Journal
APPLIED PHYSICS LETTERS
Volume 102, Issue 1, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4775360
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Funding
- National Nature Science Foundation of China [51102247, 51105352]
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The tunable wettability of smart graphene films onto stainless steel substrates with a multi-response to different environmental stimuli has been investigated including light irradiation, pH, electric field, and annealing temperature. Conductive graphene film exhibited the controllable transition from water-repellent to water-loving characteristic in response to different environment fields, which primarily resulted from the morpho-chemically synergistic effect as well as the restoration of electronic stucture. Based on the fundamental theories of wettability, mechanisms in switching from hydrophobicity to hydrophilicity for smart graphene surface including thermal chemistry, electrostatic, photo-induced surface chemistry, solvent, and pH methods were presented. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4775360]
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