期刊
APPLIED SURFACE SCIENCE
卷 288, 期 -, 页码 558-563出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2013.10.073
关键词
Superhydrophobicity; Electroless deposition; Electrodeposition; Surface self-passivation; Bi/Bi2O3 surface
类别
资金
- National Natural Science Foundation of China [21173075, 21003045]
- Aid Program for Science and Technology Innovative Research Team in Higher Educational Institutions of Hunan Province
- Construct Program of the Key Discipline in Hunan Province
Superhydrophobic metallic surfaces are attracting wide interest. In this work, two facile one-step methods (displacement reaction and electrodeposition) were developed to fabricate superhydrophobic Bi/Bi2O3 surfaces with hierarchical porous dendritic structures, where the Bi2O3 cover layer was formed by surface self-passivation of the deposited Bi. The influence of various experimental parameters on the surface morphology and wettability were investigated in detail, including concentration of solutions, deposition times, and deposition potentials. A maximum contact angle about 164 degrees can be obtained on the fabricated superhydrophobic Bi/Bi2O3 surfaces by these two methods under optimized conditions without additional surface modification. (C) 2013 Elsevier B.V. All rights reserved.
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