Improved visible-light activity for oxidative discolouration of methyl orange by TiO2/thiourea photocatalyst prepared via ball-milling/low thermal treatment
In this work, it is demonstrated that visible-light photocatalytic activity for degrading methyl orange (MO) could be improved by co-milling of TiO 2 (Degussa P25) with thiourea. The photocatalysts have been prepared by combined mechanochemical/thermal synthesis. Structures and morphology of the as-...
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| Veröffentlicht in: | Bulletin of materials science 2021-09, Vol.44 (3), p.228, Article 228 |
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| container_title | Bulletin of materials science |
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| creator | Kostova, N G Fabián, M Briančin, J Baláž, M Ficeriová, J Eliyas, A |
| description | In this work, it is demonstrated that visible-light photocatalytic activity for degrading methyl orange (MO) could be improved by co-milling of TiO
2
(Degussa P25) with thiourea. The photocatalysts have been prepared by combined mechanochemical/thermal synthesis. Structures and morphology of the as-prepared TiO
2
nanoparticles were characterized by X-ray powder diffraction, N
2
adsorption–desorption isotherms, UV‒Vis diffuse reflectance spectroscopy and scanning electron microscopy. It is shown that co-milling of TiO
2
with thiourea favours formation of brookite phase and it results in the occurrence of more porous structures. The optical properties are modified and the band gap energy values of the samples become smaller, when thiourea is introduced. Ball-milled samples show better photocatalytic activities during oxidative discolouration of MO than that of the initial TiO
2
. The discolouration degree is above 99% for ball-milled TiO
2
/thiuourea nanoparticles, while it is 2% for pure and 15% for ball-milled TiO
2
.
Graphic abstract |
| doi_str_mv | 10.1007/s12034-021-02522-2 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_journals_2920221009</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2920221009</sourcerecordid><originalsourceid>FETCH-LOGICAL-c319t-7f55e3f946e951e030fe90c5dde648cfaeb6e9466203be3b1240fc7c1c08e3963</originalsourceid><addsrcrecordid>eNp9UctuFTEMHSGQKIUfYBWJdbhOMo9miSqglSp1U9ZRJuPcSZWZDEl6Yf6Fj8X0IrFjYdmWz7Gtc5rmvYCPAmA4FCFBtRykoOik5PJFcwF6UHzoe_2SatkBbwcYXjdvSnkEELptxUXz63bZcjrhxE6hhDEij-E4V2ZdDadQd-ZTZulnmCz1yKZQXIrpKVObVpY8W7DOe2Qp2_WIbNzZQ7iXhzoHAqFl25xqcrbauJfKtoybzc_HLBttjHwJMYb1eIjpB6sz5sVGVolYF1zr2-aVt7Hgu7_5svn25fPD9Q2_u_96e_3pjjsldOWD7zpUXrc96k4gKPCowXXThH175bzFkSZt35NGI6pRyBa8G5xwcIVK9-qy-XDeS1J8f8JSzSN9v9JJI7UEKUljTSh5RrmcSsnozZbDYvNuBJg_LpizC4ZcMM8uGEkkdSYVApNC-d_q_7B-A4c6jsc</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2920221009</pqid></control><display><type>article</type><title>Improved visible-light activity for oxidative discolouration of methyl orange by TiO2/thiourea photocatalyst prepared via ball-milling/low thermal treatment</title><source>Indian Academy of Sciences</source><source>EZB-FREE-00999 freely available EZB journals</source><source>Free Full-Text Journals in Chemistry</source><source>SpringerLink Journals - AutoHoldings</source><source>ProQuest Central</source><creator>Kostova, N G ; Fabián, M ; Briančin, J ; Baláž, M ; Ficeriová, J ; Eliyas, A</creator><creatorcontrib>Kostova, N G ; Fabián, M ; Briančin, J ; Baláž, M ; Ficeriová, J ; Eliyas, A</creatorcontrib><description>In this work, it is demonstrated that visible-light photocatalytic activity for degrading methyl orange (MO) could be improved by co-milling of TiO
2
(Degussa P25) with thiourea. The photocatalysts have been prepared by combined mechanochemical/thermal synthesis. Structures and morphology of the as-prepared TiO
2
nanoparticles were characterized by X-ray powder diffraction, N
2
adsorption–desorption isotherms, UV‒Vis diffuse reflectance spectroscopy and scanning electron microscopy. It is shown that co-milling of TiO
2
with thiourea favours formation of brookite phase and it results in the occurrence of more porous structures. The optical properties are modified and the band gap energy values of the samples become smaller, when thiourea is introduced. Ball-milled samples show better photocatalytic activities during oxidative discolouration of MO than that of the initial TiO
2
. The discolouration degree is above 99% for ball-milled TiO
2
/thiuourea nanoparticles, while it is 2% for pure and 15% for ball-milled TiO
2
.
Graphic abstract</description><identifier>ISSN: 0250-4707</identifier><identifier>EISSN: 0973-7669</identifier><identifier>DOI: 10.1007/s12034-021-02522-2</identifier><language>eng</language><publisher>Bangalore: Indian Academy of Sciences</publisher><subject>Adsorption ; Ball milling ; Brookite ; Catalytic activity ; Chemistry and Materials Science ; Dyes ; Energy gap ; Energy value ; Engineering ; Heat treating ; Heat treatment ; Investigations ; Light ; Materials Science ; Nanoparticles ; Nitrogen ; Optical properties ; Oxidation ; Photocatalysis ; Photocatalysts ; Photodegradation ; Pore size ; Spectrum analysis ; Thioureas ; Titanium dioxide ; X ray powder diffraction</subject><ispartof>Bulletin of materials science, 2021-09, Vol.44 (3), p.228, Article 228</ispartof><rights>Indian Academy of Sciences 2021</rights><rights>Indian Academy of Sciences 2021.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-7f55e3f946e951e030fe90c5dde648cfaeb6e9466203be3b1240fc7c1c08e3963</citedby><cites>FETCH-LOGICAL-c319t-7f55e3f946e951e030fe90c5dde648cfaeb6e9466203be3b1240fc7c1c08e3963</cites><orcidid>0000-0002-8893-4195</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.proquest.com/docview/2920221009/fulltextPDF?pq-origsite=primo$$EPDF$$P50$$Gproquest$$H</linktopdf><linktohtml>$$Uhttps://www.proquest.com/docview/2920221009?pq-origsite=primo$$EHTML$$P50$$Gproquest$$H</linktohtml><link.rule.ids>314,776,780,21367,27901,27902,33721,41464,42533,43781,51294,74045</link.rule.ids></links><search><creatorcontrib>Kostova, N G</creatorcontrib><creatorcontrib>Fabián, M</creatorcontrib><creatorcontrib>Briančin, J</creatorcontrib><creatorcontrib>Baláž, M</creatorcontrib><creatorcontrib>Ficeriová, J</creatorcontrib><creatorcontrib>Eliyas, A</creatorcontrib><title>Improved visible-light activity for oxidative discolouration of methyl orange by TiO2/thiourea photocatalyst prepared via ball-milling/low thermal treatment</title><title>Bulletin of materials science</title><addtitle>Bull Mater Sci</addtitle><description>In this work, it is demonstrated that visible-light photocatalytic activity for degrading methyl orange (MO) could be improved by co-milling of TiO
2
(Degussa P25) with thiourea. The photocatalysts have been prepared by combined mechanochemical/thermal synthesis. Structures and morphology of the as-prepared TiO
2
nanoparticles were characterized by X-ray powder diffraction, N
2
adsorption–desorption isotherms, UV‒Vis diffuse reflectance spectroscopy and scanning electron microscopy. It is shown that co-milling of TiO
2
with thiourea favours formation of brookite phase and it results in the occurrence of more porous structures. The optical properties are modified and the band gap energy values of the samples become smaller, when thiourea is introduced. Ball-milled samples show better photocatalytic activities during oxidative discolouration of MO than that of the initial TiO
2
. The discolouration degree is above 99% for ball-milled TiO
2
/thiuourea nanoparticles, while it is 2% for pure and 15% for ball-milled TiO
2
.
Graphic abstract</description><subject>Adsorption</subject><subject>Ball milling</subject><subject>Brookite</subject><subject>Catalytic activity</subject><subject>Chemistry and Materials Science</subject><subject>Dyes</subject><subject>Energy gap</subject><subject>Energy value</subject><subject>Engineering</subject><subject>Heat treating</subject><subject>Heat treatment</subject><subject>Investigations</subject><subject>Light</subject><subject>Materials Science</subject><subject>Nanoparticles</subject><subject>Nitrogen</subject><subject>Optical properties</subject><subject>Oxidation</subject><subject>Photocatalysis</subject><subject>Photocatalysts</subject><subject>Photodegradation</subject><subject>Pore size</subject><subject>Spectrum analysis</subject><subject>Thioureas</subject><subject>Titanium dioxide</subject><subject>X ray powder diffraction</subject><issn>0250-4707</issn><issn>0973-7669</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9UctuFTEMHSGQKIUfYBWJdbhOMo9miSqglSp1U9ZRJuPcSZWZDEl6Yf6Fj8X0IrFjYdmWz7Gtc5rmvYCPAmA4FCFBtRykoOik5PJFcwF6UHzoe_2SatkBbwcYXjdvSnkEELptxUXz63bZcjrhxE6hhDEij-E4V2ZdDadQd-ZTZulnmCz1yKZQXIrpKVObVpY8W7DOe2Qp2_WIbNzZQ7iXhzoHAqFl25xqcrbauJfKtoybzc_HLBttjHwJMYb1eIjpB6sz5sVGVolYF1zr2-aVt7Hgu7_5svn25fPD9Q2_u_96e_3pjjsldOWD7zpUXrc96k4gKPCowXXThH175bzFkSZt35NGI6pRyBa8G5xwcIVK9-qy-XDeS1J8f8JSzSN9v9JJI7UEKUljTSh5RrmcSsnozZbDYvNuBJg_LpizC4ZcMM8uGEkkdSYVApNC-d_q_7B-A4c6jsc</recordid><startdate>20210901</startdate><enddate>20210901</enddate><creator>Kostova, N G</creator><creator>Fabián, M</creator><creator>Briančin, J</creator><creator>Baláž, M</creator><creator>Ficeriová, J</creator><creator>Eliyas, A</creator><general>Indian Academy of Sciences</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><orcidid>https://orcid.org/0000-0002-8893-4195</orcidid></search><sort><creationdate>20210901</creationdate><title>Improved visible-light activity for oxidative discolouration of methyl orange by TiO2/thiourea photocatalyst prepared via ball-milling/low thermal treatment</title><author>Kostova, N G ; Fabián, M ; Briančin, J ; Baláž, M ; Ficeriová, J ; Eliyas, A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c319t-7f55e3f946e951e030fe90c5dde648cfaeb6e9466203be3b1240fc7c1c08e3963</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Adsorption</topic><topic>Ball milling</topic><topic>Brookite</topic><topic>Catalytic activity</topic><topic>Chemistry and Materials Science</topic><topic>Dyes</topic><topic>Energy gap</topic><topic>Energy value</topic><topic>Engineering</topic><topic>Heat treating</topic><topic>Heat treatment</topic><topic>Investigations</topic><topic>Light</topic><topic>Materials Science</topic><topic>Nanoparticles</topic><topic>Nitrogen</topic><topic>Optical properties</topic><topic>Oxidation</topic><topic>Photocatalysis</topic><topic>Photocatalysts</topic><topic>Photodegradation</topic><topic>Pore size</topic><topic>Spectrum analysis</topic><topic>Thioureas</topic><topic>Titanium dioxide</topic><topic>X ray powder diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kostova, N G</creatorcontrib><creatorcontrib>Fabián, M</creatorcontrib><creatorcontrib>Briančin, J</creatorcontrib><creatorcontrib>Baláž, M</creatorcontrib><creatorcontrib>Ficeriová, J</creatorcontrib><creatorcontrib>Eliyas, A</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>Materials Science Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><jtitle>Bulletin of materials science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kostova, N G</au><au>Fabián, M</au><au>Briančin, J</au><au>Baláž, M</au><au>Ficeriová, J</au><au>Eliyas, A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Improved visible-light activity for oxidative discolouration of methyl orange by TiO2/thiourea photocatalyst prepared via ball-milling/low thermal treatment</atitle><jtitle>Bulletin of materials science</jtitle><stitle>Bull Mater Sci</stitle><date>2021-09-01</date><risdate>2021</risdate><volume>44</volume><issue>3</issue><spage>228</spage><pages>228-</pages><artnum>228</artnum><issn>0250-4707</issn><eissn>0973-7669</eissn><abstract>In this work, it is demonstrated that visible-light photocatalytic activity for degrading methyl orange (MO) could be improved by co-milling of TiO
2
(Degussa P25) with thiourea. The photocatalysts have been prepared by combined mechanochemical/thermal synthesis. Structures and morphology of the as-prepared TiO
2
nanoparticles were characterized by X-ray powder diffraction, N
2
adsorption–desorption isotherms, UV‒Vis diffuse reflectance spectroscopy and scanning electron microscopy. It is shown that co-milling of TiO
2
with thiourea favours formation of brookite phase and it results in the occurrence of more porous structures. The optical properties are modified and the band gap energy values of the samples become smaller, when thiourea is introduced. Ball-milled samples show better photocatalytic activities during oxidative discolouration of MO than that of the initial TiO
2
. The discolouration degree is above 99% for ball-milled TiO
2
/thiuourea nanoparticles, while it is 2% for pure and 15% for ball-milled TiO
2
.
Graphic abstract</abstract><cop>Bangalore</cop><pub>Indian Academy of Sciences</pub><doi>10.1007/s12034-021-02522-2</doi><orcidid>https://orcid.org/0000-0002-8893-4195</orcidid></addata></record> |
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| source | Indian Academy of Sciences; EZB-FREE-00999 freely available EZB journals; Free Full-Text Journals in Chemistry; SpringerLink Journals - AutoHoldings; ProQuest Central |
| subjects | Adsorption Ball milling Brookite Catalytic activity Chemistry and Materials Science Dyes Energy gap Energy value Engineering Heat treating Heat treatment Investigations Light Materials Science Nanoparticles Nitrogen Optical properties Oxidation Photocatalysis Photocatalysts Photodegradation Pore size Spectrum analysis Thioureas Titanium dioxide X ray powder diffraction |
| title | Improved visible-light activity for oxidative discolouration of methyl orange by TiO2/thiourea photocatalyst prepared via ball-milling/low thermal treatment |
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