The preparation of three-dimensional flower-like TiO 2 /TiOF 2 photocatalyst and its efficient degradation of tetracycline hydrochloride
A kind of high-efficiency photocatalyst of the three-dimensional flower-like TiO /TiOF was synthesized by a one-step hydrothermal method. XRD, FE-SEM, EDS, HTEM, BET, XPS, PL, and UV-Vis-DRS were utilized to characterize the photocatalyst. The photocatalyst of TiO /TiOF shows a narrow band gap of 2....
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| Veröffentlicht in: | RSC advances 2021-04, Vol.11 (25), p.14957-14969 |
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| creator | Hou, Chentao Liu, Huayang Li, Yijie |
| description | A kind of high-efficiency photocatalyst of the three-dimensional flower-like TiO
/TiOF
was synthesized by a one-step hydrothermal method. XRD, FE-SEM, EDS, HTEM, BET, XPS, PL, and UV-Vis-DRS were utilized to characterize the photocatalyst. The photocatalyst of TiO
/TiOF
shows a narrow band gap of 2.8 eV. The generation of Ti
and an oxygen vacancy (O
) in the photocatalyst are helpful to increase the absorption of visible light, and to inhibit faster charge recombination by capturing photogenerated carriers. Through the degradation of tetracycline hydrochloride (TCH) under simulated sunlight, the photocatalytic activity and stability of the synthesized samples were investigated. The results showed that the removal rate of tetracycline hydrochloride was 59% only in 0.5 h of dark reaction and 85% in 0.5 h of simulated sunlight. The removal efficiency of the photocatalyst for the adsorption and photocatalytic degradation of TCH is higher than that of the single TiO
, TiOF
, and Degussa P25. The synthesized three-dimensional flower-like TiO
/TiOF
has great application potential in the treatment of antibiotic wastewater. |
| doi_str_mv | 10.1039/d1ra01772a |
| format | Article |
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/TiOF
was synthesized by a one-step hydrothermal method. XRD, FE-SEM, EDS, HTEM, BET, XPS, PL, and UV-Vis-DRS were utilized to characterize the photocatalyst. The photocatalyst of TiO
/TiOF
shows a narrow band gap of 2.8 eV. The generation of Ti
and an oxygen vacancy (O
) in the photocatalyst are helpful to increase the absorption of visible light, and to inhibit faster charge recombination by capturing photogenerated carriers. Through the degradation of tetracycline hydrochloride (TCH) under simulated sunlight, the photocatalytic activity and stability of the synthesized samples were investigated. The results showed that the removal rate of tetracycline hydrochloride was 59% only in 0.5 h of dark reaction and 85% in 0.5 h of simulated sunlight. The removal efficiency of the photocatalyst for the adsorption and photocatalytic degradation of TCH is higher than that of the single TiO
, TiOF
, and Degussa P25. The synthesized three-dimensional flower-like TiO
/TiOF
has great application potential in the treatment of antibiotic wastewater.</description><identifier>ISSN: 2046-2069</identifier><identifier>EISSN: 2046-2069</identifier><identifier>DOI: 10.1039/d1ra01772a</identifier><identifier>PMID: 35424047</identifier><language>eng</language><publisher>England</publisher><ispartof>RSC advances, 2021-04, Vol.11 (25), p.14957-14969</ispartof><rights>This journal is © The Royal Society of Chemistry.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c997-1274ba52112e8c67dce9f4223af71a0ea42ee691c336dc86da9d6447c5b1c063</citedby><cites>FETCH-LOGICAL-c997-1274ba52112e8c67dce9f4223af71a0ea42ee691c336dc86da9d6447c5b1c063</cites><orcidid>0000-0002-3295-3012</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,864,27923,27924</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/35424047$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Hou, Chentao</creatorcontrib><creatorcontrib>Liu, Huayang</creatorcontrib><creatorcontrib>Li, Yijie</creatorcontrib><title>The preparation of three-dimensional flower-like TiO 2 /TiOF 2 photocatalyst and its efficient degradation of tetracycline hydrochloride</title><title>RSC advances</title><addtitle>RSC Adv</addtitle><description>A kind of high-efficiency photocatalyst of the three-dimensional flower-like TiO
/TiOF
was synthesized by a one-step hydrothermal method. XRD, FE-SEM, EDS, HTEM, BET, XPS, PL, and UV-Vis-DRS were utilized to characterize the photocatalyst. The photocatalyst of TiO
/TiOF
shows a narrow band gap of 2.8 eV. The generation of Ti
and an oxygen vacancy (O
) in the photocatalyst are helpful to increase the absorption of visible light, and to inhibit faster charge recombination by capturing photogenerated carriers. Through the degradation of tetracycline hydrochloride (TCH) under simulated sunlight, the photocatalytic activity and stability of the synthesized samples were investigated. The results showed that the removal rate of tetracycline hydrochloride was 59% only in 0.5 h of dark reaction and 85% in 0.5 h of simulated sunlight. The removal efficiency of the photocatalyst for the adsorption and photocatalytic degradation of TCH is higher than that of the single TiO
, TiOF
, and Degussa P25. The synthesized three-dimensional flower-like TiO
/TiOF
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/TiOF
was synthesized by a one-step hydrothermal method. XRD, FE-SEM, EDS, HTEM, BET, XPS, PL, and UV-Vis-DRS were utilized to characterize the photocatalyst. The photocatalyst of TiO
/TiOF
shows a narrow band gap of 2.8 eV. The generation of Ti
and an oxygen vacancy (O
) in the photocatalyst are helpful to increase the absorption of visible light, and to inhibit faster charge recombination by capturing photogenerated carriers. Through the degradation of tetracycline hydrochloride (TCH) under simulated sunlight, the photocatalytic activity and stability of the synthesized samples were investigated. The results showed that the removal rate of tetracycline hydrochloride was 59% only in 0.5 h of dark reaction and 85% in 0.5 h of simulated sunlight. The removal efficiency of the photocatalyst for the adsorption and photocatalytic degradation of TCH is higher than that of the single TiO
, TiOF
, and Degussa P25. The synthesized three-dimensional flower-like TiO
/TiOF
has great application potential in the treatment of antibiotic wastewater.</abstract><cop>England</cop><pmid>35424047</pmid><doi>10.1039/d1ra01772a</doi><tpages>13</tpages><orcidid>https://orcid.org/0000-0002-3295-3012</orcidid></addata></record> |
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| source | DOAJ Directory of Open Access Journals; PubMed Central Open Access; EZB-FREE-00999 freely available EZB journals; PubMed Central |
| title | The preparation of three-dimensional flower-like TiO 2 /TiOF 2 photocatalyst and its efficient degradation of tetracycline hydrochloride |
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