芘
含时密度泛函理论
分子内力
动态光散射
密度泛函理论
聚集诱导发射
扫描电子显微镜
分子
光化学
材料科学
化学物理
脚手架
化学
化学工程
纳米技术
计算化学
荧光
纳米颗粒
光学
有机化学
复合材料
物理
工程类
生物医学工程
医学
作者
Jagadish Katla,Haamid R. Bhat,Prakash C. Jha,Prasanna S. Ghalsasi,Sriram Kanvah
标识
DOI:10.1002/slct.201700008
摘要
α-cyanostyrenes bearing a pyrene scaffold are synthesized and characterized using spectroscopic techniques. The pyrenyl styrenes are weakly emissive in solution state but show enhanced emission in water due to the formation of aggregates. The restrictions of intramolecular rotations, increased π-π interactions contribute to the strong emission of the dye molecules in the aggregated state. The formation of the aggregates, its size and morphological changes was investigated by using scanning electron microscopy (SEM) and dynamic light scattering (DLS) studies. Time-dependent density-functional theory (TDDFT) studies were also carried out and the results correlate with the experimental observations.
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