Facile synthesis of a novel Zn2Ti3O8 aerogel with porous structure for high-efficient degradation of antibiotics under simulated sunlight

Yuan, Meiyu; Zhu, Yingying; Fu, Junjie; Xu, Shiyu; Wu, Xiaodong; Wang, Zihan; Yuan, Man; Zhang, Song; Cui, Sheng

doi:10.1016/j.ceramint.2023.04.156

Cited by 5 publications

(1 citation statement)

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“…On the one hand, the three-dimensional continuous porous structure of aerogel provides a convenient transfer channel for the in situ degradation of MO [ 35 ]. On the other hand, it facilitates an increased number of reactive sites [ 36 , 37 ]. Therefore, the BTO-2 sample exhibits enhanced photocatalytic efficiency.…”

Section: Resultsmentioning

confidence: 99%

Ag Nanoparticles Deposited onto BaTiO3 Aerogel for Highly Efficient Photodegradation

Wu,

Yan,

Xie

et al. 2024

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Given the increasingly severe environmental problems caused by water pollution, the degradation of organic dyes can be effectively achieved through the utilization of photocatalysis. In this work, metal alkoxides and a combination of alcohol/hydrophobic solvents are employed to prepare BaTiO3 aerogels via a liquid-phase and template-free synthetic route. The preparation process of the aerogels solely entails facile agitation and supercritical drying, eliminating the need for additional heat treatment. The binary solvent of ethanol and toluene is identified as the optimal choice, resulting in a significantly enhanced surface area (up to 223 m2/g) and an abundant pore structure of BaTiO3 aerogels compared to that of the BaTiO3 nanoparticles. Thus, the removal efficiency of the BaTiO3 aerogel sample for MO is nearly twice as high as that of the BaTiO3 nanoparticles sample. Noble metal Ag nanoparticles’ deposition onto the BaTiO3 aerogel surface is further achieved via the photochemical deposition method, which enhances the capture of photogenerated electrons, thereby ensuring an elevated level of photocatalytic efficiency. As a result, Ag nanoparticles deposited on BaTiO3 aerogel can degrade MO completely after 40 min of illumination, while the corresponding aerogel before modification can only remove 80% of MO after 60 min. The present work not only complements the preparatory investigation of intricate aerogels but also offers a fresh perspective for the development of diverse perovskite aerogels with broad applications.

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Section: Resultsmentioning

confidence: 99%