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- Title
Controlled hydrothermal synthesis of ball-flower Ni(OH)/NiOOH composites assisted by rosin-based betaine zwitterionic surfactant.
- Authors
Xu, Yong-Xia; Li, Bao-Tong; Li, Juan; Liu, Ze-Xue; Duan, Jiu-Fang; Han, Chun-Rui
- Abstract
The ball-flower Ni(OH)/NiOOH composites were successfully synthesized via a facile hydrothermal method, using nickel sulfate as precursor and urea as precipitant, and the rosin-based betaine zwitterionic surfactant as annexing agent. The optimum condition of preparing ball-flower Ni(OH)/NiOOH composites was 10 g/L rosin-based betaine zwitterionic surfactant, at 180 °C for 8 h. The ball-flower Ni(OH)/NiOOH composites were consisted of nanosheets. X-ray diffraction, Fourier transform infrared spectroscopy, nuclear magnetic resonance, scanning electron microscopy, and surface tension were used to characterize the as-prepared samples. The effect of rosin-based betaine zwitterionic surfactant on the morphology and size of ball-flower Ni(OH)/NiOOH composites were investigated in details. Moreover, a possible formation mechanism was proposed based on the effect of the rosin-based betaine surfactant. The result revealed that the crystallinity of the ball-flower Ni(OH)/NiOOH composites were improved by the rosin-based betaine surfactant, and the morphology and size of Ni(OH)/NiOOH composites could be well controlled in the presence of the rosin-based betaine zwitterionic surfactant.
- Subjects
HYDROTHERMAL synthesis; NICKEL compounds; METALLIC composites; GUMS &; resins; BETAINE; ZWITTERIONS; SURFACE active agents
- Publication
Journal of Materials Science: Materials in Electronics, 2015, Vol 26, Issue 10, p8040
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-015-3461-x