期刊
JOURNAL OF MATERIALS CHEMISTRY C
卷 1, 期 4, 页码 744-750出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2tc00111j
关键词
-
资金
- NSF of China [21271173/20973171]
An organic molecular system with proton-tunable photoluminescence properties based on a mono-substituted bipyridinium derivative 1-(3-carboxybenzyl)-4,4'-bipyridinium chloride, which possesses both pyridine and carboxylic acid groups as proton-responsive units, has been developed. Through controlling the pH value of the self-assembled systems, three compounds with different degrees of protonation have been obtained. These compounds display distinctly different luminescence behaviors and undergo solid-state structural conversion in response to changes in pH values. In particular, luminescence switching triggered by acid-base vapor can be realized.
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