Abstract
A hydrophobic/super-hydrophilic pattern was prepared on a TiO 2 thin film by a new fabrication process. The process consists of five key steps: (1) photocatalytic reduction of Ag + to Ag (nucleation), (2) electroless Cu deposition, (3) oxidation of Cu to CuO, (4) deposition of a self-assembled monolayer (SAM), and (5) photocatalytic decomposition of selected areas of the SAM. A hydrophobic/super-hydrophilic pattern with 500-μm 2 hydrophilic areas was obtained in this process. It is particularly noteworthy that a UV irradiation time of only 1 s was sufficient for the nucleation step in the patterning process.
Original language | English |
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Pages (from-to) | 5891-5894 |
Number of pages | 4 |
Journal | Applied Surface Science |
Volume | 254 |
Issue number | 18 |
DOIs | |
Publication status | Published - Jul 15 2008 |
Externally published | Yes |
Keywords
- Hydrophobic
- Super-hydrophilic
- Surface patterning
- TiO photocatalyst
ASJC Scopus subject areas
- Chemistry(all)
- Condensed Matter Physics
- Physics and Astronomy(all)
- Surfaces and Interfaces
- Surfaces, Coatings and Films