Mechanochromic properties in a mononuclear Cu(I) complex without cuprophilic interactions

Xiao Yu; Xiaoyue Li; Zelun Cai; Lingzhi Sun; Chengbo Wang; Haixia Rao; Chen Wei; Zuqiang Bian; Qionghua Jin; Zhiwei Liu

doi:10.1039/D1CC01229K

Mechanochromic properties in a mononuclear Cu(i) complex without cuprophilic interactions†

Xiao Yu,^a Xiaoyue Li,^b Zelun Cai,^b Lingzhi Sun,^a Chengbo Wang,^b Haixia Rao,^b Chen Wei,

^b Zuqiang Bian,

^b Qionghua Jin*^a and Zhiwei Liu

*^b

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* Corresponding authors

^a Department of Chemistry, Capital Normal University, Beijing, China
E-mail: jinqh@mail.cnu.edu.cn

^b Beijing National Laboratory for Molecular Sciences (BNLMS), State Key Laboratory of Rare Earth Materials Chemistry and Applications, Beijing Engineering Technology Research Centre of Active Display, College of Chemistry and Molecular Engineering, Peking University, Beijing, China
E-mail: zwliu@pku.edu.cn

Abstract

Two polymorphs of Cu[(3,4-bis(diphenylphosphino)thiophene)(bis(pyrazol-1-yl)borohydrate)] (1) were isolated. The blue luminescent crystals have evident mechanochromic luminescent (MCL) properties. Based on photophysical and structural analysis, the pore structure in the blue crystals is considered to be the main reason for the MCL properties.

Chemical Communications

Mechanochromic properties in a mononuclear Cu(i) complex without cuprophilic interactions†

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Mechanochromic properties in a mononuclear Cu(I) complex without cuprophilic interactions

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