Abstract
A series of neutral luminescent tetranuclear and mononuclear copper(I) halide complexes, [Cu4I4(dpna)4] (1) and [CuX(dpna)2] dpna = 1-(diphenylphosphino)naphthalene, X = Br (2), Cl (3), were synthesized, and their molecular structures and photophysical properties were investigated. Complex 1 has a cubane-like structure with four Cu atoms pseudo-tetrahedral and four I atoms serving as μ3-bridges. The coordination geometry of the copper centers in 2–3 are trigonal-planar. In the solid state, complexes 1–3 display blue photoluminescence (λmax = 423–463 nm) at 298 K. The emission of the complexes originate from the (σ+X)→π* transition. All three complexes displayed good thermal stability.
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Acknowledgements
This work was supported by the National Natural Science Foundation of China [Grant Number 21671061]; Natural Science Foundation of Hubei Province of China [Grant Number 2013CFA087]; Hubei Province High-End Talent Training Program and the Natural Science Fund for Creative Research Groups of Hubei Province of China [Grant Number 2014CFA015]. W.-Y.W. acknowledges the financial support from the Areas of Excellence Scheme, University Grants Committee of HKSAR, China (AoE/P-03/08) and the Hong Kong Polytechnic University (1-ZE1C).
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Li, Q., Liu, L., Zhong, XX. et al. Synthesis, Characterization and Luminescent Properties of Copper(I) Halide Complexes Containing 1-(Diphenylphosphino)naphthalene. J Inorg Organomet Polym 27 (Suppl 1), 101–109 (2017). https://doi.org/10.1007/s10904-017-0601-1
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DOI: https://doi.org/10.1007/s10904-017-0601-1