利用邻-碳硼烷可变的C-C键实现发光分子从ACQ到AIE转变
Transform ACQ Luminophores to AIEgens via Engineering the Variable C-C Bonds of o-Carboranes in Fluorescent Cores
作者单位E-mail
陈伟 南京大学化学化工学院, 南京 210023  
燕森博 河海大学力学与材料学院, 南京 210000  
燕红 南京大学化学化工学院, 南京 210023 hyan1965@nju.edu.cn 
芦昌盛 南京大学化学化工学院, 南京 210023
南京大学国家级化学实验教学示范中心, 南京 210023 
luchsh@nju.edu.cn 
摘要: 利用邻-碳硼烷骨架中可变的C-C键,将在聚集态会发生猝灭(ACQ)的传统发光分子和具有振动自由度的碳硼烷基团连接起来,合成了带有聚集诱导发光(AIE)效应的邻-碳硼烷基发光分子。通过紫外可见吸收光谱、DFT计算、发射光谱及晶体结构测定等手段,研究了邻-碳硼烷可变的C-C键对化合物性质的影响。结果表明,在邻-碳硼烷骨架的碳原子上引入不同的取代基可以改变C-C键的振动特性,从而能够调控化合物的发光性质,并有效实现从ACQ到AIE的转变。
关键词: 碳硼烷  聚集诱导猝灭  聚集诱导发光
基金项目: 国家自然科学基金(No.21472086,21531004,2013CB922101)资助项目。
Abstract: The variable C-C bond of o-carborane cage was treated as a vibrational factor. A temptation to synthesize AIE-active o-carborane luminophores were carried out via coupling o-carborane with conventional luminophores who suffered from ACQ (aggregation-caused quenching) effect. Meanwhile, the photophysical properties were investigated by UV-Vis spectra, DFT calculations, PL spectra and crystal structure analysis. The results indicate that different substituents (H, ethyl and phenyl) in o-carboranes could remarkably affect its vibration performance. Ultimately, photophysical properties can be tuned from ACQ to AIE.
Keywords: carborane  aggregation-caused quenching  aggregation-induced emission
投稿时间:2018-04-23 修订日期:2018-05-20
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陈伟,燕森博,燕红,芦昌盛.利用邻-碳硼烷可变的C-C键实现发光分子从ACQ到AIE转变[J].无机化学学报,2018,34(8):1413-1420.
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