Journal
CHEMICAL SCIENCE
Volume 7, Issue 7, Pages 4485-4491Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6sc01254j
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Funding
- National Natural Science Foundation of China [21272287]
- Guangdong Science Foundation [2012A080201007]
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Solution and solid dual photoluminescence (PL) molecules fill the substantial gap between ACQ and AIE molecules to explore the mechanism of molecular luminescence in greater detail and to facilitate practical applications. A unique arch-bridge-like thiazolo[5,4-b] thieno[3,2-e] pyridine moiety is obtained as a stator after the rigidification of rotor 1 by intramolecular H-bonding of ortho -OH or -NH2 to afford two classes of solid and solution dual PL molecules. As a typical example, DF5 is dual PL active. Moreover, the large Stokes shift with high dual PL efficiency (FF up to 51% in the solid state, 80% in DMF, 74% in DMSO, and 100% in water), together with the good thermal stability (T-m > 200 degrees C and T-05 > 200 degrees C), make it more practical for promising optoelectronic and biological applications.
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