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一锅一步法微波辅助真空合成TiO纳米晶粉末

Microwave-Assisted Vacuum Synthesis of TiO Nanocrystalline Powders in One-Pot, One-Step Procedure.

作者信息

Paradisi Enrico, Rosa Roberto, Baldi Giovanni, Dami Valentina, Cioni Andrea, Lorenzi Giada, Leonelli Cristina

机构信息

Department of Engineering "Enzo Ferrari" (DIEF), University of Modena and Reggio Emilia, 41125 Modena, Italy.

Department of Sciences and Methods for Engineering, University of Modena and Reggio Emilia, 42122 Reggio Emilia, Italy.

出版信息

Nanomaterials (Basel). 2021 Dec 31;12(1):149. doi: 10.3390/nano12010149.

DOI:10.3390/nano12010149
PMID:35010100
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8746694/
Abstract

A new method for fast and simple synthesis of crystalline TiO nanoparticles with photocatalytic activity was developed by carrying out a classic sol-gel reaction directly under vacuum. The use of microwaves for fast heating of the reaction medium further reduces synthesis times. When the solvent is completely removed by vacuum, the product is obtained in the form of a powder that can be easily redispersed in water to yield a stable nanoparticle suspension, exhibiting a comparable photocatalytic activity with respect to a commercial product. The present methodology can, therefore, be considered a process intensification procedure for the production of nanotitania.

摘要

通过在真空下直接进行经典的溶胶-凝胶反应，开发了一种快速简单合成具有光催化活性的结晶TiO纳米颗粒的新方法。使用微波快速加热反应介质进一步缩短了合成时间。当通过真空完全除去溶剂时，得到粉末形式的产物，该产物可容易地重新分散在水中以产生稳定的纳米颗粒悬浮液，其光催化活性与市售产品相当。因此，本方法可被认为是一种用于生产纳米二氧化钛的过程强化程序。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d025/8746694/d88edb184a5c/nanomaterials-12-00149-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d025/8746694/80e4dec625ed/nanomaterials-12-00149-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d025/8746694/49c0cb700bb5/nanomaterials-12-00149-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d025/8746694/d6dbf99c4349/nanomaterials-12-00149-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d025/8746694/c30c086e1d25/nanomaterials-12-00149-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d025/8746694/2e98bc277a27/nanomaterials-12-00149-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d025/8746694/3a2a09603589/nanomaterials-12-00149-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d025/8746694/d88edb184a5c/nanomaterials-12-00149-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d025/8746694/80e4dec625ed/nanomaterials-12-00149-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d025/8746694/49c0cb700bb5/nanomaterials-12-00149-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d025/8746694/d6dbf99c4349/nanomaterials-12-00149-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d025/8746694/c30c086e1d25/nanomaterials-12-00149-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d025/8746694/2e98bc277a27/nanomaterials-12-00149-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d025/8746694/3a2a09603589/nanomaterials-12-00149-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d025/8746694/d88edb184a5c/nanomaterials-12-00149-g007.jpg

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本文引用的文献

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