Details
| Original language | English |
|---|---|
| Article number | 34285 |
| Journal | Scientific reports |
| Volume | 6 |
| Publication status | Published - 5 Oct 2016 |
Abstract
In recent years many works are aimed at finding a method of controllable switching between hydrophilicity and hydrophobicity of a surface. The hydrophilic surface state is generally determined by its energy. Change in the surface energy can be realized in several different ways. Here we report the ability to control the surface wettability of zirconium dioxide nano-coatings by changing the composition of actinic light. Such unique photoinduced hydrophilic behavior of ZrO 2 surface is ascribed to the formation of different active surface states under photoexcitation in intrinsic and extrinsic ZrO 2 absorption regions. The sequential effect of different actinic lights on the surface hydrophilicity of zirconia is found to be repeatable and reversibly switchable from a highly hydrophilic state to a more hydrophobic state. The observed light-controllable reversible and reproducible switching of hydrophilicity opens new possible ways for the application of ZrO 2 based materials.
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In: Scientific reports, Vol. 6, 34285, 05.10.2016.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Light-Controlled ZrO 2 Surface Hydrophilicity
AU - Rudakova, A.V.
AU - Maevskaya, M.V.
AU - Emeline, A.V.
AU - Bahnemann, D.W.
N1 - Funding information: The present study was performed within the Project Establishment of the Laboratory Photoactive Nanocomposite Materials No. 14.Z50.31.0016 supported by a Mega-grant of the Government of the Russian Federation. M.V.M. thanks the Russian Foundation for Basic Research for financial support (No. 16-32-00341).
PY - 2016/10/5
Y1 - 2016/10/5
N2 - In recent years many works are aimed at finding a method of controllable switching between hydrophilicity and hydrophobicity of a surface. The hydrophilic surface state is generally determined by its energy. Change in the surface energy can be realized in several different ways. Here we report the ability to control the surface wettability of zirconium dioxide nano-coatings by changing the composition of actinic light. Such unique photoinduced hydrophilic behavior of ZrO 2 surface is ascribed to the formation of different active surface states under photoexcitation in intrinsic and extrinsic ZrO 2 absorption regions. The sequential effect of different actinic lights on the surface hydrophilicity of zirconia is found to be repeatable and reversibly switchable from a highly hydrophilic state to a more hydrophobic state. The observed light-controllable reversible and reproducible switching of hydrophilicity opens new possible ways for the application of ZrO 2 based materials.
AB - In recent years many works are aimed at finding a method of controllable switching between hydrophilicity and hydrophobicity of a surface. The hydrophilic surface state is generally determined by its energy. Change in the surface energy can be realized in several different ways. Here we report the ability to control the surface wettability of zirconium dioxide nano-coatings by changing the composition of actinic light. Such unique photoinduced hydrophilic behavior of ZrO 2 surface is ascribed to the formation of different active surface states under photoexcitation in intrinsic and extrinsic ZrO 2 absorption regions. The sequential effect of different actinic lights on the surface hydrophilicity of zirconia is found to be repeatable and reversibly switchable from a highly hydrophilic state to a more hydrophobic state. The observed light-controllable reversible and reproducible switching of hydrophilicity opens new possible ways for the application of ZrO 2 based materials.
UR - http://www.scopus.com/inward/record.url?scp=84990929761&partnerID=8YFLogxK
U2 - 10.1038/srep34285
DO - 10.1038/srep34285
M3 - Article
VL - 6
JO - Scientific reports
JF - Scientific reports
SN - 2045-2322
M1 - 34285
ER -