Fabrication of nanoporous TiO² films through Benard-Marangoni convection

R. Suresh SinghDepartment of Electrical and Computer Engineering, The University of Kentucky, Lexington, KY40506

Craig A. GrimesDepartment of Electrical Engineering & Materials Research Institute, 208 Materials Research Laboratory, The Pennsylvania State University, University Park, PA16802USA e-mail: [email protected]

Elizabeth C. DickeyDepartment of Materials Science & Engineering, The Pennsylvania State University, University Park, PA16802USA

Abstract

Fabrication of nanoporous TiO² thin films through Benard-Marangoni convection is reported. Variation of pore size and morphology in the sol-gel deposited metal-oxide films is investigated as a function of ambient humidity and air flow velocity during film drying, sol concentration, and addition of water/acid to the sol.

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Fabrication of nanoporous TiO² films through Benard-Marangoni convection

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Fabrication of nanoporous TiO2 films through Benard-Marangoni convection

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Fabrication of nanoporous TiO² films through Benard-Marangoni convection