期刊
JOURNAL OF MATERIALS CHEMISTRY C
卷 4, 期 25, 页码 6117-6130出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6tc01260d
关键词
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资金
- Science and Engineering Board (SERB), DST, Govt. of India [SB/S1/PC-37/2012]
- Board of Research in Nuclear Sciences-Department of Atomic Energy (BRNS-DAE) [2012/34/31/BRNS/1039]
Star-shaped molecules with a central triazine core appended with three 1,3,4-oxadiazole arms have been designed with the variation in the number, length and pattern of peripheral chain substitution. These compounds were investigated for their thermal, electrochemical and photophysical behavior. These nonconventional molecules stabilized wide range columnar phases and demonstrated how one can tune the liquid crystal self-assembly through simple structural modification. The photophysical properties of these star shaped molecules are extremely dependent on the number and pattern of peripheral chain substitution. These compounds exhibit blue and green luminescence in the solid/liquid crystal state. The ability to overcome aggregation induced quenching is due to the favorable packing of these molecules in the solid state. These solid-state emissive materials with good thermal stability and lower band gap may find applications in the construction of emissive displays and organic lasers.
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