Preparation of K-doped TiO2 nanostructures by wet corrosion and their sunlight-driven photocatalytic performance
[Display omitted] •Potassium-doped TiO2 nanowire networks were prepared by the corrosion reaction of Ti nanoparticles in an alkaline solution.•They were applied to sunlight-driven photocatalytic degradation of differently charged dye molecules.•The adsorption of the dye molecules on the photocatalys...
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| Veröffentlicht in: | Applied surface science 2016-08, Vol.379, p.33-38 |
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| creator | Shin, Eunhye Jin, Saera Kim, Jiyoon Chang, Sung-Jin Jun, Byung-Hyuk Park, Kwang-Won Hong, Jongin |
| description | [Display omitted]
•Potassium-doped TiO2 nanowire networks were prepared by the corrosion reaction of Ti nanoparticles in an alkaline solution.•They were applied to sunlight-driven photocatalytic degradation of differently charged dye molecules.•The adsorption of the dye molecules on the photocatalyst surface is crucial for their sunlight-driven photodegradation.
K-doped TiO2 nanowire networks were prepared by the corrosion reaction of Ti nanoparticles in an alkaline (potassium hydroxide: KOH) solution. The prepared nanostructures were characterized by scanning electron microscopy (SEM), Brunauer-Emmett-Teller (BET) analysis, X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, X-ray diffraction (XRD) and photoluminescence (PL) spectra. Their sunlight-driven photocatalytic activity was also investigated with differently charged dye molecules, such as methylene blue, rhodamine B and methyl orange. The adsorption of the dye molecules on the photocatalyst surface would play a critical role in their selective photodegradation under sunlight illumination. |
| doi_str_mv | 10.1016/j.apsusc.2016.03.222 |
| format | Article |
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•Potassium-doped TiO2 nanowire networks were prepared by the corrosion reaction of Ti nanoparticles in an alkaline solution.•They were applied to sunlight-driven photocatalytic degradation of differently charged dye molecules.•The adsorption of the dye molecules on the photocatalyst surface is crucial for their sunlight-driven photodegradation.
K-doped TiO2 nanowire networks were prepared by the corrosion reaction of Ti nanoparticles in an alkaline (potassium hydroxide: KOH) solution. The prepared nanostructures were characterized by scanning electron microscopy (SEM), Brunauer-Emmett-Teller (BET) analysis, X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, X-ray diffraction (XRD) and photoluminescence (PL) spectra. Their sunlight-driven photocatalytic activity was also investigated with differently charged dye molecules, such as methylene blue, rhodamine B and methyl orange. The adsorption of the dye molecules on the photocatalyst surface would play a critical role in their selective photodegradation under sunlight illumination.</description><identifier>ISSN: 0169-4332</identifier><identifier>EISSN: 1873-5584</identifier><identifier>DOI: 10.1016/j.apsusc.2016.03.222</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Corrosion ; Dye ; Dyes ; Nanostructure ; Photocatalysis ; Photocatalyst ; Scanning electron microscopy ; Sunlight ; Surface chemistry ; TiO2 ; Titanium dioxide ; Wet corrosion ; X-rays</subject><ispartof>Applied surface science, 2016-08, Vol.379, p.33-38</ispartof><rights>2016</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c306t-8360789d29607a6bb209ab0ccd6aade3ff47830b9d15d3ffa000a4ec442f49703</citedby><cites>FETCH-LOGICAL-c306t-8360789d29607a6bb209ab0ccd6aade3ff47830b9d15d3ffa000a4ec442f49703</cites><orcidid>0000-0002-2891-5785</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0169433216307152$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,65309</link.rule.ids></links><search><creatorcontrib>Shin, Eunhye</creatorcontrib><creatorcontrib>Jin, Saera</creatorcontrib><creatorcontrib>Kim, Jiyoon</creatorcontrib><creatorcontrib>Chang, Sung-Jin</creatorcontrib><creatorcontrib>Jun, Byung-Hyuk</creatorcontrib><creatorcontrib>Park, Kwang-Won</creatorcontrib><creatorcontrib>Hong, Jongin</creatorcontrib><title>Preparation of K-doped TiO2 nanostructures by wet corrosion and their sunlight-driven photocatalytic performance</title><title>Applied surface science</title><description>[Display omitted]
•Potassium-doped TiO2 nanowire networks were prepared by the corrosion reaction of Ti nanoparticles in an alkaline solution.•They were applied to sunlight-driven photocatalytic degradation of differently charged dye molecules.•The adsorption of the dye molecules on the photocatalyst surface is crucial for their sunlight-driven photodegradation.
K-doped TiO2 nanowire networks were prepared by the corrosion reaction of Ti nanoparticles in an alkaline (potassium hydroxide: KOH) solution. The prepared nanostructures were characterized by scanning electron microscopy (SEM), Brunauer-Emmett-Teller (BET) analysis, X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, X-ray diffraction (XRD) and photoluminescence (PL) spectra. Their sunlight-driven photocatalytic activity was also investigated with differently charged dye molecules, such as methylene blue, rhodamine B and methyl orange. The adsorption of the dye molecules on the photocatalyst surface would play a critical role in their selective photodegradation under sunlight illumination.</description><subject>Corrosion</subject><subject>Dye</subject><subject>Dyes</subject><subject>Nanostructure</subject><subject>Photocatalysis</subject><subject>Photocatalyst</subject><subject>Scanning electron microscopy</subject><subject>Sunlight</subject><subject>Surface chemistry</subject><subject>TiO2</subject><subject>Titanium dioxide</subject><subject>Wet corrosion</subject><subject>X-rays</subject><issn>0169-4332</issn><issn>1873-5584</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp9UEtLxDAYDKLguvoPPOTopTVN0tdFEPGFC3rQc_iafHWzdJuapMr-e7OsZ0_DMA-YIeSyYHnBiup6k8MU5qBznljORM45PyKLoqlFVpaNPCaLJLSZFIKfkrMQNowVPKkLMr15nMBDtG6krqcvmXETGvpuXzkdYXQh-lnH2WOg3Y7-YKTaee_C3g-joXGN1tMwj4P9XMfMePuNI53WLjoNEYZdtJpO6HvntzBqPCcnPQwBL_5wST4e7t_vnrLV6-Pz3e0q04JVMWtExeqmNbxNCFXXcdZCx7Q2FYBB0feybgTrWlOUJjFgjIFELSXvZVszsSRXh97Ju68ZQ1RbGzQOA4zo5qCKhpeyqsqmTVZ5sOq0K3js1eTtFvxOFUztD1YbdThY7Q9WTKh0cIrdHGKYZnxb9Cpoi2misR51VMbZ_wt-AZZmiNQ</recordid><startdate>20160830</startdate><enddate>20160830</enddate><creator>Shin, Eunhye</creator><creator>Jin, Saera</creator><creator>Kim, Jiyoon</creator><creator>Chang, Sung-Jin</creator><creator>Jun, Byung-Hyuk</creator><creator>Park, Kwang-Won</creator><creator>Hong, Jongin</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SE</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-2891-5785</orcidid></search><sort><creationdate>20160830</creationdate><title>Preparation of K-doped TiO2 nanostructures by wet corrosion and their sunlight-driven photocatalytic performance</title><author>Shin, Eunhye ; Jin, Saera ; Kim, Jiyoon ; Chang, Sung-Jin ; Jun, Byung-Hyuk ; Park, Kwang-Won ; Hong, Jongin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c306t-8360789d29607a6bb209ab0ccd6aade3ff47830b9d15d3ffa000a4ec442f49703</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Corrosion</topic><topic>Dye</topic><topic>Dyes</topic><topic>Nanostructure</topic><topic>Photocatalysis</topic><topic>Photocatalyst</topic><topic>Scanning electron microscopy</topic><topic>Sunlight</topic><topic>Surface chemistry</topic><topic>TiO2</topic><topic>Titanium dioxide</topic><topic>Wet corrosion</topic><topic>X-rays</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shin, Eunhye</creatorcontrib><creatorcontrib>Jin, Saera</creatorcontrib><creatorcontrib>Kim, Jiyoon</creatorcontrib><creatorcontrib>Chang, Sung-Jin</creatorcontrib><creatorcontrib>Jun, Byung-Hyuk</creatorcontrib><creatorcontrib>Park, Kwang-Won</creatorcontrib><creatorcontrib>Hong, Jongin</creatorcontrib><collection>CrossRef</collection><collection>Corrosion Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Applied surface science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shin, Eunhye</au><au>Jin, Saera</au><au>Kim, Jiyoon</au><au>Chang, Sung-Jin</au><au>Jun, Byung-Hyuk</au><au>Park, Kwang-Won</au><au>Hong, Jongin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Preparation of K-doped TiO2 nanostructures by wet corrosion and their sunlight-driven photocatalytic performance</atitle><jtitle>Applied surface science</jtitle><date>2016-08-30</date><risdate>2016</risdate><volume>379</volume><spage>33</spage><epage>38</epage><pages>33-38</pages><issn>0169-4332</issn><eissn>1873-5584</eissn><abstract>[Display omitted]
•Potassium-doped TiO2 nanowire networks were prepared by the corrosion reaction of Ti nanoparticles in an alkaline solution.•They were applied to sunlight-driven photocatalytic degradation of differently charged dye molecules.•The adsorption of the dye molecules on the photocatalyst surface is crucial for their sunlight-driven photodegradation.
K-doped TiO2 nanowire networks were prepared by the corrosion reaction of Ti nanoparticles in an alkaline (potassium hydroxide: KOH) solution. The prepared nanostructures were characterized by scanning electron microscopy (SEM), Brunauer-Emmett-Teller (BET) analysis, X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, X-ray diffraction (XRD) and photoluminescence (PL) spectra. Their sunlight-driven photocatalytic activity was also investigated with differently charged dye molecules, such as methylene blue, rhodamine B and methyl orange. The adsorption of the dye molecules on the photocatalyst surface would play a critical role in their selective photodegradation under sunlight illumination.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.apsusc.2016.03.222</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0002-2891-5785</orcidid></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Corrosion Dye Dyes Nanostructure Photocatalysis Photocatalyst Scanning electron microscopy Sunlight Surface chemistry TiO2 Titanium dioxide Wet corrosion X-rays |
| title | Preparation of K-doped TiO2 nanostructures by wet corrosion and their sunlight-driven photocatalytic performance |
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