Catalytic reduction of 4-nitrophenol with gold nanoparticles stabilized by large-ring cyclodextrins
The synthesis of gold nanoparticles stabilized in an aqueous phase by cyclodextrins (CD) was performed. The solvent-dispersed nanoparticles were characterized by transmission electron microscopy, UV-vis spectroscopy and dynamic light scattering analysis. Nanoparticles stabilized with large-ring CD c...
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| Veröffentlicht in: | New journal of chemistry 2020-12, Vol.44 (48), p.217-2111 |
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| container_title | New journal of chemistry |
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| creator | Noël, Sébastien Bricout, Hervé Addad, Ahmed Sonnendecker, Christian Zimmermann, Wolfgang Monflier, Eric Léger, Bastien |
| description | The synthesis of gold nanoparticles stabilized in an aqueous phase by cyclodextrins (CD) was performed. The solvent-dispersed nanoparticles were characterized by transmission electron microscopy, UV-vis spectroscopy and dynamic light scattering analysis. Nanoparticles stabilized with large-ring CD composed of 9 or more glucose units showed a broader distribution of sizes and a larger hydrodynamic diameter compared to those stabilized with α-CD, β-CD and γ-CD. Gold nanoparticles stabilized by large-ring CD efficiently reduced 4-nitrophenol to 4-aminophenol with higher reaction rates compared to those stabilized by α-CD. NMR analysis proved that no complex formation between 4-nitrophenol and the large-ring CD occurred. The catalytic activities obtained with gold nanoparticles stabilized by large-ring CD were comparable to those observed with β-CD and γ-CD confirming their suitability for an efficient stabilization of catalytically active nanoparticles.
Au NP, stabilized by large-ring cyclodextrins, proved to be efficient for the catalytic reduction of 4-nitrophenol. |
| doi_str_mv | 10.1039/d0nj03687k |
| format | Article |
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Au NP, stabilized by large-ring cyclodextrins, proved to be efficient for the catalytic reduction of 4-nitrophenol.</description><subject>Aminophenol</subject><subject>Catalysis</subject><subject>Chemical reduction</subject><subject>Chemical Sciences</subject><subject>Complex formation</subject><subject>Cyclodextrins</subject><subject>Gold</subject><subject>Nanoparticles</subject><subject>Nitrophenol</subject><subject>NMR</subject><subject>Nuclear magnetic resonance</subject><subject>Organic chemistry</subject><subject>Photon correlation spectroscopy</subject><issn>1144-0546</issn><issn>1369-9261</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNpF0c1PwyAUAPDGaOKcXrybkHjSpArlo_S4zI-pi170TBjQjYmlAlPrX2_nzDzxPn55eXlk2TGCFwji6lLDZgkx4-XrTjZAmFV5VTC028eIkBxSwvazgxiXECJUMjTI1Fgm6bpkFQhGr1SyvgG-BiRvbAq-XZjGO_Bp0wLMvdOgkY1vZei9MxHEJGfW2W-jwawDToa5yYNt5kB1ynltvlKfxcNsr5YumqO_d5i93Fw_jyf59On2bjya5gpTlHIJa6UNp1rVVFcFRKUsMIGkxkRyihjmnCmNleS81DXDM6hVCRWVvOjbCOFhdraZu5BOtMG-ydAJL62YjKZiXYMYVpgX9GNtTze2Df59ZWISS78KTb-eKEiJCC4oK3p1vlEq-BiDqbdjERTrg4sr-Hj_e_CHHp9scIhq6_4_BP8Alnt9RA</recordid><startdate>20201221</startdate><enddate>20201221</enddate><creator>Noël, Sébastien</creator><creator>Bricout, Hervé</creator><creator>Addad, Ahmed</creator><creator>Sonnendecker, Christian</creator><creator>Zimmermann, Wolfgang</creator><creator>Monflier, Eric</creator><creator>Léger, Bastien</creator><general>Royal Society of Chemistry</general><general>Royal Society of Chemistry [1987-....]</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>H9R</scope><scope>JG9</scope><scope>KA0</scope><scope>1XC</scope><scope>VOOES</scope><orcidid>https://orcid.org/0000-0001-5865-0979</orcidid><orcidid>https://orcid.org/0000-0002-4895-1636</orcidid><orcidid>https://orcid.org/0000-0002-5730-6663</orcidid><orcidid>https://orcid.org/0000-0003-2411-1162</orcidid><orcidid>https://orcid.org/0000-0001-6074-8377</orcidid></search><sort><creationdate>20201221</creationdate><title>Catalytic reduction of 4-nitrophenol with gold nanoparticles stabilized by large-ring cyclodextrins</title><author>Noël, Sébastien ; Bricout, Hervé ; Addad, Ahmed ; Sonnendecker, Christian ; Zimmermann, Wolfgang ; Monflier, Eric ; Léger, Bastien</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c351t-a0fcde85dcf5d92017a23404f34a85163886cd3ca887df63b0dc70c5a82851113</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Aminophenol</topic><topic>Catalysis</topic><topic>Chemical reduction</topic><topic>Chemical Sciences</topic><topic>Complex formation</topic><topic>Cyclodextrins</topic><topic>Gold</topic><topic>Nanoparticles</topic><topic>Nitrophenol</topic><topic>NMR</topic><topic>Nuclear magnetic resonance</topic><topic>Organic chemistry</topic><topic>Photon correlation spectroscopy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Noël, Sébastien</creatorcontrib><creatorcontrib>Bricout, Hervé</creatorcontrib><creatorcontrib>Addad, Ahmed</creatorcontrib><creatorcontrib>Sonnendecker, Christian</creatorcontrib><creatorcontrib>Zimmermann, Wolfgang</creatorcontrib><creatorcontrib>Monflier, Eric</creatorcontrib><creatorcontrib>Léger, Bastien</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Illustrata: Natural Sciences</collection><collection>Materials Research Database</collection><collection>ProQuest Illustrata: Technology Collection</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>Hyper Article en Ligne (HAL) (Open Access)</collection><jtitle>New journal of chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Noël, Sébastien</au><au>Bricout, Hervé</au><au>Addad, Ahmed</au><au>Sonnendecker, Christian</au><au>Zimmermann, Wolfgang</au><au>Monflier, Eric</au><au>Léger, Bastien</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Catalytic reduction of 4-nitrophenol with gold nanoparticles stabilized by large-ring cyclodextrins</atitle><jtitle>New journal of chemistry</jtitle><date>2020-12-21</date><risdate>2020</risdate><volume>44</volume><issue>48</issue><spage>217</spage><epage>2111</epage><pages>217-2111</pages><issn>1144-0546</issn><eissn>1369-9261</eissn><abstract>The synthesis of gold nanoparticles stabilized in an aqueous phase by cyclodextrins (CD) was performed. The solvent-dispersed nanoparticles were characterized by transmission electron microscopy, UV-vis spectroscopy and dynamic light scattering analysis. Nanoparticles stabilized with large-ring CD composed of 9 or more glucose units showed a broader distribution of sizes and a larger hydrodynamic diameter compared to those stabilized with α-CD, β-CD and γ-CD. Gold nanoparticles stabilized by large-ring CD efficiently reduced 4-nitrophenol to 4-aminophenol with higher reaction rates compared to those stabilized by α-CD. NMR analysis proved that no complex formation between 4-nitrophenol and the large-ring CD occurred. The catalytic activities obtained with gold nanoparticles stabilized by large-ring CD were comparable to those observed with β-CD and γ-CD confirming their suitability for an efficient stabilization of catalytically active nanoparticles.
Au NP, stabilized by large-ring cyclodextrins, proved to be efficient for the catalytic reduction of 4-nitrophenol.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/d0nj03687k</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0001-5865-0979</orcidid><orcidid>https://orcid.org/0000-0002-4895-1636</orcidid><orcidid>https://orcid.org/0000-0002-5730-6663</orcidid><orcidid>https://orcid.org/0000-0003-2411-1162</orcidid><orcidid>https://orcid.org/0000-0001-6074-8377</orcidid><oa>free_for_read</oa></addata></record> |
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| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Aminophenol Catalysis Chemical reduction Chemical Sciences Complex formation Cyclodextrins Gold Nanoparticles Nitrophenol NMR Nuclear magnetic resonance Organic chemistry Photon correlation spectroscopy |
| title | Catalytic reduction of 4-nitrophenol with gold nanoparticles stabilized by large-ring cyclodextrins |
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