Rapid synthesis of Ag nanoparticles-embedded mesoporous silica via solution plasma and its catalysis for 4-nitrophenol reduction
The rapid synthesis of Ag nanoparticles-embedded mesoporous silica (AgNP@SiO2) was completed within a one-pot process in which a discharge occurred in solution of the substances utilized for synthesizing mesoporous silica (tetraethyl orthosilicate (TEOS), P123 block copolymer) and various Ag precurs...
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| Veröffentlicht in: | Materials letters 2012-08, Vol.80, p.1-4 |
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| creator | Pootawang, Panuphong Lee, Sang Yul |
| description | The rapid synthesis of Ag nanoparticles-embedded mesoporous silica (AgNP@SiO2) was completed within a one-pot process in which a discharge occurred in solution of the substances utilized for synthesizing mesoporous silica (tetraethyl orthosilicate (TEOS), P123 block copolymer) and various Ag precursor concentrations (AgNO3: 1, 5, and 10mM). The solidification of the polysilicate network via hydrolysis and condensation during sol–gel reaction could be rapidly achieved after discharge at 3min. The morphology of rope-like particles with hexagonal mesopore arrangements was observed using electron microscopy. The catalytic activity of AgNP@SiO2 particles with high surface areas for 4-nitrophenol reduction was investigated under sodium borohydride (NaBH4) solution with reaction time dependence. The results showed that reduction of concentrated 4-nitrophenol (0.25mM) was completed at 12min using AgNP@SiO2 from 10mM Ag precursor.
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► Rapid synthesis of mesoporous silica is completed by SPP. ► Ag nanoparticles–embedded mesoporous silica is rapidly synthesized by SPP. ► The well–ordered 2D hexagonal mesopores and Ag nanoparticles are observed. ► Rope–like particles with high surface areas are observed. ► The catalytic activity of 4–nitrophenol reduction can be enhanced using samples. |
| doi_str_mv | 10.1016/j.matlet.2012.04.077 |
| format | Article |
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[Display omitted]
► Rapid synthesis of mesoporous silica is completed by SPP. ► Ag nanoparticles–embedded mesoporous silica is rapidly synthesized by SPP. ► The well–ordered 2D hexagonal mesopores and Ag nanoparticles are observed. ► Rope–like particles with high surface areas are observed. ► The catalytic activity of 4–nitrophenol reduction can be enhanced using samples.</description><identifier>ISSN: 0167-577X</identifier><identifier>EISSN: 1873-4979</identifier><identifier>DOI: 10.1016/j.matlet.2012.04.077</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>4-Nitrophenol reduction ; catalytic activity ; condensation ; Discharge ; electron microscopy ; hydrolysis ; Mesoporous silica ; Nanocomposites ; Nanomaterials ; Nanostructure ; p-nitrophenol ; Porous materials ; Precursors ; Reduction ; silica ; Silicon dioxide ; Silver ; silver nitrate ; sodium ; solidification ; Solution plasma ; Synthesis</subject><ispartof>Materials letters, 2012-08, Vol.80, p.1-4</ispartof><rights>2012 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c429t-cd4e4dc2c2cc786bacc6d9a652158c716ca9f241db8e1095054db5c78c893bfd3</citedby><cites>FETCH-LOGICAL-c429t-cd4e4dc2c2cc786bacc6d9a652158c716ca9f241db8e1095054db5c78c893bfd3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.matlet.2012.04.077$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Pootawang, Panuphong</creatorcontrib><creatorcontrib>Lee, Sang Yul</creatorcontrib><title>Rapid synthesis of Ag nanoparticles-embedded mesoporous silica via solution plasma and its catalysis for 4-nitrophenol reduction</title><title>Materials letters</title><description>The rapid synthesis of Ag nanoparticles-embedded mesoporous silica (AgNP@SiO2) was completed within a one-pot process in which a discharge occurred in solution of the substances utilized for synthesizing mesoporous silica (tetraethyl orthosilicate (TEOS), P123 block copolymer) and various Ag precursor concentrations (AgNO3: 1, 5, and 10mM). The solidification of the polysilicate network via hydrolysis and condensation during sol–gel reaction could be rapidly achieved after discharge at 3min. The morphology of rope-like particles with hexagonal mesopore arrangements was observed using electron microscopy. The catalytic activity of AgNP@SiO2 particles with high surface areas for 4-nitrophenol reduction was investigated under sodium borohydride (NaBH4) solution with reaction time dependence. The results showed that reduction of concentrated 4-nitrophenol (0.25mM) was completed at 12min using AgNP@SiO2 from 10mM Ag precursor.
[Display omitted]
► Rapid synthesis of mesoporous silica is completed by SPP. ► Ag nanoparticles–embedded mesoporous silica is rapidly synthesized by SPP. ► The well–ordered 2D hexagonal mesopores and Ag nanoparticles are observed. ► Rope–like particles with high surface areas are observed. ► The catalytic activity of 4–nitrophenol reduction can be enhanced using samples.</description><subject>4-Nitrophenol reduction</subject><subject>catalytic activity</subject><subject>condensation</subject><subject>Discharge</subject><subject>electron microscopy</subject><subject>hydrolysis</subject><subject>Mesoporous silica</subject><subject>Nanocomposites</subject><subject>Nanomaterials</subject><subject>Nanostructure</subject><subject>p-nitrophenol</subject><subject>Porous materials</subject><subject>Precursors</subject><subject>Reduction</subject><subject>silica</subject><subject>Silicon dioxide</subject><subject>Silver</subject><subject>silver nitrate</subject><subject>sodium</subject><subject>solidification</subject><subject>Solution plasma</subject><subject>Synthesis</subject><issn>0167-577X</issn><issn>1873-4979</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNp9kEGL1TAQx4so-Fz9BoI5emlN2rRpL8KyuCosCOqCtzBNprt5pEnN5C28mx_dPOpZ5jCX3_8_zK-q3greCC6GD8dmhewxNy0XbcNlw5V6Vh3EqLpaTmp6Xh0KpupeqV8vq1dER865nLg8VH--w-Yso3PIj0iOWFzY9QMLEOIGKTvjkWpcZ7QWLVuR4hZTPBEj550B9uSAUfSn7GJgmwdagUGwzGViBjL486V0iYnJOric4vaIIXqW0J7MJfS6erGAJ3zzb19V97efft58qe--ff56c31XG9lOuTZWorSmLWPUOMxgzGAnGPpW9KNRYjAwLa0Udh5R8KnnvbRzX1AzTt282O6qer_3bin-PiFlvToy6D0ELP9owTvRtVKqsaByR02KRAkXvSW3QjoXSF-E66PeheuLcM2lLsJL7N0eWyBqeEiO9P2PAvRFdtd2Y1eIjzuB5dEnh0mTcRgMWpfQZG2j-_-Jv6MxmIM</recordid><startdate>20120801</startdate><enddate>20120801</enddate><creator>Pootawang, Panuphong</creator><creator>Lee, Sang Yul</creator><general>Elsevier B.V</general><scope>FBQ</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20120801</creationdate><title>Rapid synthesis of Ag nanoparticles-embedded mesoporous silica via solution plasma and its catalysis for 4-nitrophenol reduction</title><author>Pootawang, Panuphong ; Lee, Sang Yul</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c429t-cd4e4dc2c2cc786bacc6d9a652158c716ca9f241db8e1095054db5c78c893bfd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>4-Nitrophenol reduction</topic><topic>catalytic activity</topic><topic>condensation</topic><topic>Discharge</topic><topic>electron microscopy</topic><topic>hydrolysis</topic><topic>Mesoporous silica</topic><topic>Nanocomposites</topic><topic>Nanomaterials</topic><topic>Nanostructure</topic><topic>p-nitrophenol</topic><topic>Porous materials</topic><topic>Precursors</topic><topic>Reduction</topic><topic>silica</topic><topic>Silicon dioxide</topic><topic>Silver</topic><topic>silver nitrate</topic><topic>sodium</topic><topic>solidification</topic><topic>Solution plasma</topic><topic>Synthesis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pootawang, Panuphong</creatorcontrib><creatorcontrib>Lee, Sang Yul</creatorcontrib><collection>AGRIS</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pootawang, Panuphong</au><au>Lee, Sang Yul</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Rapid synthesis of Ag nanoparticles-embedded mesoporous silica via solution plasma and its catalysis for 4-nitrophenol reduction</atitle><jtitle>Materials letters</jtitle><date>2012-08-01</date><risdate>2012</risdate><volume>80</volume><spage>1</spage><epage>4</epage><pages>1-4</pages><issn>0167-577X</issn><eissn>1873-4979</eissn><abstract>The rapid synthesis of Ag nanoparticles-embedded mesoporous silica (AgNP@SiO2) was completed within a one-pot process in which a discharge occurred in solution of the substances utilized for synthesizing mesoporous silica (tetraethyl orthosilicate (TEOS), P123 block copolymer) and various Ag precursor concentrations (AgNO3: 1, 5, and 10mM). The solidification of the polysilicate network via hydrolysis and condensation during sol–gel reaction could be rapidly achieved after discharge at 3min. The morphology of rope-like particles with hexagonal mesopore arrangements was observed using electron microscopy. The catalytic activity of AgNP@SiO2 particles with high surface areas for 4-nitrophenol reduction was investigated under sodium borohydride (NaBH4) solution with reaction time dependence. The results showed that reduction of concentrated 4-nitrophenol (0.25mM) was completed at 12min using AgNP@SiO2 from 10mM Ag precursor.
[Display omitted]
► Rapid synthesis of mesoporous silica is completed by SPP. ► Ag nanoparticles–embedded mesoporous silica is rapidly synthesized by SPP. ► The well–ordered 2D hexagonal mesopores and Ag nanoparticles are observed. ► Rope–like particles with high surface areas are observed. ► The catalytic activity of 4–nitrophenol reduction can be enhanced using samples.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.matlet.2012.04.077</doi><tpages>4</tpages></addata></record> |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | 4-Nitrophenol reduction catalytic activity condensation Discharge electron microscopy hydrolysis Mesoporous silica Nanocomposites Nanomaterials Nanostructure p-nitrophenol Porous materials Precursors Reduction silica Silicon dioxide Silver silver nitrate sodium solidification Solution plasma Synthesis |
| title | Rapid synthesis of Ag nanoparticles-embedded mesoporous silica via solution plasma and its catalysis for 4-nitrophenol reduction |
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