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Cu thin films on wood surface for robust superhydrophobicity by magnetron sputtering treatment with perfluorocarboxylic acid

Authors
  • Bao, Wenhui1, 2
  • Zhang, Ming1, 2
  • Jia, Zhen3
  • Jiao, Yue1, 2
  • Cai, Liping4, 5
  • Liang, Daxin1, 2, 6
  • Li, Jian1, 2
  • 1 Key Laboratory of Bio-based Material Science and Technology, Ministry of Education, Northeast Forestry University, Harbin, China , Harbin (China)
  • 2 Northeast Forestry University, College of Material Science and Engineering, Harbin, China , Harbin (China)
  • 3 Harbin College, School of Technology, Harbin, China , Harbin (China)
  • 4 University of North Texas, Department of Mechanical and Energy Engineering, Denton, USA , Denton (United States)
  • 5 Nanjing Forestry University, Nanjing, China , Nanjing (China)
  • 6 Qingdao University, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao, China , Qingdao (China)
Type
Published Article
Journal
European Journal of Wood and Wood Products
Publisher
Springer Berlin Heidelberg
Publication Date
Oct 30, 2018
Volume
77
Issue
1
Pages
115–123
Identifiers
DOI: 10.1007/s00107-018-1366-0
Source
Springer Nature
License
Yellow

Abstract

Superhydrophobic wood was fabricated using a magnetron sputtering method, which can be applied to substrates with different shapes for its facile and controllable advantages. Copper was deposited on the cross-section surface of pristine wood followed by a treatment of perfluorocarboxylic acid. The results revealed that the deposition thickness played an important role in varying the surface morphology. In the optimized condition, water contract angle (CA) and sliding angle can reach 154° and 3.5°, respectively, when the deposition thickness was 50 nm. More importantly, the superhydrophobic surface can resist up to 100 times impingement of sand abrasion, and CA retained to be 151°. This method will have promising applications in wooden artifacts, such as clock frame, art, carvings and decorations.

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