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In-situ synthesis of visible-light responsive Ag2O/graphene oxide nanocomposites and effect of graphene oxide content on its photocatalytic activity
Ag 2 O/graphene oxide nanocomposites, as efficient photocatalysts, were prepared by an in situ method using AgNO 3 and graphene oxide as reactants under controlled atmosphere. Graphene oxide is synthesised via an eco-friendly method, and the Ag 2 O nanoparticles displaying elongated spherical morpho...
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| Published in: | Advanced composites and hybrid materials 2018-06, Vol.1 (2), p.374-388 |
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| Main Authors: | , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c218t-d3f7c22a616aeb4333db408439eba5f07de70602d133f4a6ed244ad4ba42b3b63 |
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| cites | cdi_FETCH-LOGICAL-c218t-d3f7c22a616aeb4333db408439eba5f07de70602d133f4a6ed244ad4ba42b3b63 |
| container_end_page | 388 |
| container_issue | 2 |
| container_start_page | 374 |
| container_title | Advanced composites and hybrid materials |
| container_volume | 1 |
| creator | Ahmad, Jahangir Majid, Kowsar |
| description | Ag
2
O/graphene oxide nanocomposites, as efficient photocatalysts, were prepared by an in situ method using AgNO
3
and graphene oxide as reactants under controlled atmosphere. Graphene oxide is synthesised via an eco-friendly method, and the Ag
2
O nanoparticles displaying elongated spherical morphology are randomly distributed on the surface of GO. The as-synthesised nanocomposites were characterised by different characterisation techniques. The results proved that the concentration of graphene oxide in starting solution displayed an important role in photocatalytic performance of Ag
2
O/graphene oxide nanocomposites. The nanocomposite materials were found to exhibit very improved photocatalytic activity for degrading methylene blue (MB) and Rhodamine B (Rh-B) under visible light irradiation. The photocatalytic activities of the composite were higher than that of P25 (a commercial TiO
2
as a benchmark photocatalyst). The significantly improved photocatalytic activity of the nanocomposites could be attributed to the high charge separation and suppressed recombination of photogenerated electron-hole pairs due to GO. The effects of reaction parameters such as pH and the effect of different scavengers on the photocatalytic activity of the composite were studied.
Graphical abstract
This reflects high charge separation of photogenerated charge carriers through graphene oxide and thus increased photocatalytic activity by Ag
2
O/GO composites. |
| doi_str_mv | 10.1007/s42114-018-0025-6 |
| format | article |
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2
O/graphene oxide nanocomposites, as efficient photocatalysts, were prepared by an in situ method using AgNO
3
and graphene oxide as reactants under controlled atmosphere. Graphene oxide is synthesised via an eco-friendly method, and the Ag
2
O nanoparticles displaying elongated spherical morphology are randomly distributed on the surface of GO. The as-synthesised nanocomposites were characterised by different characterisation techniques. The results proved that the concentration of graphene oxide in starting solution displayed an important role in photocatalytic performance of Ag
2
O/graphene oxide nanocomposites. The nanocomposite materials were found to exhibit very improved photocatalytic activity for degrading methylene blue (MB) and Rhodamine B (Rh-B) under visible light irradiation. The photocatalytic activities of the composite were higher than that of P25 (a commercial TiO
2
as a benchmark photocatalyst). The significantly improved photocatalytic activity of the nanocomposites could be attributed to the high charge separation and suppressed recombination of photogenerated electron-hole pairs due to GO. The effects of reaction parameters such as pH and the effect of different scavengers on the photocatalytic activity of the composite were studied.
Graphical abstract
This reflects high charge separation of photogenerated charge carriers through graphene oxide and thus increased photocatalytic activity by Ag
2
O/GO composites.</description><identifier>ISSN: 2522-0128</identifier><identifier>EISSN: 2522-0136</identifier><identifier>DOI: 10.1007/s42114-018-0025-6</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Ceramics ; Chemistry and Materials Science ; Composites ; Glass ; Materials Engineering ; Materials Science ; Natural Materials ; Original Research ; Polymer Sciences</subject><ispartof>Advanced composites and hybrid materials, 2018-06, Vol.1 (2), p.374-388</ispartof><rights>Springer International Publishing AG, part of Springer Nature 2018</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c218t-d3f7c22a616aeb4333db408439eba5f07de70602d133f4a6ed244ad4ba42b3b63</citedby><cites>FETCH-LOGICAL-c218t-d3f7c22a616aeb4333db408439eba5f07de70602d133f4a6ed244ad4ba42b3b63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27923,27924</link.rule.ids></links><search><creatorcontrib>Ahmad, Jahangir</creatorcontrib><creatorcontrib>Majid, Kowsar</creatorcontrib><title>In-situ synthesis of visible-light responsive Ag2O/graphene oxide nanocomposites and effect of graphene oxide content on its photocatalytic activity</title><title>Advanced composites and hybrid materials</title><addtitle>Adv Compos Hybrid Mater</addtitle><description>Ag
2
O/graphene oxide nanocomposites, as efficient photocatalysts, were prepared by an in situ method using AgNO
3
and graphene oxide as reactants under controlled atmosphere. Graphene oxide is synthesised via an eco-friendly method, and the Ag
2
O nanoparticles displaying elongated spherical morphology are randomly distributed on the surface of GO. The as-synthesised nanocomposites were characterised by different characterisation techniques. The results proved that the concentration of graphene oxide in starting solution displayed an important role in photocatalytic performance of Ag
2
O/graphene oxide nanocomposites. The nanocomposite materials were found to exhibit very improved photocatalytic activity for degrading methylene blue (MB) and Rhodamine B (Rh-B) under visible light irradiation. The photocatalytic activities of the composite were higher than that of P25 (a commercial TiO
2
as a benchmark photocatalyst). The significantly improved photocatalytic activity of the nanocomposites could be attributed to the high charge separation and suppressed recombination of photogenerated electron-hole pairs due to GO. The effects of reaction parameters such as pH and the effect of different scavengers on the photocatalytic activity of the composite were studied.
Graphical abstract
This reflects high charge separation of photogenerated charge carriers through graphene oxide and thus increased photocatalytic activity by Ag
2
O/GO composites.</description><subject>Ceramics</subject><subject>Chemistry and Materials Science</subject><subject>Composites</subject><subject>Glass</subject><subject>Materials Engineering</subject><subject>Materials Science</subject><subject>Natural Materials</subject><subject>Original Research</subject><subject>Polymer Sciences</subject><issn>2522-0128</issn><issn>2522-0136</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp9kMtqwzAQRU1poSHNB3SnH1Cjlx9dhtBHIJBNuxayNLJVHMlYSqj_ox9cm5QuuuhqxOjcy3Cy7J6SB0pIuY6CUSowoRUmhOW4uMoWLGds2vDi-vfNqttsFaOrycyTMmeL7GvncXTphOLoUwvRRRQsOruJ6gB3rmkTGiD2wUd3BrRp2GHdDKpvwQMKn84A8soHHY59mHogIuUNAmtBp7npD6uDT-CnH49ciqhvQwpaJdWNyWmkdHJnl8a77MaqLsLqZy6z9-ent-0r3h9edtvNHmtGq4QNt6VmTBW0UFALzrmpBakEf4Ra5ZaUBkpSEGYo51aoAgwTQhlRK8FqXhd8mdFLrx5CjANY2Q_uqIZRUiJns_JiVk5m5WxWzhl2ycSJ9Q0M8iOcBj-d-U_oG0_Yf8U</recordid><startdate>20180601</startdate><enddate>20180601</enddate><creator>Ahmad, Jahangir</creator><creator>Majid, Kowsar</creator><general>Springer International Publishing</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20180601</creationdate><title>In-situ synthesis of visible-light responsive Ag2O/graphene oxide nanocomposites and effect of graphene oxide content on its photocatalytic activity</title><author>Ahmad, Jahangir ; Majid, Kowsar</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c218t-d3f7c22a616aeb4333db408439eba5f07de70602d133f4a6ed244ad4ba42b3b63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Ceramics</topic><topic>Chemistry and Materials Science</topic><topic>Composites</topic><topic>Glass</topic><topic>Materials Engineering</topic><topic>Materials Science</topic><topic>Natural Materials</topic><topic>Original Research</topic><topic>Polymer Sciences</topic><toplevel>online_resources</toplevel><creatorcontrib>Ahmad, Jahangir</creatorcontrib><creatorcontrib>Majid, Kowsar</creatorcontrib><collection>CrossRef</collection><jtitle>Advanced composites and hybrid materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ahmad, Jahangir</au><au>Majid, Kowsar</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>In-situ synthesis of visible-light responsive Ag2O/graphene oxide nanocomposites and effect of graphene oxide content on its photocatalytic activity</atitle><jtitle>Advanced composites and hybrid materials</jtitle><stitle>Adv Compos Hybrid Mater</stitle><date>2018-06-01</date><risdate>2018</risdate><volume>1</volume><issue>2</issue><spage>374</spage><epage>388</epage><pages>374-388</pages><issn>2522-0128</issn><eissn>2522-0136</eissn><abstract>Ag
2
O/graphene oxide nanocomposites, as efficient photocatalysts, were prepared by an in situ method using AgNO
3
and graphene oxide as reactants under controlled atmosphere. Graphene oxide is synthesised via an eco-friendly method, and the Ag
2
O nanoparticles displaying elongated spherical morphology are randomly distributed on the surface of GO. The as-synthesised nanocomposites were characterised by different characterisation techniques. The results proved that the concentration of graphene oxide in starting solution displayed an important role in photocatalytic performance of Ag
2
O/graphene oxide nanocomposites. The nanocomposite materials were found to exhibit very improved photocatalytic activity for degrading methylene blue (MB) and Rhodamine B (Rh-B) under visible light irradiation. The photocatalytic activities of the composite were higher than that of P25 (a commercial TiO
2
as a benchmark photocatalyst). The significantly improved photocatalytic activity of the nanocomposites could be attributed to the high charge separation and suppressed recombination of photogenerated electron-hole pairs due to GO. The effects of reaction parameters such as pH and the effect of different scavengers on the photocatalytic activity of the composite were studied.
Graphical abstract
This reflects high charge separation of photogenerated charge carriers through graphene oxide and thus increased photocatalytic activity by Ag
2
O/GO composites.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s42114-018-0025-6</doi><tpages>15</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 2522-0128 |
| ispartof | Advanced composites and hybrid materials, 2018-06, Vol.1 (2), p.374-388 |
| issn | 2522-0128 2522-0136 |
| language | eng |
| recordid | cdi_crossref_primary_10_1007_s42114_018_0025_6 |
| source | Springer Nature |
| subjects | Ceramics Chemistry and Materials Science Composites Glass Materials Engineering Materials Science Natural Materials Original Research Polymer Sciences |
| title | In-situ synthesis of visible-light responsive Ag2O/graphene oxide nanocomposites and effect of graphene oxide content on its photocatalytic activity |
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