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High-frequency sonication for the synthesis of nanocluster-decorated titania nanorods: making a better photocatalyst for the selective oxidation of monoaromatic alcohol

2022-01-19

Abstract

The designing and synthesis of novel photocatalysts are the most important parts, with TiO2-based materials to be consider as prosperous candidates for the selective photo-oxidation of aromatic alcohol. Herein, we established an ultrasound-assisted (500 kHz) precipitation synthetic protocol which led to titanate nanorods of 30 nm maximum length, decorated with nanoclusters of size 1 – 3 nm. The physicochemical features of the synthesized catalysts were characterized by various techniques. The 1-D nanomaterial obtained at low ultrasound power revealed highest yield towards selective photo-oxidation of benzyl alcohol to benzaldehyde comparing to the material synthesized at higher ultrasound power, in silent, and the commercial TiO2-P25.

A. Qayyum, D. A. Giannakoudakis, A.P. LaGrow, O. Bondarchuk, D. Łomot, and Juan Carlos Colmenares. Catalysis Communications, (2022). DOI: 10.1016/j.catcom.2022.106406OPEN ACCESS!!!

https://​www​.scien​ce​di​rect​.com/​s​c​i​e​n​c​e​/​a​r​t​i​c​l​e​/​p​i​i​/​S​1566736722000115

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