Ultrafast synthesis of Au(I)-dodecanethiolate nanotubes for advanced Hg(2+) sensor electrodes.
In this work, an ultrafast and facile method is developed to synthesize Au(I)-dodecanethiolate nanotubes (Au(I)NTs) with the assistance of glycyl-glycyl-glycine (G-G-G). Transmission electron microscopy (TEM) images reveal that the as-prepared Au(I)NTs can be obtained in a 2-h reaction instead of a previous 24-h reaction and are uniform with a hollow structure and smooth surface by virtue of the G-G-G peptide tubular template. According to structural analysis, a possible preparative mechanism is proposed that the G-G-G peptide could help to curl into tube-like morphology in alkaline situation spontaneously to accelerate the formation of Au(I)NTs. Meanwhile, PVDF-stabilized Au(I)NT-modified glassy carbon electrodes present their promising potential for Hg(2+) detection.
College of Material Science and Engineering, Chongqing University, Chongqing 400044, People's Republic of China.
Zhiqiang
Z
Zhang
College of Material Science and Engineering, Chongqing University, Chongqing 400044, People's Republic of China.
Congcong
C
Ma
College of Material Science and Engineering, Chongqing University, Chongqing 400044, People's Republic of China.
Lian
L
He
College of Material Science and Engineering, Chongqing University, Chongqing 400044, People's Republic of China.
Shijin
S
Zhu
College of Material Science and Engineering, Chongqing University, Chongqing 400044, People's Republic of China.
Xiaodong
X
Hao
Key Laboratory of Multi-scale Manufacturing Technology, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, People's Republic of China.
Wanyi
W
Xie
Key Laboratory of Multi-scale Manufacturing Technology, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, People's Republic of China.
Wei
W
Zhang
College of Material Science and Engineering, Chongqing University, Chongqing 400044, People's Republic of China ; National Key Laboratory of Fundamental Science of Micro/Nano-Devices and System Technology, Chongqing University, Chongqing 400044, People's Republic of China.
Yuxin
Y
Zhang
Functional; Multilayer structure; Nanocomposite; Self-assembly; Sensor