The Preparation of Ag Nanoparticles/Graphene Nanocomposites with Polydopamine as Coupling Agent for Enhanced Detection of H2O2
In this paper, a new Ag nanoparticles (AgNPs)/graphene nanocomposites with polydopamine (PDA) as coupling agent was electrochemically synthesized and has been used as electrode modifications for the electrochemical detection of H2O2. The structural characterizations clearly showed that small sized a...
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| Veröffentlicht in: | International journal of electrochemical science 2019-07, Vol.14 (7), p.6840-6854 |
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| container_end_page | 6854 |
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| container_title | International journal of electrochemical science |
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| creator | Ma, Zhi-Min Wang, Bing-Tao Cui, Ke-Ying Wan, Ye Li, Su-Juan |
| description | In this paper, a new Ag nanoparticles (AgNPs)/graphene nanocomposites with polydopamine (PDA) as coupling agent was electrochemically synthesized and has been used as electrode modifications for the electrochemical detection of H2O2. The structural characterizations clearly showed that small sized and highly dispersed AgNPs were electrodeposited on reduced graphene oxide (RGO) with the help of PDA agent. The obtained AgNPs/PDA/RGO nanocomposites exhibited higher electrocatalytic activities toward reduction of H2O2 compared with the AgNPs/RGO composites without involvement of PDA. The AgNPs/PDA/RGO nanocomposites presented excellent electrochemical sensing performance for detection of H2O2 with wide linear concentration range, high detection sensitivity, good selectivity and excellent reprodutibility and stability. The successful application of AgNPs/PDA/RGO nanocomposites in human serum samples for the detection of H2O2 was also demonstrated. |
| doi_str_mv | 10.20964/2019.07.30 |
| format | Article |
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The structural characterizations clearly showed that small sized and highly dispersed AgNPs were electrodeposited on reduced graphene oxide (RGO) with the help of PDA agent. The obtained AgNPs/PDA/RGO nanocomposites exhibited higher electrocatalytic activities toward reduction of H2O2 compared with the AgNPs/RGO composites without involvement of PDA. The AgNPs/PDA/RGO nanocomposites presented excellent electrochemical sensing performance for detection of H2O2 with wide linear concentration range, high detection sensitivity, good selectivity and excellent reprodutibility and stability. The successful application of AgNPs/PDA/RGO nanocomposites in human serum samples for the detection of H2O2 was also demonstrated.</description><identifier>ISSN: 1452-3981</identifier><identifier>EISSN: 1452-3981</identifier><identifier>DOI: 10.20964/2019.07.30</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Electrochemical sensor ; Graphene ; Hydrogen peroxide ; Polydopamine ; Silver nanoparticles</subject><ispartof>International journal of electrochemical science, 2019-07, Vol.14 (7), p.6840-6854</ispartof><rights>2019 The Authors. 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The structural characterizations clearly showed that small sized and highly dispersed AgNPs were electrodeposited on reduced graphene oxide (RGO) with the help of PDA agent. The obtained AgNPs/PDA/RGO nanocomposites exhibited higher electrocatalytic activities toward reduction of H2O2 compared with the AgNPs/RGO composites without involvement of PDA. The AgNPs/PDA/RGO nanocomposites presented excellent electrochemical sensing performance for detection of H2O2 with wide linear concentration range, high detection sensitivity, good selectivity and excellent reprodutibility and stability. The successful application of AgNPs/PDA/RGO nanocomposites in human serum samples for the detection of H2O2 was also demonstrated.</description><subject>Electrochemical sensor</subject><subject>Graphene</subject><subject>Hydrogen peroxide</subject><subject>Polydopamine</subject><subject>Silver nanoparticles</subject><issn>1452-3981</issn><issn>1452-3981</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNptUMFOAjEQbYwmEuTkD_RuFtptd8seCSKYEOGA5023nbI1y3bTrhoufrsFNPHgXGby8ubNm4fQPSXjlBQ5n6SEFmMixoxcoQHlWZqwYkqv_8y3aBTCG4nFC8aFGKCvXQ1466GTXvbWtdgZPNvjF9m6CPVWNRAmSy-7Glo4w8odOhdsDwF_2r7GW9ccdSQfbCTIgOfuvWtsu48y0PbYOI8XbS1bBRo_Qg_q98wq3aR36MbIJsDopw_R69NiN18l683yeT5bJ4rRvE-MVhyqnGQ6Nxk1OdOZ4DDNdKUF0QQkKaaiEFIwI4xm1Ehd5ZxTzqWphNJsiB4uusq7EDyYsvP2IP2xpKQ8p1ee0iuJKBmJ7OzChmjpw4Ivg7Jw-sD66L_Uzv679w07u3VE</recordid><startdate>20190701</startdate><enddate>20190701</enddate><creator>Ma, Zhi-Min</creator><creator>Wang, Bing-Tao</creator><creator>Cui, Ke-Ying</creator><creator>Wan, Ye</creator><creator>Li, Su-Juan</creator><general>Elsevier B.V</general><scope>6I.</scope><scope>AAFTH</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20190701</creationdate><title>The Preparation of Ag Nanoparticles/Graphene Nanocomposites with Polydopamine as Coupling Agent for Enhanced Detection of H2O2</title><author>Ma, Zhi-Min ; Wang, Bing-Tao ; Cui, Ke-Ying ; Wan, Ye ; Li, Su-Juan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c316t-fdc4eb605d6f51f63d574e85dbd70d0ea098797a73f7fd31fadb644144afb7cd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Electrochemical sensor</topic><topic>Graphene</topic><topic>Hydrogen peroxide</topic><topic>Polydopamine</topic><topic>Silver nanoparticles</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ma, Zhi-Min</creatorcontrib><creatorcontrib>Wang, Bing-Tao</creatorcontrib><creatorcontrib>Cui, Ke-Ying</creatorcontrib><creatorcontrib>Wan, Ye</creatorcontrib><creatorcontrib>Li, Su-Juan</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><collection>CrossRef</collection><jtitle>International journal of electrochemical science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ma, Zhi-Min</au><au>Wang, Bing-Tao</au><au>Cui, Ke-Ying</au><au>Wan, Ye</au><au>Li, Su-Juan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Preparation of Ag Nanoparticles/Graphene Nanocomposites with Polydopamine as Coupling Agent for Enhanced Detection of H2O2</atitle><jtitle>International journal of electrochemical science</jtitle><date>2019-07-01</date><risdate>2019</risdate><volume>14</volume><issue>7</issue><spage>6840</spage><epage>6854</epage><pages>6840-6854</pages><issn>1452-3981</issn><eissn>1452-3981</eissn><abstract>In this paper, a new Ag nanoparticles (AgNPs)/graphene nanocomposites with polydopamine (PDA) as coupling agent was electrochemically synthesized and has been used as electrode modifications for the electrochemical detection of H2O2. The structural characterizations clearly showed that small sized and highly dispersed AgNPs were electrodeposited on reduced graphene oxide (RGO) with the help of PDA agent. The obtained AgNPs/PDA/RGO nanocomposites exhibited higher electrocatalytic activities toward reduction of H2O2 compared with the AgNPs/RGO composites without involvement of PDA. The AgNPs/PDA/RGO nanocomposites presented excellent electrochemical sensing performance for detection of H2O2 with wide linear concentration range, high detection sensitivity, good selectivity and excellent reprodutibility and stability. The successful application of AgNPs/PDA/RGO nanocomposites in human serum samples for the detection of H2O2 was also demonstrated.</abstract><pub>Elsevier B.V</pub><doi>10.20964/2019.07.30</doi><tpages>15</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | International journal of electrochemical science, 2019-07, Vol.14 (7), p.6840-6854 |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection; Free Full-Text Journals in Chemistry |
| subjects | Electrochemical sensor Graphene Hydrogen peroxide Polydopamine Silver nanoparticles |
| title | The Preparation of Ag Nanoparticles/Graphene Nanocomposites with Polydopamine as Coupling Agent for Enhanced Detection of H2O2 |
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