期刊
SYNTHETIC METALS
卷 159, 期 7-8, 页码 729-734出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.synthmet.2008.12.027
关键词
Indole; Carbazole; Glass; Triplet energy
资金
- National Science Council of Taiwan
- Mediatek fellowship
New indole-carbazole hybrids are reported as glass-forming high-triplet-energy materials. They were synthesized by the tandem addition-elimination-(Michael) addition reaction of 9-ethyl-9H-carbazole-3-carbaldehyde with 1H-indole or 2-phenyl-1H-indole followed by alkylation with the different agents. The synthesized compounds exhibit moderate thermal stabilities with 5% weight loss temperatures ranging from 281 to 308 degrees C. Their glass transition temperatures are in the range of 89-143 degrees C. Most of the new indole-carbazole hybrids in dilute solutions exhibit high triplet energies (2.97-2.99 eV). (C) 2009 Elsevier B.V. All rights reserved.
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