Modulated luminescence of zero-dimensional bimetallic all-inorganic halide clusters

Chao Zhang; Xuezhen Feng; Qilin Song; Chaocheng Zhou; Lin Peng; Xiaolin Liu; Hong Chen; Jia Lin

doi:10.1039/D2QI00620K

Modulated luminescence of zero-dimensional bimetallic all-inorganic halide clusters†

Chao Zhang,‡^a Xuezhen Feng,‡^b Qilin Song,^a Chaocheng Zhou,^a Lin Peng,^a Xiaolin Liu,*^a Hong Chen

*^b and Jia Lin

*^a

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* Corresponding authors

^a Department of Physics, Shanghai University of Electric Power, Shanghai 200090, China
E-mail: xlliu@shiep.edu.cn, jlin@shiep.edu.cn

^b Shenzhen Key Laboratory of Interfacial Science and Engineering of Materials, State Environmental Protection Key Laboratory of Integrated Surface Water-Groundwater Pollution Control, Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution Control, School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
E-mail: chenh3@sustech.edu.cn

Abstract

Zero-dimensional (0D) metal halide clusters formed as isolated metal halide polyhedral structures show excellent optical properties and have great potential for various applications in optoelectronic devices. In this study, we reported a series of Rb₈CuB(III)₃Cl₁₈ single crystals (SCs) constructed from Cu(I) and B(III) (B = In, Tb, etc.) containing lead-free bimetallic halide clusters. Density functional theory calculations have been used to explore the thermodynamic stability of the expected bimetallic halide clusters, in which the ionic radius of B(III) trivalent metal cations should be within the range of 0.74 to 0.99 Å in order to form a stable Rb₈CuB(III)₃Cl₁₈ 0D structure in line with the same structure configuration. By analyzing the effects of different B(III) cations on the structural parameters and optical-physical properties, we found that the luminescence of SCs could be modulated by different B(III) cations, while the luminescence originated from the charge transfer from Cu(I) ions to metal-chloride octahedra. This study reported the rational design of novel-structured Cu(I)-based inorganic lead-free metal halide materials, which paves the way for the exploration of new luminescent materials.

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DOI: https://doi.org/10.1039/D2QI00620K
Article type: Research Article
Submitted: 23 Mar 2022
Accepted: 11 Jun 2022
First published: 13 Jun 2022

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Inorg. Chem. Front., 2022,9, 3728-3736

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Modulated luminescence of zero-dimensional bimetallic all-inorganic halide clusters

C. Zhang, X. Feng, Q. Song, C. Zhou, L. Peng, X. Liu, H. Chen and J. Lin, Inorg. Chem. Front., 2022, 9, 3728 DOI: 10.1039/D2QI00620K

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Inorganic Chemistry Frontiers

Modulated luminescence of zero-dimensional bimetallic all-inorganic halide clusters†

Abstract

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Modulated luminescence of zero-dimensional bimetallic all-inorganic halide clusters

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