具有聚集诱导发光行为的环状多烯类分子OA北大核心CSCDCSTPCD
Cyclic Polyenes with Aggregation-Induced Emission Characteristics
研究了4H-pyrans,fulvenes,siloles等环状多烯结构的小分子荧光染料在溶液,固态及薄层层析板上的荧光发射行为.与大多数传统的荧光染料小分子不同,这些多烯类荧光染料分子在稀溶液中基本没有荧光,而在聚集态下呈现非常明亮的荧光发射,同时伴随着荧光量子效率的大幅提高(聚集诱导发光).它们在薄层层析板上也具有很强的荧光发射.但当薄层层析板暴露于有机溶剂气氛下,荧光消失,离开有机溶剂气氛,荧光恢复,这一可逆过程并可多次重复.在固体状态,它…查看全部>>
Chromophoric cyclic polyenes including 4H-pyrans, fulvenes, and siloles are designed and synthesized.Unlike "conventional" luminescent molecules, these polyenes are practically nonemissive when molecularly dissolved, but become highly luminescent with a dramatic increase in emission efficiency when aggregated (hence "aggregation-induced emission" or ALE). Upon exposure to solvent vapors, their emissions on TLC plates are quenched but become visible again whe…查看全部>>
童辉;董永强;HauBler;Matthias;唐本忠
香港科技大学,化学系,香港香港科技大学,化学系,香港浙江大学,高分子科学与工程系,浙江,杭州,310027香港科技大学,化学系,香港香港科技大学,化学系,香港
数理科学
光致发光聚集诱导发光silolefulvenepyran
photoluminescenceaggregation-induced-emissionsilolefulvenepyran
《发光学报》 2006 (3)
281-284,插1,5
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