Family of Robust and Strongly Luminescent Cul-Based Hybrid Networks Made of Ionic and Dative Bonds

被引:61
作者
Artem'ev, Alexander, V [1 ]
Davydova, Maria P. [1 ]
Hei, Xiuze [2 ]
Rakhmanova, Mariana, I [1 ]
Samsonenko, Denis G. [1 ]
Bagryanskaya, Irina Yu [3 ]
Brylev, Konstantin A. [1 ]
Fedin, Vladimir P. [1 ]
Chen, Jia-Shiang [4 ]
Cotlet, Mircea [4 ]
Li, Jing [2 ]
机构
[1] Russian Acad Sci, Nikolaev Inst Inorgan Chem, Siberian Branch, Novosibirsk 630090, Russia
[2] Rutgers State Univ, Dept Chem & Chem Biol, Piscataway, NJ 08854 USA
[3] Russian Acad Sci, Siberian Branch, NN Vorozhtsov Novosibirsk Inst Organ Chem, Novosibirsk 630090, Russia
[4] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA
基金
俄罗斯科学基金会;
关键词
COPPER IODIDE CLUSTERS; HIGHLY EFFICIENT; PHOTOLUMINESCENCE PROPERTIES; THERMOCHROMIC-LUMINESCENCE; COMPLEXES; LIGANDS; TETRANUCLEAR; PHOSPHORS; PYRIDINE; HALIDES;
D O I
10.1021/acs.chemmater.0c03984
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The CuI-derived inorganic-organic hybrid compounds are considered as promising phosphors for the lighting industry. Herein, exploiting N-monoalkylated hexaminium salts, [R-HMTA]X (R = Me, Et, Pr, and propargyl; X = Cl and I), as multibridging ligands, we have designed and synthesized a unique class of one-dimensional and two-dimensional hybrid CuI-materials. The reactions of these salts with CuI give rise to Allin-One (MO) type compounds combining ionic and dative bonds between inorganic and organic components. The latter is formed by structurally unique inorganic [CuxIy]((y-x)-) clusters, chains, or sheets interconnected through [R-HMTA](+) cations via multiple Cu-N bonds. The so-designed compounds at ambient temperature exhibit tunable luminescence spanning from deep blue to red color (lambda(em) = 430-625 nm) with microsecond lifetimes and the quantum efficiency of up to 78%. Remarkably, the MO materials feature nontrivial excitation- (ED) and temperature-dependent (TD) luminescence, allowing their emission color to be finely adjusted from deep blue to red through changing the excitation wavelength and/or temperature. Based on the TD emission spectroscopy and theoretical calculations, a possible mechanism of the luminescence has been proposed. The very interesting luminescence characteristics coupled with good thermal and photostability render these MO hybrid materials possible candidates for applications in energy-efficient lighting devices.
引用
收藏
页码:10708 / 10718
页数:11
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