AI Article Synopsis
- Hard X-ray irradiation alters the wettability of various inorganic materials by making their surfaces superhydrophilic.
- The change in wettability occurs due to the buildup of positive surface charges from the emission of photoelectrons during irradiation.
- After the irradiation, the original wettability can be restored within a few minutes when the materials are stored in deionized water.
Article Abstract
We observed that hard X-ray irradiation modifies the wettability of a variety of inorganic materials. The smooth surfaces of all tested inorganic materials (ZnO, p-Si, Al2O3, SrTiO3, TiN, ZnS, CuO, Ag2O, and Cr2O3) change during irradiation to a state of superhydrophilic wettability, and such changes are explained by the accumulation of positive surface charges by photoelectron emission. The initial wettability state is re-established within several minutes of storage in deionized water.
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| http://dx.doi.org/10.1021/la804081k | DOI Listing |
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