The Influence of Curing Methods on the Physico-chemical Properties of Printed Mesoporous Titania Patterns Reinforced By Methylsilica Binder

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Authors

DZIK Petr VESELÝ Michal PACHOVSKÁ Martina NEUMANN-SPALLART Michael BURŠÍKOVÁ Vilma HOMOLA Tomáš

Year of publication 2018
Type Article in Periodical
Magazine / Source Catalysis Today
MU Faculty or unit

Faculty of Science

Citation
Web https://www.sciencedirect.com/science/article/pii/S0920586118300129
Doi http://dx.doi.org/10.1016/j.cattod.2018.01.012
Field Plasma physics
Keywords Photocatalysis; Material printing; Inkjet; Binder; UV-curing; Atmospheric plasma
Description We report on the influence of post-printing curing on the physico-chemical properties of silica-bonded particulate titania photocatalytic layers. Ink consisting of commercial titania nanoparticles and a novel siloxane binder was patterned by inkjet printing. Printed layers were mineralized by three processes: thermal annealing by convection heating in an electric furnace, UV-curing with a high pressure mercury vapour lamp, and atmospheric plasma treatment in a coplanar dielectric barrier discharge. The influence of these processes on the extend of the binder mineralization and resulting physicochemical properties, charge generation and transport as well as photocatalytic activity was investigated. All curing methods proved to be capable to mineralize the binder but atmospheric plasma curing stands out as the fastest one enabling a direct implementation into roll-to-roll fabrication processes.
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