Photocatalytic decomposition of perfluorooctanoic acid by iron and niobium co-doped titanium dioxide
The photocatalytic decomposition of perfluorooctanoic acid (PFOA) in aqueous solution using Fe and Nb co-doped TiO 2 (Fe:Nb-TiO 2) prepared by sol–gel method was investigated. The photocatalytic activity of Fe:Nb-TiO 2 towards PFOA degradation was compared to that of pure TiO 2 synthesized using the...
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| Veröffentlicht in: | Journal of hazardous materials 2010-07, Vol.179 (1), p.79-83 |
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| creator | Estrellan, Carl Renan Salim, Chris Hinode, Hirofumi |
| description | The photocatalytic decomposition of perfluorooctanoic acid (PFOA) in aqueous solution using Fe and Nb co-doped TiO
2 (Fe:Nb-TiO
2) prepared by sol–gel method was investigated. The photocatalytic activity of Fe:Nb-TiO
2 towards PFOA degradation was compared to that of pure TiO
2 synthesized using the same method, and that of the commercially available TiO
2 photocatalyst, Aeroxide TiO
2 P25 (AO-TiO
2 P25). The photocatalysts were characterized by XRD, DRS, BET-N
2 adsorption isotherm, and SEM-EDX techniques and the data were correlated to the photocatalytic activity. Fe:Nb-TiO
2 showed the highest activity compared to the undoped TiO
2 and the commercially available TiO
2. Such activity was attributable to the effects of co-doping both on the physico-chemical properties and surface interfacial charge transfer mechanisms. Perfluorocarboxylic acids (PFCAs) with shorter carbon chain length and fluoride ions were identified as photocatalytic reaction intermediates and products. |
| doi_str_mv | 10.1016/j.jhazmat.2010.02.060 |
| format | Article |
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2 (Fe:Nb-TiO
2) prepared by sol–gel method was investigated. The photocatalytic activity of Fe:Nb-TiO
2 towards PFOA degradation was compared to that of pure TiO
2 synthesized using the same method, and that of the commercially available TiO
2 photocatalyst, Aeroxide TiO
2 P25 (AO-TiO
2 P25). The photocatalysts were characterized by XRD, DRS, BET-N
2 adsorption isotherm, and SEM-EDX techniques and the data were correlated to the photocatalytic activity. Fe:Nb-TiO
2 showed the highest activity compared to the undoped TiO
2 and the commercially available TiO
2. Such activity was attributable to the effects of co-doping both on the physico-chemical properties and surface interfacial charge transfer mechanisms. Perfluorocarboxylic acids (PFCAs) with shorter carbon chain length and fluoride ions were identified as photocatalytic reaction intermediates and products.</description><identifier>ISSN: 0304-3894</identifier><identifier>EISSN: 1873-3336</identifier><identifier>DOI: 10.1016/j.jhazmat.2010.02.060</identifier><identifier>PMID: 20236761</identifier><identifier>CODEN: JHMAD9</identifier><language>eng</language><publisher>Kidlington: Elsevier B.V</publisher><subject>Adsorption ; Applied sciences ; Caprylates - chemistry ; Carbon ; Catalysis ; Catalytic reactions ; Charge transfer ; Chemical engineering ; Chemistry ; Decomposition ; Exact sciences and technology ; Fluorocarbons - chemistry ; Gas Chromatography-Mass Spectrometry ; General and physical chemistry ; Indicators and Reagents ; Iron ; Iron - chemistry ; Metal co-doping ; Niobium ; Niobium - chemistry ; PFOA ; Photocatalysis ; Photochemistry ; Pollution ; Reactors ; Sol gel process ; Solutions ; Surface chemistry ; Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry ; TiO 2 photocatalysis ; Titanium - chemistry ; Titanium dioxide ; Valence band hole reaction ; X-Ray Diffraction</subject><ispartof>Journal of hazardous materials, 2010-07, Vol.179 (1), p.79-83</ispartof><rights>2010 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><rights>2010 Elsevier B.V. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c610t-806efbea2a8cc32d610b2c1b61313436ad0f041bc293adcaad56314dcfcae9d23</citedby><cites>FETCH-LOGICAL-c610t-806efbea2a8cc32d610b2c1b61313436ad0f041bc293adcaad56314dcfcae9d23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jhazmat.2010.02.060$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22783169$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/20236761$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Estrellan, Carl Renan</creatorcontrib><creatorcontrib>Salim, Chris</creatorcontrib><creatorcontrib>Hinode, Hirofumi</creatorcontrib><title>Photocatalytic decomposition of perfluorooctanoic acid by iron and niobium co-doped titanium dioxide</title><title>Journal of hazardous materials</title><addtitle>J Hazard Mater</addtitle><description>The photocatalytic decomposition of perfluorooctanoic acid (PFOA) in aqueous solution using Fe and Nb co-doped TiO
2 (Fe:Nb-TiO
2) prepared by sol–gel method was investigated. The photocatalytic activity of Fe:Nb-TiO
2 towards PFOA degradation was compared to that of pure TiO
2 synthesized using the same method, and that of the commercially available TiO
2 photocatalyst, Aeroxide TiO
2 P25 (AO-TiO
2 P25). The photocatalysts were characterized by XRD, DRS, BET-N
2 adsorption isotherm, and SEM-EDX techniques and the data were correlated to the photocatalytic activity. Fe:Nb-TiO
2 showed the highest activity compared to the undoped TiO
2 and the commercially available TiO
2. Such activity was attributable to the effects of co-doping both on the physico-chemical properties and surface interfacial charge transfer mechanisms. Perfluorocarboxylic acids (PFCAs) with shorter carbon chain length and fluoride ions were identified as photocatalytic reaction intermediates and products.</description><subject>Adsorption</subject><subject>Applied sciences</subject><subject>Caprylates - chemistry</subject><subject>Carbon</subject><subject>Catalysis</subject><subject>Catalytic reactions</subject><subject>Charge transfer</subject><subject>Chemical engineering</subject><subject>Chemistry</subject><subject>Decomposition</subject><subject>Exact sciences and technology</subject><subject>Fluorocarbons - chemistry</subject><subject>Gas Chromatography-Mass Spectrometry</subject><subject>General and physical chemistry</subject><subject>Indicators and Reagents</subject><subject>Iron</subject><subject>Iron - chemistry</subject><subject>Metal co-doping</subject><subject>Niobium</subject><subject>Niobium - chemistry</subject><subject>PFOA</subject><subject>Photocatalysis</subject><subject>Photochemistry</subject><subject>Pollution</subject><subject>Reactors</subject><subject>Sol gel process</subject><subject>Solutions</subject><subject>Surface chemistry</subject><subject>Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry</subject><subject>TiO 2 photocatalysis</subject><subject>Titanium - chemistry</subject><subject>Titanium dioxide</subject><subject>Valence band hole reaction</subject><subject>X-Ray Diffraction</subject><issn>0304-3894</issn><issn>1873-3336</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqF0U1v1DAQBmALUdGl8BNAuSB6yTK2Eyc5oario1KlcoCzNRk7qldJHGynYvn19WoXuNGTpVfPjC2_jL3hsOXA1YfddnePvydMWwE5A7EFBc_YhreNLKWU6jnbgISqlG1XnbOXMe4AgDd19YKdCxBSNYpvmPl275MnTDjuk6PCWPLT4qNLzs-FH4rFhmFcffCeEs4-EyRnin5fuJAFzqaYne_dOhXkS-MXa4rkMj0kxvlfzthX7GzAMdrXp_OC_fj86fv11_L27svN9dVtSYpDKltQdugtCmyJpDA57AXxXnHJZSUVGhig4j2JTqIhRFMryStDA6HtjJAX7P1x7xL8z9XGpCcXyY4jztavUTcKBKi6409LKWshOUCWl_-VvGlA5q3NgdZHSsHHGOygl-AmDHvNQR9K0zt9Kk0fStMgdC4tz709XbH2kzV_p_60lMG7E8BIOA4BZ3LxnxNNK7nqsvt4dDZ_8oOzQUdydiZrXLCUtPHuiac8AltPuV0</recordid><startdate>20100715</startdate><enddate>20100715</enddate><creator>Estrellan, Carl Renan</creator><creator>Salim, Chris</creator><creator>Hinode, Hirofumi</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>7X8</scope><scope>7ST</scope><scope>7U7</scope><scope>C1K</scope><scope>SOI</scope></search><sort><creationdate>20100715</creationdate><title>Photocatalytic decomposition of perfluorooctanoic acid by iron and niobium co-doped titanium dioxide</title><author>Estrellan, Carl Renan ; Salim, Chris ; Hinode, Hirofumi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c610t-806efbea2a8cc32d610b2c1b61313436ad0f041bc293adcaad56314dcfcae9d23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Adsorption</topic><topic>Applied sciences</topic><topic>Caprylates - chemistry</topic><topic>Carbon</topic><topic>Catalysis</topic><topic>Catalytic reactions</topic><topic>Charge transfer</topic><topic>Chemical engineering</topic><topic>Chemistry</topic><topic>Decomposition</topic><topic>Exact sciences and technology</topic><topic>Fluorocarbons - chemistry</topic><topic>Gas Chromatography-Mass Spectrometry</topic><topic>General and physical chemistry</topic><topic>Indicators and Reagents</topic><topic>Iron</topic><topic>Iron - chemistry</topic><topic>Metal co-doping</topic><topic>Niobium</topic><topic>Niobium - chemistry</topic><topic>PFOA</topic><topic>Photocatalysis</topic><topic>Photochemistry</topic><topic>Pollution</topic><topic>Reactors</topic><topic>Sol gel process</topic><topic>Solutions</topic><topic>Surface chemistry</topic><topic>Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry</topic><topic>TiO 2 photocatalysis</topic><topic>Titanium - chemistry</topic><topic>Titanium dioxide</topic><topic>Valence band hole reaction</topic><topic>X-Ray Diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Estrellan, Carl Renan</creatorcontrib><creatorcontrib>Salim, Chris</creatorcontrib><creatorcontrib>Hinode, Hirofumi</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>MEDLINE - Academic</collection><collection>Environment Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><jtitle>Journal of hazardous materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Estrellan, Carl Renan</au><au>Salim, Chris</au><au>Hinode, Hirofumi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Photocatalytic decomposition of perfluorooctanoic acid by iron and niobium co-doped titanium dioxide</atitle><jtitle>Journal of hazardous materials</jtitle><addtitle>J Hazard Mater</addtitle><date>2010-07-15</date><risdate>2010</risdate><volume>179</volume><issue>1</issue><spage>79</spage><epage>83</epage><pages>79-83</pages><issn>0304-3894</issn><eissn>1873-3336</eissn><coden>JHMAD9</coden><abstract>The photocatalytic decomposition of perfluorooctanoic acid (PFOA) in aqueous solution using Fe and Nb co-doped TiO
2 (Fe:Nb-TiO
2) prepared by sol–gel method was investigated. The photocatalytic activity of Fe:Nb-TiO
2 towards PFOA degradation was compared to that of pure TiO
2 synthesized using the same method, and that of the commercially available TiO
2 photocatalyst, Aeroxide TiO
2 P25 (AO-TiO
2 P25). The photocatalysts were characterized by XRD, DRS, BET-N
2 adsorption isotherm, and SEM-EDX techniques and the data were correlated to the photocatalytic activity. Fe:Nb-TiO
2 showed the highest activity compared to the undoped TiO
2 and the commercially available TiO
2. Such activity was attributable to the effects of co-doping both on the physico-chemical properties and surface interfacial charge transfer mechanisms. Perfluorocarboxylic acids (PFCAs) with shorter carbon chain length and fluoride ions were identified as photocatalytic reaction intermediates and products.</abstract><cop>Kidlington</cop><pub>Elsevier B.V</pub><pmid>20236761</pmid><doi>10.1016/j.jhazmat.2010.02.060</doi><tpages>5</tpages></addata></record> |
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| ispartof | Journal of hazardous materials, 2010-07, Vol.179 (1), p.79-83 |
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| source | MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | Adsorption Applied sciences Caprylates - chemistry Carbon Catalysis Catalytic reactions Charge transfer Chemical engineering Chemistry Decomposition Exact sciences and technology Fluorocarbons - chemistry Gas Chromatography-Mass Spectrometry General and physical chemistry Indicators and Reagents Iron Iron - chemistry Metal co-doping Niobium Niobium - chemistry PFOA Photocatalysis Photochemistry Pollution Reactors Sol gel process Solutions Surface chemistry Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry TiO 2 photocatalysis Titanium - chemistry Titanium dioxide Valence band hole reaction X-Ray Diffraction |
| title | Photocatalytic decomposition of perfluorooctanoic acid by iron and niobium co-doped titanium dioxide |
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