Effect of Al3+substituted zinc ferrite on photocatalytic degradation ofOrange I azo dye
tAluminum substituted zinc ferrite catalysts were prepared by the sol-gel auto-combustion method andcharacterized by using Mössbauer spectroscopy and nitrogen adsorption-desorption isotherm measure-ments. The photocatalytic activity of ZnFe2−xAlxO4(0 ≤ x ≤ 2) spinel ferrites was evaluated for the fi...
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| Veröffentlicht in: | Journal of photochemistry and photobiology. A, Chemistry. Chemistry., 2014, Vol.279, p.17-23 |
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| container_title | Journal of photochemistry and photobiology. A, Chemistry. |
| container_volume | 279 |
| creator | Borhan, Adrian Iulian Samoila, Petre Hulea, Vasile Iordan, Alexandra Raluca Palamaru, Mircea Nicolae |
| description | tAluminum substituted zinc ferrite catalysts were prepared by the sol-gel auto-combustion method andcharacterized by using Mössbauer spectroscopy and nitrogen adsorption-desorption isotherm measure-ments. The photocatalytic activity of ZnFe2−xAlxO4(0 ≤ x ≤ 2) spinel ferrites was evaluated for the firsttime on Orange I azo dye degradation under UV light illumination. The results showed that the photo-catalytic process was promoted when aluminum cations substituted iron cations located in octahedralsites of zinc ferrite lattice. Therefore, the Orange I azo dye best removal efficiency was observed when theAl3+and Fe3+are presents in equimolar amounts. The dye degradation performance of the ZnFe2−xAlxO4(0 ≤ x ≤ 2) catalysts was related to the crystallite size than to the BET surface area values and to thepresence of secondary phases, such as -Fe2O3and ZnO. |
| doi_str_mv | 10.1016/j.jphotochem.2014.01.010 |
| format | Article |
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The photocatalytic activity of ZnFe2−xAlxO4(0 ≤ x ≤ 2) spinel ferrites was evaluated for the firsttime on Orange I azo dye degradation under UV light illumination. The results showed that the photo-catalytic process was promoted when aluminum cations substituted iron cations located in octahedralsites of zinc ferrite lattice. Therefore, the Orange I azo dye best removal efficiency was observed when theAl3+and Fe3+are presents in equimolar amounts. The dye degradation performance of the ZnFe2−xAlxO4(0 ≤ x ≤ 2) catalysts was related to the crystallite size than to the BET surface area values and to thepresence of secondary phases, such as -Fe2O3and ZnO.</description><identifier>ISSN: 1010-6030</identifier><identifier>DOI: 10.1016/j.jphotochem.2014.01.010</identifier><language>eng</language><publisher>Elsevier</publisher><subject>Catalysis ; Chemical Sciences</subject><ispartof>Journal of photochemistry and photobiology. 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A, Chemistry.</title><description>tAluminum substituted zinc ferrite catalysts were prepared by the sol-gel auto-combustion method andcharacterized by using Mössbauer spectroscopy and nitrogen adsorption-desorption isotherm measure-ments. The photocatalytic activity of ZnFe2−xAlxO4(0 ≤ x ≤ 2) spinel ferrites was evaluated for the firsttime on Orange I azo dye degradation under UV light illumination. The results showed that the photo-catalytic process was promoted when aluminum cations substituted iron cations located in octahedralsites of zinc ferrite lattice. Therefore, the Orange I azo dye best removal efficiency was observed when theAl3+and Fe3+are presents in equimolar amounts. The dye degradation performance of the ZnFe2−xAlxO4(0 ≤ x ≤ 2) catalysts was related to the crystallite size than to the BET surface area values and to thepresence of secondary phases, such as -Fe2O3and ZnO.</description><subject>Catalysis</subject><subject>Chemical Sciences</subject><issn>1010-6030</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqVjN1qwkAQhfeiQv3pO8xtEdPZZLF6KUWxUPBG8DJMk1mzIWZldyzEpzdSX0A48MH5Dkcp0Jho1POPOqnPlRdfVHxKUtQmQd0HX9Sw9zibY4avahRjjYjGGD1Uh7W1XAh4C6smm8bLbxQnF-ESrq4twHIIThh8C__XJNR04goo-RioJHG98nYXqD0yfANdPZQdT9TAUhP57cGxet-s91_bWUVNfg7uRKHLPbl8u_rJ7x3i0nwuFumfzp7Z3gDf201T</recordid><startdate>2014</startdate><enddate>2014</enddate><creator>Borhan, Adrian Iulian</creator><creator>Samoila, Petre</creator><creator>Hulea, Vasile</creator><creator>Iordan, Alexandra Raluca</creator><creator>Palamaru, Mircea Nicolae</creator><general>Elsevier</general><scope>1XC</scope></search><sort><creationdate>2014</creationdate><title>Effect of Al3+substituted zinc ferrite on photocatalytic degradation ofOrange I azo dye</title><author>Borhan, Adrian Iulian ; Samoila, Petre ; Hulea, Vasile ; Iordan, Alexandra Raluca ; Palamaru, Mircea Nicolae</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-hal_primary_oai_HAL_hal_00947882v13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Catalysis</topic><topic>Chemical Sciences</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Borhan, Adrian Iulian</creatorcontrib><creatorcontrib>Samoila, Petre</creatorcontrib><creatorcontrib>Hulea, Vasile</creatorcontrib><creatorcontrib>Iordan, Alexandra Raluca</creatorcontrib><creatorcontrib>Palamaru, Mircea Nicolae</creatorcontrib><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Journal of photochemistry and photobiology. A, Chemistry.</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Borhan, Adrian Iulian</au><au>Samoila, Petre</au><au>Hulea, Vasile</au><au>Iordan, Alexandra Raluca</au><au>Palamaru, Mircea Nicolae</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of Al3+substituted zinc ferrite on photocatalytic degradation ofOrange I azo dye</atitle><jtitle>Journal of photochemistry and photobiology. A, Chemistry.</jtitle><date>2014</date><risdate>2014</risdate><volume>279</volume><spage>17</spage><epage>23</epage><pages>17-23</pages><issn>1010-6030</issn><abstract>tAluminum substituted zinc ferrite catalysts were prepared by the sol-gel auto-combustion method andcharacterized by using Mössbauer spectroscopy and nitrogen adsorption-desorption isotherm measure-ments. The photocatalytic activity of ZnFe2−xAlxO4(0 ≤ x ≤ 2) spinel ferrites was evaluated for the firsttime on Orange I azo dye degradation under UV light illumination. The results showed that the photo-catalytic process was promoted when aluminum cations substituted iron cations located in octahedralsites of zinc ferrite lattice. Therefore, the Orange I azo dye best removal efficiency was observed when theAl3+and Fe3+are presents in equimolar amounts. The dye degradation performance of the ZnFe2−xAlxO4(0 ≤ x ≤ 2) catalysts was related to the crystallite size than to the BET surface area values and to thepresence of secondary phases, such as -Fe2O3and ZnO.</abstract><pub>Elsevier</pub><doi>10.1016/j.jphotochem.2014.01.010</doi></addata></record> |
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| title | Effect of Al3+substituted zinc ferrite on photocatalytic degradation ofOrange I azo dye |
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