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The effect of mechano-stimuli on the amorphous-to-crystalline transition of mechanochromic luminescent materials
时间:2016-12-31 17:10:00
分类:CrystEngComm
作品信息

期刊

CrystEngComm

标题

The effect of mechano-stimuli on the amorphous-to-crystalline transition of mechanochromic luminescent materials

作者

Yun Lv, Yang Liu, Xin Ye, Guangfeng Liu and Xutang Tao

摘要

crystallization of a series of tetraphenylethene analogues. Through paired comparisons, we disclosed that the mechano-stimuli can not only destroy the crystallinity of crystalline materials but can also bring a significant effect on the amorphous-to-crystalline transition of amorphous materials. That is, only when an amorphous material underwent mechano-stimuli can it crystallize by thermal annealing to recover its emission. This grinding-facilitated annealing crystallization is rationalized to originate from the twisted and rotatable intramolecular conformation that can be altered by mechano-stimuli. Besides some special usage of the material as security paper or latent memory medium, the study presents new strategies to control the crystallization of organic semiconductors.

原文链接

http://pubs.rsc.org/en/content/articlelanding/2015/ce/c4ce01212g

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