Facile synthesis of sulfur-doped graphene quantum dots as fluorescent sensing probes for Ag⁺ ions detection

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• 作者：Shiyue Bian¹ ; Chao Shen¹ ; Yuting Qian ; Jiyang Liu ; Fengna Xi ; ^{fengnaxi@zstu.edu.cn}Author Vitae ; Xiaoping Dong ; ^{xpdong@zstu.edu.cn}
• 关键词：Sulfur-doped ; Graphene quantum dots ; Ag+ ; Fluorescent probe ; Selective detection
• 刊名：Sensors and Actuators B: Chemical
• 出版年：2017
• 出版时间：April 2017
• 年：2017
• 卷：242
• 期：Complete
• 页码：231-237
• 全文大小：2161 K
• 卷排序：242

文摘

One-step synthesis of S-GQDs was developed. Successful doping of S atom in GQDs was proven. S-GQDs exhibited monolayer-graphene thickness and high crystallinity. Facile and direct fluorescence sensor for sensitive detection of Ag+ was achieved.