Insight on the growth mechanism of TiO2 nanoparticles via gaseous detonation intercepting collection

Zhao, Tong; Wu, Linsong; Wang, Zifa; Yan, Honghao

doi:10.1016/j.ceramint.2022.11.160

Cited by 1 publication

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“…Yan et al , investigated the effects of initial temperature, initial pressure, and amount of precursor on the micromorphology of nano-TiO 2 . Wu et al , experimentally investigated the growth mechanism of TiO 2 nanoparticles synthesized by gas detonation and established a relationship between detonation parameters and TiO 2 photocatalytic activity. Luo et al , introduced the monodisperse Kruis model into the gaseous detonation flow field, preliminarily simulated the growth process of spherical nano-TiO 2 particles and pointed out that the reaction temperature, particle concentration, and reaction time are the main factors affecting particle growth.…”

Section: Introductionmentioning

confidence: 99%

Characterization and Mechanism Elucidation of Nano-TiO₂ Composites Prepared by Gaseous Detonation Method

Wu,

Shi,

Wang

et al. 2024

ACS Omega

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In this study, a series of nano-TiO 2 composite materials, including nano-TiO 2 , nano-SnO 2 /TiO 2 , nano-SiO 2 /TiO 2 , and nano-Fe 2 O 3 /TiO 2 , were successfully synthesized via the gaseous detonation method. Comprehensive characterization of the synthesized samples was carried out through X-ray diffraction (XRD), transmission electron microscopy/high-resolution TEM (TEM/HRTEM), scanning electron microscopy/energy-dispersive X-ray spectroscopy (SEM/EDS), Brunauer−Emmett− Teller (BET) method, and Fourier transform infrared (FTIR) analysis, which unveiled the significant influence of precursor types on the microstructure of the composite materials. Specifically, the incorporation of Sn 4+ promoted the transformation of TiO 2 to the rutile phase, reducing particle sizes from 25 to 19 nm and increasing the specific surface area from 44 to 86 m 2 /g. In contrast, the introduction of SiO 2 impeded the rutile phase formation, leading to a marked reduction in particle size to 14 nm and an enhancement of the specific surface area to 104 m 2 /g. Furthermore, the presence of Fe 3+ promoted the formation of the rutile phase and enabled particle growth to 44 nm. These findings not only deepen the understanding of structural control in the synthesis of nano-TiO 2 composite materials via the gaseous detonation method but also highlight the critical role of precursor selection in determining the properties of the resulting materials.

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Section: Introductionmentioning

confidence: 99%

Characterization and Mechanism Elucidation of Nano-TiO₂ Composites Prepared by Gaseous Detonation Method

Wu,

Shi,

Wang

et al. 2024

ACS Omega

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Insight on the growth mechanism of TiO2 nanoparticles via gaseous detonation intercepting collection

Cited by 1 publication

References 21 publications

Characterization and Mechanism Elucidation of Nano-TiO₂ Composites Prepared by Gaseous Detonation Method

Characterization and Mechanism Elucidation of Nano-TiO₂ Composites Prepared by Gaseous Detonation Method

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Insight on the growth mechanism of TiO2 nanoparticles via gaseous detonation intercepting collection

Cited by 1 publication

References 21 publications

Characterization and Mechanism Elucidation of Nano-TiO2 Composites Prepared by Gaseous Detonation Method

Characterization and Mechanism Elucidation of Nano-TiO2 Composites Prepared by Gaseous Detonation Method

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Characterization and Mechanism Elucidation of Nano-TiO₂ Composites Prepared by Gaseous Detonation Method

Characterization and Mechanism Elucidation of Nano-TiO₂ Composites Prepared by Gaseous Detonation Method