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用于在紫外光和可见光下增强光催化活性的介孔TiO锐钛矿薄膜。

Mesoporous TiO anatase films for enhanced photocatalytic activity under UV and visible light.

作者信息

Ishchenko Olga M, Lamblin Guillaume, Guillot Jérôme, Infante Ingrid C, Guennou Maël, Adjeroud Noureddine, Fechete Ioana, Garin Francois, Turek Philippe, Lenoble Damien

机构信息

Luxembourg Institute of Science and Technology (LIST), Materials Research and Technology (MRT) 41 Rue du Brill L-4422 Belvaux Luxembourg

Institut de Chimie et Procédés pour l'Energie, l'Environnement et la Santé-ICPEES, UMR 7515 CNRS, Université de Strasbourg 25 Rue Becquerel 67087 Strasbourg Cedex 2 France.

出版信息

RSC Adv. 2020 Oct 16;10(63):38233-38243. doi: 10.1039/d0ra06455f. eCollection 2020 Oct 15.

DOI:10.1039/d0ra06455f
PMID:35517541
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9057303/
Abstract

Mesoporous TiO films with enhanced photocatalytic activity in both UV and visible wavelength ranges were developed through a non-conventional atomic layer deposition (ALD) process at room temperature. Deposition at such a low temperature promotes the accumulation of by-products in the amorphous TiO films, caused by the incomplete hydrolysis of the TiCl precursor. The additional thermal annealing induces the fast recrystallisation of amorphous films, as well as an acidic treatment of TiO. The interplay between the deposition parameters, such as purge time, the amount of structural defects introduced and the enhancement of the photocatalytic properties from different mesoporous films clearly shows that our easily upscalable non-conventional ALD process is of great industrial interest for environmental remediation and other photocatalytic applications, such as hydrogen production.

摘要

通过室温下的非常规原子层沉积（ALD）工艺制备了在紫外和可见光波长范围内均具有增强光催化活性的介孔TiO薄膜。在如此低温下进行沉积会促进非晶TiO薄膜中副产物的积累，这是由TiCl前驱体不完全水解引起的。额外的热退火促使非晶薄膜快速重结晶，同时对TiO进行酸处理。沉积参数之间的相互作用，如吹扫时间、引入的结构缺陷数量以及不同介孔薄膜光催化性能的增强，清楚地表明我们这种易于放大的非常规ALD工艺对于环境修复和其他光催化应用（如制氢）具有重大的工业价值。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/25af/9057303/7601466bce15/d0ra06455f-f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/25af/9057303/2cc53152257d/d0ra06455f-f1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/25af/9057303/302623975c97/d0ra06455f-s1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/25af/9057303/d181d3177afe/d0ra06455f-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/25af/9057303/ea3e1bde6b62/d0ra06455f-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/25af/9057303/d2474925ed02/d0ra06455f-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/25af/9057303/7601466bce15/d0ra06455f-f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/25af/9057303/2cc53152257d/d0ra06455f-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/25af/9057303/956914431f56/d0ra06455f-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/25af/9057303/eccda0d4f958/d0ra06455f-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/25af/9057303/ec7e56ae1c66/d0ra06455f-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/25af/9057303/302623975c97/d0ra06455f-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/25af/9057303/f99f07dc7b43/d0ra06455f-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/25af/9057303/d181d3177afe/d0ra06455f-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/25af/9057303/ea3e1bde6b62/d0ra06455f-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/25af/9057303/d2474925ed02/d0ra06455f-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/25af/9057303/7601466bce15/d0ra06455f-f9.jpg

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本文引用的文献

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Li Insertion in Nanostructured TiO for Energy Storage.用于能量存储的纳米结构二氧化钛中的锂插入
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Photocatalysis with Reduced TiO: From Black TiO to Cocatalyst-Free Hydrogen Production.还原态TiO₂的光催化：从黑色TiO₂到无共催化剂的制氢
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