1. Fabrication and gas sensing properties of hollow SnO2 hemispheres
- Author
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Hg Kim Ho-Gi Kim, Id Kim Il-Doo Kim, Dy Youn Doo-Young Youn, Ye Chang Young-Eun Chang, Avner Rothschild, Dj Yang Dae-Jin Yang, and Guy Ankonina
- Subjects
Materials science ,Fabrication ,Hydrogen ,technology, industry, and agriculture ,Metals and Alloys ,Nanowire ,chemistry.chemical_element ,Nanotechnology ,General Chemistry ,equipment and supplies ,Catalysis ,Surfaces, Coatings and Films ,Electronic, Optical and Magnetic Materials ,Microsphere ,Template ,chemistry ,Materials Chemistry ,Ceramics and Composites ,Sensitivity (control systems) - Abstract
Close packed arrays of hollow SnO2 hemispheres were prepared using PMMA microspheres as sacrificial templates for subsequent sputter-deposition of SnO2 films, leading to a threefold enhancement in gas sensitivity compared to non-templated (flat) films.
- Published
- 2009