Inducing the Catalytic Activity in SrFe12O19 Via Chemical Modification
In this study, we demonstrate that the catalytic activity could be induced in the hard magnetic strontium hexaferrite (SrFe 12 O 19 ) system by replacing a small fraction of Fe by Cu. Nanocrystalline SrFe 12 O 19 and SrCu 0.3 Fe 11.7 O 19 samples were synthesized by a tartrate-gel method and their s...
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| Veröffentlicht in: | Catalysis letters 2021, Vol.151 (1), p.221-231 |
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| creator | Anantharamaiah, P. N. Mondal, Sanjukta Saha, Sujoy |
| description | In this study, we demonstrate that the catalytic activity could be induced in the hard magnetic strontium hexaferrite (SrFe
12
O
19
) system by replacing a small fraction of Fe by Cu. Nanocrystalline SrFe
12
O
19
and SrCu
0.3
Fe
11.7
O
19
samples were synthesized by a tartrate-gel method and their structural, microstructural, specific surface area and magnetic properties were studies. Subsequently, the nanocrystalline hexaferrite powders were employed as catalysts to drive 4-nitrophenol reduction reaction using the NaBH
4
as the reducing agent. The progress of the catalytic reactions was evaluated using UV–visible spectrophotometer. The unsubstituted sample was found to be catalytically inactive whereas SrCu
0.3
Fe
11.7
O
19
sample showed superior catalytic performance in transforming 4-nitrophenol to 4-aminophenol within 8 min. Reusability test confirmed that the SrCu
0.3
Fe
11.7
O
19
catalyst retains its 100% activity even after five consecutive cycles. In addition, the effect of crystallite size of SrCu
0.3
Fe
11.7
O
19
on the catalytic reduction reaction of 4-nitrophenol was investigated. The results indicated that the time taken to complete the reduction reaction has been increased as size of the crystallites increased, probably due to decrease in the large number of surface active sites of the catalyst.
Graphic Abstract |
| doi_str_mv | 10.1007/s10562-020-03292-y |
| format | Article |
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12
O
19
) system by replacing a small fraction of Fe by Cu. Nanocrystalline SrFe
12
O
19
and SrCu
0.3
Fe
11.7
O
19
samples were synthesized by a tartrate-gel method and their structural, microstructural, specific surface area and magnetic properties were studies. Subsequently, the nanocrystalline hexaferrite powders were employed as catalysts to drive 4-nitrophenol reduction reaction using the NaBH
4
as the reducing agent. The progress of the catalytic reactions was evaluated using UV–visible spectrophotometer. The unsubstituted sample was found to be catalytically inactive whereas SrCu
0.3
Fe
11.7
O
19
sample showed superior catalytic performance in transforming 4-nitrophenol to 4-aminophenol within 8 min. Reusability test confirmed that the SrCu
0.3
Fe
11.7
O
19
catalyst retains its 100% activity even after five consecutive cycles. In addition, the effect of crystallite size of SrCu
0.3
Fe
11.7
O
19
on the catalytic reduction reaction of 4-nitrophenol was investigated. The results indicated that the time taken to complete the reduction reaction has been increased as size of the crystallites increased, probably due to decrease in the large number of surface active sites of the catalyst.
Graphic Abstract</description><identifier>ISSN: 1011-372X</identifier><identifier>EISSN: 1572-879X</identifier><identifier>DOI: 10.1007/s10562-020-03292-y</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Aminophenol ; Catalysis ; Catalysts ; Catalytic activity ; Chemical activity ; Chemical reduction ; Chemistry ; Chemistry and Materials Science ; Crystallites ; Industrial Chemistry/Chemical Engineering ; Magnetic properties ; Nanocrystals ; Nitrophenol ; Organometallic Chemistry ; Physical Chemistry ; Reducing agents</subject><ispartof>Catalysis letters, 2021, Vol.151 (1), p.221-231</ispartof><rights>Springer Science+Business Media, LLC, part of Springer Nature 2020</rights><rights>Springer Science+Business Media, LLC, part of Springer Nature 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c271y-beec4accb881ad0e2fc456ae144aa92eb0d58aa02f32af9e221255889f62d7ac3</citedby><cites>FETCH-LOGICAL-c271y-beec4accb881ad0e2fc456ae144aa92eb0d58aa02f32af9e221255889f62d7ac3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10562-020-03292-y$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10562-020-03292-y$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Anantharamaiah, P. N.</creatorcontrib><creatorcontrib>Mondal, Sanjukta</creatorcontrib><creatorcontrib>Saha, Sujoy</creatorcontrib><title>Inducing the Catalytic Activity in SrFe12O19 Via Chemical Modification</title><title>Catalysis letters</title><addtitle>Catal Lett</addtitle><description>In this study, we demonstrate that the catalytic activity could be induced in the hard magnetic strontium hexaferrite (SrFe
12
O
19
) system by replacing a small fraction of Fe by Cu. Nanocrystalline SrFe
12
O
19
and SrCu
0.3
Fe
11.7
O
19
samples were synthesized by a tartrate-gel method and their structural, microstructural, specific surface area and magnetic properties were studies. Subsequently, the nanocrystalline hexaferrite powders were employed as catalysts to drive 4-nitrophenol reduction reaction using the NaBH
4
as the reducing agent. The progress of the catalytic reactions was evaluated using UV–visible spectrophotometer. The unsubstituted sample was found to be catalytically inactive whereas SrCu
0.3
Fe
11.7
O
19
sample showed superior catalytic performance in transforming 4-nitrophenol to 4-aminophenol within 8 min. Reusability test confirmed that the SrCu
0.3
Fe
11.7
O
19
catalyst retains its 100% activity even after five consecutive cycles. In addition, the effect of crystallite size of SrCu
0.3
Fe
11.7
O
19
on the catalytic reduction reaction of 4-nitrophenol was investigated. The results indicated that the time taken to complete the reduction reaction has been increased as size of the crystallites increased, probably due to decrease in the large number of surface active sites of the catalyst.
Graphic Abstract</description><subject>Aminophenol</subject><subject>Catalysis</subject><subject>Catalysts</subject><subject>Catalytic activity</subject><subject>Chemical activity</subject><subject>Chemical reduction</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Crystallites</subject><subject>Industrial Chemistry/Chemical Engineering</subject><subject>Magnetic properties</subject><subject>Nanocrystals</subject><subject>Nitrophenol</subject><subject>Organometallic Chemistry</subject><subject>Physical Chemistry</subject><subject>Reducing agents</subject><issn>1011-372X</issn><issn>1572-879X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9kEtLAzEUhYMoWKt_wFXAdfTmziOTZRmsLVS68EF3Ic1k2pR2piZTYf690RHcubpncb5z4SPklsM9BxAPgUOWIwMEBglKZP0ZGfFMICuEXJ3HDJyzRODqklyFsAMAKbgckem8qU7GNRvabS0tdaf3fecMnZjOfbqup66hL35qOS65pO9O03JrD87oPX1uK1fH1Lm2uSYXtd4He_N7x-Rt-vhazthi-TQvJwtmUPCera01qTZmXRRcV2CxNmmWa8vTVGuJdg1VVmgNWCeoa2kROWZZUcg6x0pok4zJ3bB79O3HyYZO7dqTb-JLhakochE9iNjCoWV8G4K3tTp6d9C-VxzUty81-FLRl_rxpfoIJQMUYrnZWP83_Q_1BdJ4bcU</recordid><startdate>2021</startdate><enddate>2021</enddate><creator>Anantharamaiah, P. N.</creator><creator>Mondal, Sanjukta</creator><creator>Saha, Sujoy</creator><general>Springer US</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</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>KB.</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope></search><sort><creationdate>2021</creationdate><title>Inducing the Catalytic Activity in SrFe12O19 Via Chemical Modification</title><author>Anantharamaiah, P. N. ; Mondal, Sanjukta ; Saha, Sujoy</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c271y-beec4accb881ad0e2fc456ae144aa92eb0d58aa02f32af9e221255889f62d7ac3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Aminophenol</topic><topic>Catalysis</topic><topic>Catalysts</topic><topic>Catalytic activity</topic><topic>Chemical activity</topic><topic>Chemical reduction</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Crystallites</topic><topic>Industrial Chemistry/Chemical Engineering</topic><topic>Magnetic properties</topic><topic>Nanocrystals</topic><topic>Nitrophenol</topic><topic>Organometallic Chemistry</topic><topic>Physical Chemistry</topic><topic>Reducing agents</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Anantharamaiah, P. N.</creatorcontrib><creatorcontrib>Mondal, Sanjukta</creatorcontrib><creatorcontrib>Saha, Sujoy</creatorcontrib><collection>CrossRef</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 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><collection>ProQuest Central China</collection><jtitle>Catalysis letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Anantharamaiah, P. N.</au><au>Mondal, Sanjukta</au><au>Saha, Sujoy</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Inducing the Catalytic Activity in SrFe12O19 Via Chemical Modification</atitle><jtitle>Catalysis letters</jtitle><stitle>Catal Lett</stitle><date>2021</date><risdate>2021</risdate><volume>151</volume><issue>1</issue><spage>221</spage><epage>231</epage><pages>221-231</pages><issn>1011-372X</issn><eissn>1572-879X</eissn><abstract>In this study, we demonstrate that the catalytic activity could be induced in the hard magnetic strontium hexaferrite (SrFe
12
O
19
) system by replacing a small fraction of Fe by Cu. Nanocrystalline SrFe
12
O
19
and SrCu
0.3
Fe
11.7
O
19
samples were synthesized by a tartrate-gel method and their structural, microstructural, specific surface area and magnetic properties were studies. Subsequently, the nanocrystalline hexaferrite powders were employed as catalysts to drive 4-nitrophenol reduction reaction using the NaBH
4
as the reducing agent. The progress of the catalytic reactions was evaluated using UV–visible spectrophotometer. The unsubstituted sample was found to be catalytically inactive whereas SrCu
0.3
Fe
11.7
O
19
sample showed superior catalytic performance in transforming 4-nitrophenol to 4-aminophenol within 8 min. Reusability test confirmed that the SrCu
0.3
Fe
11.7
O
19
catalyst retains its 100% activity even after five consecutive cycles. In addition, the effect of crystallite size of SrCu
0.3
Fe
11.7
O
19
on the catalytic reduction reaction of 4-nitrophenol was investigated. The results indicated that the time taken to complete the reduction reaction has been increased as size of the crystallites increased, probably due to decrease in the large number of surface active sites of the catalyst.
Graphic Abstract</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s10562-020-03292-y</doi><tpages>11</tpages></addata></record> |
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| subjects | Aminophenol Catalysis Catalysts Catalytic activity Chemical activity Chemical reduction Chemistry Chemistry and Materials Science Crystallites Industrial Chemistry/Chemical Engineering Magnetic properties Nanocrystals Nitrophenol Organometallic Chemistry Physical Chemistry Reducing agents |
| title | Inducing the Catalytic Activity in SrFe12O19 Via Chemical Modification |
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