials and Devices - Hong Kong, Hong Kong
Duration: 8 Jun 199911 Jun 1999

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