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	Tetraphenylethene modified beta-ketoiminate boron complexes bearing aggregation-induced emission and mechanofluorochromism
	Gao, Huaizhi; Xu, Defang; Liu, Xingliang; Han, Aixia; Zhou, Lin; Zhang, Chao; Yang, Yan; Li, Wenlin
第一作者	Gao, Huaizhi
	2017
发表期刊	RSC ADVANCES
ISSN	2046-2069
卷号	7期号:3页码:1348-1356
摘要	Two new tetraphenylethene modified beta-ketoiminate boron complexes (TTPE-H and TTPE-CN) have been rationally designed and successfully synthesized. The two D-pi-A type compounds exhibit typical twisted intramolecular charge-transfer (TICT) emission and evident aggregation-induced emission (AIE) characteristics, remarkable luminescence mechanochromism, and high solid state efficiency (up to 0.785 and 0.672). The mechanofluorochromic (MFC) behaviors of TTPE-H (from bright green to yellow-green emission, lambda(em) from 497 to 515 nm) and TTPE-CN (from bright yellow-green to yellow emission, lem from 525 to 565 nm) are reversible upon grinding and fuming treatments. From the X-ray diffraction and differential scanning calorimetry analyses, it was confirmed that the MFC properties of TTPE-H and TTPE-CN should be derived from a phase transition between crystalline and amorphous states. More interestingly, the compound TTPE-CN, which possesses a cyano group in the boron chelating ring, showed more contrast MFC behavior relative to TTPE-H. The reason is that the introduction of the cyano group can enhance the distortion degree of the molecule TTPE-CN because of steric hindrance.
DOI	10.1039/c6ra25871a
语种	英语
引用统计
文献类型	期刊论文
条目标识符	http://ir.isl.ac.cn/handle/363002/6188
专题	青海盐湖研究所知识仓储
推荐引用方式 GB/T 7714	Gao, Huaizhi,Xu, Defang,Liu, Xingliang,et al. Tetraphenylethene modified beta-ketoiminate boron complexes bearing aggregation-induced emission and mechanofluorochromism[J]. RSC ADVANCES,2017,7(3):1348-1356.
APA	Gao, Huaizhi.,Xu, Defang.,Liu, Xingliang.,Han, Aixia.,Zhou, Lin.,...&Li, Wenlin.(2017).Tetraphenylethene modified beta-ketoiminate boron complexes bearing aggregation-induced emission and mechanofluorochromism.RSC ADVANCES,7(3),1348-1356.
MLA	Gao, Huaizhi,et al."Tetraphenylethene modified beta-ketoiminate boron complexes bearing aggregation-induced emission and mechanofluorochromism".RSC ADVANCES 7.3(2017):1348-1356.

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文件名称/大小	文献类型	版本类型	开放类型	使用许可
Tetraphenylethene mo（737KB）	期刊论文	出版稿	开放获取	CC BY-NC-SA	浏览 请求全文

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