Complex-surfactant-assisted hydrothermal synthesis and properties of hierarchical worm-like cobalt sulfide microtubes assembled by hexagonal nanoplates.
The preparation of exquisite hierarchical worm-like Co(1-x)S (x = 0.75) microtubes by a one-pot complex-surfactant-assisted hydrothermal method is successfully achieved for the first time. The hierarchical structures of the microtube wall are assembled from numerous interleaving hexagonal nanoplates. X-ray diffraction, X-ray photoelectron spectroscopy, scanning electron microscopy, transmission electron microscopy, and high-resolution transmission electron microscopy were used to characterize the samples. The experimental results indicate that the "soft template" surfactant cetyltrimethylammonium bromide and the chelating ethylenediamine both play important roles for the formation of hierarchical Co(1-x)S microtubes. A possible formation mechanism for the growth processes is proposed. Additionally, the electrochemical and magnetic properties of Co(1-x)S microtubes were systematically studied.
Liu
Bo
B
Department of Chemistry, Northeast Normal University, Changchun 130024, China.
Wei
Shuang
S
Xing
Yan
Y
Liu
Dan
D
Shi
Zhan
Z
Liu
Xianchun
X
Sun
Xiujuan
X
Hou
Suying
S
Su
Zhongmin
Z