Tunable White Light Emission of a Metal-Organic Framework Based on a Bisquinoxaline Derivative by Introducing Red-Green Cationic Dyes

被引:5
作者
Chen, Yuan [1 ]
Yin, Xue [2 ]
Chen, Zi-ke [2 ]
Wang, Peng-min [1 ]
Li, Bao [1 ,3 ]
机构
[1] Huazhong Univ Sci & Technol, Semicond Chem Ctr, Sch Chem & Chem Engn, Key Lab Mat Chem Energy Convers & Storage,Hubei Ke, Wuhan 430074, Hubei, Peoples R China
[2] Hubei Changjiang New Mat Res & Design Inst Co Ltd, Wuhan 430073, Hubei, Peoples R China
[3] Jiangxi Univ Sci & Technol, Jiangxi Prov Key Lab Funct Mol Mat Chem, Ganzhou 341000, Jiangxi, Peoples R China
基金
中国国家自然科学基金;
关键词
PROGRESS; DESIGN;
D O I
10.1021/acs.inorgchem.3c00905
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Ananionic MOF consisting of a bisquinoxaline derivativecould encapsulate cationic dyes to exhibit white light emission. The unique structural advantages give metal-organicframeworks(MOFs) a special use as host substrates to encapsulate organic dyes,which would result in specific host-guest composites for white-lightphosphors. In this work, an anionic MOF exhibiting blue emission wasconstructed using bisquinoxaline derivatives as photoactive centers,which could effectively encapsulate rhodamine B (Rh B) and acriflavine(AF) to form an In-MOF & SUP; Rh B/AF composite. By simply adjustingthe amount of Rh B and AF, the emitting color of the resulting compositecould be easily adjusted. The formed In-MOF & SUP; Rh B/AF compositeexhibits broadband white light emission with ideal Commission Internationaled'Eclairage (CIE) coordinates of (0.34, 0.35), a color renderingindex of 80.8, and a moderately correlated color temperature valueof 5193.96 K. This strategy can be easily extended to other blue-emittingMOFs and dyes, thus opening up new prospects for the development ofwhite-light-emitting materials.
引用
收藏
页码:10626 / 10634
页数:9
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