Table of Contents
Coatings, Volume 8, Issue 9 (September 2018)
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Cover Story (view full-size image) The use of AP plasma jet systems might be a suitable approach to produce photo catalysts, thereby [...] Read more. The use of AP plasma jet systems might be a suitable approach to produce photo catalysts, thereby avoiding vacuum systems or wet chemical applications. In addition to known photo catalysts such as titanium oxide or zinc oxide, bismuth oxide is a potential alternative. In this study, monoclinic bismuth oxide is introduced as powder into a plasma jet and deposited onto borosilicate glass. Microscopic imaging was carried out to evaluate the thickness and cover ratio of the layer. The layer was analyzed by XRD to determine the crystal structure and XPS to determine the chemical state. It can be shown that crystalline droplets were produced and deposited as layers with the help of the plasma spraying process. The layers exhibited monoclinic bismuth oxide and tetragonal Bi2O2.33 crystal structures with a direct band gap of 2.72 eV, thus allowing its use as a photocatalyst in the visible light region. View this paper.