Reversal aggregation-induced circular dichroism from axial chirality transfer via self-assembled helical nanowires
Reversal aggregation-induced circular dichroism from axial chirality transfer via self-assembled helical nanowires
复制标题
通过自组装螺旋纳米线的轴向手性转移产生反转聚集诱导的圆二色性
DOI:
10.1039/c7ra00703e
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发表时间:
2017-03
期刊:
影响因子:
3.9
通讯作者:
Yixiang Chen
中科院分区:
文献类型:
--
作者:
F;ian Meng;Yuan Sheng;Fei Li;Chengjian Zhu;Yiwu Quan;Yixiang Chen
Two chiral binaphthyl-based enantiomers, (R/S)-7, were designed and synthesized by Sonogashira cross-coupling reaction of AIE-active TPE and O-BOPHY. Interestingly, the resulting (R/S)-7 can exhibit emission enlargement response in DCM/hexane mixtures due to AIE behavior, but fluorescence quenching in THF/H2O mixtures due to ACQ effect. (R/S)-7 can produce gradual reversal AICD (aggregation-induced circular dichroism) signals from solution to aggregation, which can be attributed to axial chirality transfer to self-assembled helical nanowires in aggregation state.
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