Tuning of selective solar photocatalysis by Mn^sup 2+^ decorated nanocrystalline mesoporous TiO^sub 2
We report a novel design for visible light activated mesoporous titania (TiO2) for selective photocatalysis. The resulted TiO2 nanomaterials were characterized by Transmission Electron Microscopy (TEM), Powder X-ray Diffraction (PXRD), Fourier Transformed Infra-Red (FTIR) spectroscopy, BET surface a...
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| Veröffentlicht in: | Solar energy 2017-12, Vol.158, p.774 |
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| creator | Beegam, M Shahnas Narendranath, Soumya B Periyat, Pradeepan |
| description | We report a novel design for visible light activated mesoporous titania (TiO2) for selective photocatalysis. The resulted TiO2 nanomaterials were characterized by Transmission Electron Microscopy (TEM), Powder X-ray Diffraction (PXRD), Fourier Transformed Infra-Red (FTIR) spectroscopy, BET surface area measurement and Ultra violet-visible (UV-Vis) spectroscopy. The selective photocatalysis was tested by measuring the rate of degradation of aqueous dye mixture of methyl orange (MO) and methylene blue (MB), and the rate of selective degradation of the dye mixture was tuned by varying the surface charge on the TiO2. The surface charge was probed with zeta (ζ) potential measurements. The ζ-potential measurement showed that the selectivity of dye degradation depended on the surface charge present on the TiO2 nanomaterial. |
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The resulted TiO2 nanomaterials were characterized by Transmission Electron Microscopy (TEM), Powder X-ray Diffraction (PXRD), Fourier Transformed Infra-Red (FTIR) spectroscopy, BET surface area measurement and Ultra violet-visible (UV-Vis) spectroscopy. The selective photocatalysis was tested by measuring the rate of degradation of aqueous dye mixture of methyl orange (MO) and methylene blue (MB), and the rate of selective degradation of the dye mixture was tuned by varying the surface charge on the TiO2. The surface charge was probed with zeta (ζ) potential measurements. 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The ζ-potential measurement showed that the selectivity of dye degradation depended on the surface charge present on the TiO2 nanomaterial.</description><subject>Degradation</subject><subject>Dyes</subject><subject>Electron microscopy</subject><subject>Fourier transforms</subject><subject>Infrared spectroscopy</subject><subject>Methylene blue</subject><subject>Nanocrystals</subject><subject>Nanomaterials</subject><subject>Nanotechnology</subject><subject>Photocatalysis</subject><subject>Solar energy</subject><subject>Spectroscopy</subject><subject>Studies</subject><subject>Surface charge</subject><subject>Titanium</subject><subject>Titanium dioxide</subject><subject>Transmission electron microscopy</subject><subject>X ray powder diffraction</subject><subject>X-ray diffraction</subject><issn>0038-092X</issn><issn>1471-1257</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqNi7FuwjAUAC1UJFLgH57UsYpkO6CYGRV1qbpk6JTIhAcYGb_gZyPl75uhH9DphrubiUJtalUqva1fRCFlZUq50z8L8cp8k1LVytSFwCYHFy5AZ2D02Cf3RGDyNsJwpUS9TdaP7BiOI3yFlvMA-r2FE_YUbcITBBuojyNPnXcB4Y5MA0XKDI37noYj6JWYn61nXP9xKd4OH83-sxwiPTJy6m6UY5hUp3bGKGk2qqr-V_0C7vNIkg</recordid><startdate>20171201</startdate><enddate>20171201</enddate><creator>Beegam, M Shahnas</creator><creator>Narendranath, Soumya B</creator><creator>Periyat, Pradeepan</creator><general>Pergamon Press Inc</general><scope>7SP</scope><scope>7ST</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>KR7</scope><scope>L7M</scope><scope>SOI</scope></search><sort><creationdate>20171201</creationdate><title>Tuning of selective solar photocatalysis by Mn^sup 2+^ decorated nanocrystalline mesoporous TiO^sub 2</title><author>Beegam, M Shahnas ; Narendranath, Soumya B ; Periyat, Pradeepan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_journals_19881084133</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Degradation</topic><topic>Dyes</topic><topic>Electron microscopy</topic><topic>Fourier transforms</topic><topic>Infrared spectroscopy</topic><topic>Methylene blue</topic><topic>Nanocrystals</topic><topic>Nanomaterials</topic><topic>Nanotechnology</topic><topic>Photocatalysis</topic><topic>Solar energy</topic><topic>Spectroscopy</topic><topic>Studies</topic><topic>Surface charge</topic><topic>Titanium</topic><topic>Titanium dioxide</topic><topic>Transmission electron microscopy</topic><topic>X ray powder diffraction</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Beegam, M Shahnas</creatorcontrib><creatorcontrib>Narendranath, Soumya B</creatorcontrib><creatorcontrib>Periyat, Pradeepan</creatorcontrib><collection>Electronics & Communications Abstracts</collection><collection>Environment Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><jtitle>Solar energy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Beegam, M Shahnas</au><au>Narendranath, Soumya B</au><au>Periyat, Pradeepan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Tuning of selective solar photocatalysis by Mn^sup 2+^ decorated nanocrystalline mesoporous TiO^sub 2</atitle><jtitle>Solar energy</jtitle><date>2017-12-01</date><risdate>2017</risdate><volume>158</volume><spage>774</spage><pages>774-</pages><issn>0038-092X</issn><eissn>1471-1257</eissn><abstract>We report a novel design for visible light activated mesoporous titania (TiO2) for selective photocatalysis. 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| identifier | ISSN: 0038-092X |
| ispartof | Solar energy, 2017-12, Vol.158, p.774 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Degradation Dyes Electron microscopy Fourier transforms Infrared spectroscopy Methylene blue Nanocrystals Nanomaterials Nanotechnology Photocatalysis Solar energy Spectroscopy Studies Surface charge Titanium Titanium dioxide Transmission electron microscopy X ray powder diffraction X-ray diffraction |
| title | Tuning of selective solar photocatalysis by Mn^sup 2+^ decorated nanocrystalline mesoporous TiO^sub 2 |
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