NDLI: Microorganism-Templated Nanoarchitectonics of Hollow $TiO_{2}-SiO_{2}$ Microspheres with Enhanced Photocatalytic Activity for Degradation of Methyl Orange

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Microorganism-Templated Nanoarchitectonics of Hollow $TiO_{2}-SiO_{2}$ Microspheres with Enhanced Photocatalytic Activity for Degradation of Methyl Orange

Content Provider	MDPI
Author	Liao, Shenglan Lin, Liqin Huang, Jiale Jing, Xiaolian Chen, Shiping Li, Qingbiao
Copyright Year	2022
Description	In this study, hollow $SiO_{2}$ microspheres were synthesized by the hydrolysis of tetraethyl orthosilicate (TEOS) according to the Stober process, in which Pichia pastoris GS 115 cells were served as biological templates. The influence of the preprocessing method, the TEOS concentration, the ratio of water to ethanol, and the aging time on the morphology of microspheres was investigated and the optimal conditions were identified. Based on this, $TiO_{2}-SiO_{2}$ microspheres were prepared by the hydrothermal process. The structures and physicochemical properties of $TiO_{2}-SiO_{2}$ photocatalysts were systematically characterized and discussed. The photocatalytic activity for the degradation of methyl orange (MO) at room temperature under Xe arc lamp acting as simulated sunlight was explored. The result showed that the as-prepared $TiO_{2}-SiO_{2}$ microspheres exhibited a good photocatalytic performance.
Starting Page	1606
e-ISSN	20794991
DOI	10.3390/nano12091606
Journal	Nanomaterials
Issue Number	9
Volume Number	12
Language	English
Publisher	MDPI
Publisher Date	2022-05-09
Access Restriction	Open
Subject Keyword	Nanomaterials Industrial Engineering Hollow Sio2 Microspheres Biotemplate Tio2-sio2 Photocatalyst
Content Type	Text
Resource Type	Article

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