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Open AccessArticle

Flame-Sprayed Pure and Ce-Doped TiO2 Photocatalysts

1
Department of Materials Science and Engineering, The Ohio State University, Columbus, OH 43210, USA
2
Department of Materials Science and Engineering, State University of New York at Stony Brook, Stony Brook, NY 11794, USA
*
Author to whom correspondence should be addressed.
Catalysts 2018, 8(9), 342; https://doi.org/10.3390/catal8090342
Received: 18 July 2018 / Revised: 15 August 2018 / Accepted: 17 August 2018 / Published: 22 August 2018
(This article belongs to the Special Issue State-of-the-Art Photocatalytical Technology in North America)
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Abstract

Pure and Ce-doped TiO2 nanoparticles were successfully synthesized in one step by means of the scalable flame spray pyrolysis (FSP) process. Complete structural and chemical characterization of these materials revealed that the majority of the nanoparticles are crystalline and spherical, ranging from 5 to 45 nm in diameter. The band gap of TiO2 was reduced by doping with Ce from 2.43 to 3.06 eV and the Ce–TiO2 nanoparticles exhibit a strong photoelectrical response to visible light illumination. Ce–TiO2 nanoparticles obtained with this scalable method are trivially scalable to industrial level manufacturing, granting and enabling additional approaches for the actual application of ceramic oxide nanomaterials to combat challenges such as environmental cleanup and energy production from the visible part of solar inputs. View Full-Text
Keywords: photocatalysts; flame spray pyrolysis; TiO2; Ce-doped photocatalysts; flame spray pyrolysis; TiO2; Ce-doped
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Mikaeili, F.; Topcu, S.; Jodhani, G.; Gouma, P.-I. Flame-Sprayed Pure and Ce-Doped TiO2 Photocatalysts. Catalysts 2018, 8, 342.

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