Effects of Hydrothermal Time on Structure and Photocatalytic Property of Titanium Dioxide for Degradation of Rhodamine B and Tetracycline Hydrochloride

Autor:	Daixiong Yang, Xiaodong Zhu, Renyong Tang, Mao Tang, Jiawei Liu, Yangwen Xia
Rok vydání:	2021
Předmět:	photocatalytic activity Technology Anatase Materials science Article Hydrothermal circulation chemistry.chemical_compound Tetracycline Hydrochloride hydrothermal time Rhodamine B TiO2 General Materials Science Microscopy QC120-168.85 QH201-278.5 surface area Engineering (General). Civil engineering (General) Titanate TK1-9971 Descriptive and experimental mechanics chemistry Rutile Titanium dioxide Photocatalysis Electrical engineering. Electronics. Nuclear engineering TA1-2040 Nuclear chemistry
Zdroj:	Materials, Vol 14, Iss 5674, p 5674 (2021) Materials Volume 14 Issue 19
ISSN:	1996-1944
DOI:	10.3390/ma14195674
Popis:	Using butyl titanate and absolute ethanol as raw materials, TiO2 was prepared by a hydrothermal method with different hydrothermal times, and the influences of hydrothermal time on the structure and photocatalytic performance of TiO2 were investigated. The obtained samples were characterized by XRD, SEM, TEM, BET, PL and DRS, separately. The results show that TiO2 forms anatase when the hydrothermal time is 12 h, forms a mixed crystal composed of anatase and rutile when the hydrothermal time is 24 h, and forms rutile when the hydrothermal time is 36 h. With the extension of hydrothermal time, anatase gradually transforms into rutile and the surface area decreases. Although TiO2-24 h and TiO2-36 h show lower photoinduced charge recombination and higher light source utilization, TiO2-12 h exhibits the highest photocatalytic activity owing to its largest surface area (145.3 m2/g). The degradation degree of rhodamine B and tetracycline hydrochloride reach 99.6% and 90.0% after 45 min.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ebf813c328701be8026d7b49267f97f8 https://doi.org/10.3390/ma14195674 Zobrazit plný text záznamu Plný text ve formátu PDF Plný text ve formátu HTML
Nepřihlášeným uživatelům se plný text nezobrazuje	K zobrazení výsledku je třeba se přihlásit.