Photocatalytic and water-splitting properties of TiO2 and Ag–TiO2 films in the visible light region

The structural, optical, and photocatalytic properties of TiO2 and Ag–TiO2 thin films grown by a hydrothermal method were studied by using an x-ray diffractometer, scanning electron microscope, energy-dispersive x ray, and UV–vis spectroscopy. The results indicated that all films were of single-phas...

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Main Authors:	Ly Ngoc Tai, Pham Duy Long, Ngo Thi Hong Le, Le Van Hong, Pham The Linh, Bui Xuan Khuyen, Bui Son Tung, Vu Dinh Lam
Format:	Article
Language:	English
Published:	AIP Publishing LLC 2021-07-01
Series:	AIP Advances
Online Access:	http://dx.doi.org/10.1063/5.0058116

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spelling	doaj-e3dc6658a6bb4d4caf909d849bc38d302021-08-04T13:18:51ZengAIP Publishing LLCAIP Advances2158-32262021-07-01117075118075118-710.1063/5.0058116Photocatalytic and water-splitting properties of TiO2 and Ag–TiO2 films in the visible light regionLy Ngoc Tai0Pham Duy Long1Ngo Thi Hong Le2Le Van Hong3Pham The Linh4Bui Xuan Khuyen5Bui Son Tung6Vu Dinh Lam7Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 100000, VietnamInstitute of Materials Science, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 100000, VietnamInstitute of Materials Science, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 100000, VietnamInstitute of Materials Science, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 100000, VietnamGraduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 100000, VietnamGraduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 100000, VietnamGraduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 100000, VietnamGraduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 100000, VietnamThe structural, optical, and photocatalytic properties of TiO2 and Ag–TiO2 thin films grown by a hydrothermal method were studied by using an x-ray diffractometer, scanning electron microscope, energy-dispersive x ray, and UV–vis spectroscopy. The results indicated that all films were of single-phase and the Ag presence enhanced catalytic and water-splitting performances in the visible light region. In particular, the methylene blue solution was disintegrated up to 99% after 12 and 8 h for TiO2 and Ag–TiO2 films, respectively. Meanwhile, the splitting efficiency increased from 0.3% for TiO2 to 1% for Ag–TiO2. These performances demonstrate the great potential of Ag–TiO2 films in photocatalytic and water-splitting applications.http://dx.doi.org/10.1063/5.0058116
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Ly Ngoc Tai Pham Duy Long Ngo Thi Hong Le Le Van Hong Pham The Linh Bui Xuan Khuyen Bui Son Tung Vu Dinh Lam
spellingShingle	Ly Ngoc Tai Pham Duy Long Ngo Thi Hong Le Le Van Hong Pham The Linh Bui Xuan Khuyen Bui Son Tung Vu Dinh Lam Photocatalytic and water-splitting properties of TiO2 and Ag–TiO2 films in the visible light region AIP Advances
author_facet	Ly Ngoc Tai Pham Duy Long Ngo Thi Hong Le Le Van Hong Pham The Linh Bui Xuan Khuyen Bui Son Tung Vu Dinh Lam
author_sort	Ly Ngoc Tai
title	Photocatalytic and water-splitting properties of TiO2 and Ag–TiO2 films in the visible light region
title_short	Photocatalytic and water-splitting properties of TiO2 and Ag–TiO2 films in the visible light region
title_full	Photocatalytic and water-splitting properties of TiO2 and Ag–TiO2 films in the visible light region
title_fullStr	Photocatalytic and water-splitting properties of TiO2 and Ag–TiO2 films in the visible light region
title_full_unstemmed	Photocatalytic and water-splitting properties of TiO2 and Ag–TiO2 films in the visible light region
title_sort	photocatalytic and water-splitting properties of tio2 and ag–tio2 films in the visible light region
publisher	AIP Publishing LLC
series	AIP Advances
issn	2158-3226
publishDate	2021-07-01
description	The structural, optical, and photocatalytic properties of TiO2 and Ag–TiO2 thin films grown by a hydrothermal method were studied by using an x-ray diffractometer, scanning electron microscope, energy-dispersive x ray, and UV–vis spectroscopy. The results indicated that all films were of single-phase and the Ag presence enhanced catalytic and water-splitting performances in the visible light region. In particular, the methylene blue solution was disintegrated up to 99% after 12 and 8 h for TiO2 and Ag–TiO2 films, respectively. Meanwhile, the splitting efficiency increased from 0.3% for TiO2 to 1% for Ag–TiO2. These performances demonstrate the great potential of Ag–TiO2 films in photocatalytic and water-splitting applications.
url	http://dx.doi.org/10.1063/5.0058116
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Photocatalytic and water-splitting properties of TiO2 and Ag–TiO2 films in the visible light region

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