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author:

Yang, Zhen-Cong (Yang, Zhen-Cong.) [1] | Song, Kai-Yue (Song, Kai-Yue.) [2] | Zhou, Pan-Ke (Zhou, Pan-Ke.) [3] | Zong, Lu-Lu (Zong, Lu-Lu.) [4] | Li, Hao-Hong (Li, Hao-Hong.) [5] (Scholars:李浩宏) | Chen, Zhi-Rong (Chen, Zhi-Rong.) [6] (Scholars:陈之荣) | Jiang, Rong (Jiang, Rong.) [7] (Scholars:姜蓉)

Indexed by:

SCIE

Abstract:

Two new copper(i) iodide-based hybrids, i.e. (Py3P-O-PPy3)(Cu2I4) (1) and (Py3P-O-PPy3)(Cu4I6) (2) (Py = pyrrolidine), have been prepared, in which the tripodal diphosphonium (Py3P-O-PPy3)(2+) is in situ generated in the one-pot synthesis. The disordered (Cu4I6)(2-) tetramers are rare with two sets of tetracuprate centers. Interestingly, 1 exhibits sensitive luminescence mechanochromism, which is ascribed to the disturbed cuprophilic Cu...Cu interactions and the crystalline packing adjustment by destroying C-H...I hydrogen bonds during mechanical force. In particular, the luminescence thermochromism is unique, whose fluorescence intensity is strengthened with the elevated temperature. This could be due to the S-2-S-1 internal conversion on the linear P-O-P backbone, which will be bent upon heating. Simultaneous luminescence thermo/mechanochromism can also be monitored in 1. However, no luminescence thermo/mechanochromic performances can be detected in 2, so the luminescence thermo/mechanochromism of 1 could be quenched with DMF. The conclusions in this work might provide a new large-scale synthesis strategy for intelligent responsive luminescent materials.

Keyword:

Community:

  • [ 1 ] [Yang, Zhen-Cong]Fuzhou Univ, Coll Chem, Fuzhou 350108, Fujian, Peoples R China
  • [ 2 ] [Song, Kai-Yue]Fuzhou Univ, Coll Chem, Fuzhou 350108, Fujian, Peoples R China
  • [ 3 ] [Zhou, Pan-Ke]Fuzhou Univ, Coll Chem, Fuzhou 350108, Fujian, Peoples R China
  • [ 4 ] [Zong, Lu-Lu]Fuzhou Univ, Coll Chem, Fuzhou 350108, Fujian, Peoples R China
  • [ 5 ] [Li, Hao-Hong]Fuzhou Univ, Coll Chem, Fuzhou 350108, Fujian, Peoples R China
  • [ 6 ] [Chen, Zhi-Rong]Fuzhou Univ, Coll Chem, Fuzhou 350108, Fujian, Peoples R China
  • [ 7 ] [Jiang, Rong]Fuzhou Univ, Coll Chem, Fuzhou 350108, Fujian, Peoples R China
  • [ 8 ] [Li, Hao-Hong]Fuzhou Univ, Fujian Engn Res Ctr Adv Mfg Technol Fine Chem, Fuzhou 350108, Fujian, Peoples R China
  • [ 9 ] [Chen, Zhi-Rong]Fuzhou Univ, Fujian Engn Res Ctr Adv Mfg Technol Fine Chem, Fuzhou 350108, Fujian, Peoples R China

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Source :

CRYSTENGCOMM

ISSN: 1466-8033

Year: 2022

Issue: 27

Volume: 24

Page: 4940-4947

3 . 1

JCR@2022

2 . 6 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:74

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 7

SCOPUS Cited Count: 7

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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