Ultraviolet laser-induced submicron spatially resolved superhydrophilicity on single crystal lithium niobate surfaces

A. C. Muir, S. Mailis, R. W. Eason

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15 Citations (Scopus)

Abstract

Lithium niobate crystal surfaces become superhydrophilic after ultraviolet laser irradiation. The crystal surface hydrophilicity, which was assessed by the contact angle of a sessile drop of de-ionized water, was found to undergo a transition from mildly hydrophobic (contact angle θE ≈50°) to a superhydrophilic state (θE <5°). Patterning of the hydrophilicity at the micron and submicron ranges has been achieved by spatially modulating the illuminating laser beam.

Original languageEnglish
Article number104916
JournalJournal of Applied Physics
Volume101
Issue number10
DOIs
Publication statusPublished - 2007
Externally publishedYes

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