One-dimensional infinite chain Ag(I) complex with high quantum yield and TADF property: prepared by metal ion adjustment

Zhen-Zhou Sun; Fu-Zhen Hu; Cheng-Jie Gao; Wen-Long Mou; Guo Wang; Ning Zhu; Xun Pan; Zhong-Feng Li; Hong-Liang Han; Hongbing Fu; Xiu-Lan Xin; Lixiong Dai; Qiong-Hua Jin; Qi-Ming Qiu

doi:10.1039/D3CE00764B

One-dimensional infinite chain Ag(i) complex with high quantum yield and TADF property: prepared by metal ion adjustment†

Zhen-Zhou Sun,‡^a Fu-Zhen Hu,‡^a Cheng-Jie Gao,‡^a Wen-Long Mou,^a Guo Wang,^a Ning Zhu,^a Xun Pan,^a Zhong-Feng Li,^a Hong-Liang Han,^a Hongbing Fu,^a Xiu-Lan Xin,*^b Lixiong Dai,

*^c Qiong-Hua Jin

*^adef and Qi-Ming Qiu

^g

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* Corresponding authors

^a Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing 100048, China
E-mail: jinqh@cnu.edu.cn, jinqh204@163.com

^b School of Light Industry, Beijing Technology and Business University, Beijing 100048, China

^c Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, China
E-mail: dailx@ucas.ac.cn

^d State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter, Chinese Academy of Science Fuzhou, Fujian 350002, China

^e Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University, Tianjin 300071, China

^f State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China

^g School of Science, China University of Geosciences, Beijing 100083, China

Abstract

Four complexes with different metal ions were synthesized. The new Ag(I) complex [Ag(bdppmapy)(Dpq)]CF₃SO₃ (AgDpq) with one-dimensional infinite chain exhibited excellent photophysical properties, superior to that of the homologue Cu(I) complex. Besides, it also demonstrated highly efficient thermally activated delayed fluorescence (TADF) property. For the Ag(I) complex, the smaller contribution of metal to the excited states (MLCT %), which reduces the non-radiative transition, plays an important role in the improvement of quantum yield.

CrystEngComm

One-dimensional infinite chain Ag(i) complex with high quantum yield and TADF property: prepared by metal ion adjustment†

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One-dimensional infinite chain Ag(I) complex with high quantum yield and TADF property: prepared by metal ion adjustment

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