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zhangwei章薇

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Interestingly, the fluorescence colours of the pressed FC10 and FC12 samples can remain almost unchanged over 5 min at room temperature, which allows the spectral
measurement. The phenomena that piezochromic luminescence can retain a relatively longer time using the KBr-diluted sample than the pure solid was observed by us in the previous long alkyl-containing PFC materials.25 This implies that the KBr matrix could decrease the molecular motion of the dispersed fluorophores and delay the recovery process. These observations suggest that we have not only obtained a new class of PFC materials with cruciform configuration, but also realized the tunable thermal-recovering behaviour by changing the N-alkyl lengths.
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RXMCDM: 金币+1, 多谢应助! 2014-10-09 14:53:49
zhangwei章薇: 金币+10, 翻译EPI+1 2014-10-09 17:38:42
有趣的是,在室温下按压FC10和FC12样品的荧光颜色可保持在5分钟内不变,这样便可以进行光谱测量。用溴化钾稀释的样品比纯的固体样品可以使压电铬酸发光保持相对更长的时间这一现象,是由我们在以前用含长烷基的PFC材料中观察到的【25】。这意味着,溴化钾基质可以降低分散荧光体的分子运动,延缓恢复过程。这些观察表明,我们不仅得到一类新的具有十字形结构的PFC材料,还通过改变N个烷基的长度实现了可调的热回收特性。
2楼2014-10-09 11:15:20
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