Graphdiyne: A New Carbon Allotrope for Electrochemiluminescence

被引:45
作者
Gao, Nan [1 ]
Zeng, Hui [1 ]
Wang, Xiaofang [1 ]
Zhang, Yue [1 ]
Zhang, Shuai [1 ]
Cui, Ruwen [1 ]
Zhang, Meining [1 ]
Mao, Lanqun [2 ]
机构
[1] Renmin Univ China, Dept Chem, Key Lab Adv Light Convers Mat & Biophoton, Beijing 100872, Peoples R China
[2] Beijing Normal Univ, Coll Chem, Beijing 100875, Peoples R China
基金
中国国家自然科学基金;
关键词
Carbon Materials; Electrochemiluminescence; Graphdiyne; Luminophores; Surface State; ELECTROGENERATED CHEMILUMINESCENCE; ELECTROCHEMISTRY; EXFOLIATION; NITRIDE; OXIDE; DOTS;
D O I
10.1002/anie.202204485
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Graphdiyne (GDY), a well-known 2D carbon allotrope, demonstrates increasing fantastic performance in various fields owing to its outstanding electronic properties. Owing to its unique properties, electrochemiluminescence (ECL) technology is one powerful tool for understanding fundamental questions and for ultrasensitive sensing and imaging. Here, we firstly find that GDY without any functionalization or treatment shows a strong ECL emission with potassium persulfate (K2S2O8) as coreactant, which is totally different with other carbon allotropes. Mechanistic study indicates that the ECL emission of GDY is generated by the surface state transition. Interestingly, ECL is generated at 705 nm in the near infrared region with an ECL efficiency of 424 % compared to that of Ru(bpy)(3)Cl-2/K2S2O8. The study demonstrates a new character of GDY in ECL investigation and sets the stage for the development of GDY for emerging applications, including imaging and light-emitting devices.
引用
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页数:6
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