Imparting sensitivity and selectivity to a gold nanoparticle chemiresistor through thiol monolayer functionalization for sensing acetone
Chemiresistor-based gas sensors for detection of target volatile organic compounds (VOCs) in air face common challenges of poor sensitivity and selectivity as well as suffering from interference by other constituent gases and/or humidity. This work demonstrates that functionalizing gold nanoparticle...
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| Veröffentlicht in: | RSC advances 2018-10, Vol.8 (62), p.35618-35624 |
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| creator | Xie, Zhenzhen Ramakrishnam Raju, Mandapati V Stewart, Andrew C Nantz, Michael H Fu, Xiao-An |
| description | Chemiresistor-based gas sensors for detection of target volatile organic compounds (VOCs) in air face common challenges of poor sensitivity and selectivity as well as suffering from interference by other constituent gases and/or humidity. This work demonstrates that functionalizing gold nanoparticles (AuNPs) with a designed thiol monolayer improves sensitivity and selectivity of the derived AuNPs gas sensor. We report the synthesis and application of a thiol ligand fitted with both a urea motif and a
tert
-butyl end group for functionalizing AuNPs. The AuNPs sensor prepared using the urea thiol ligand demonstrated significantly increased acetone sensing in comparison with tested commercially available thiol-functionalized AuNPs. The sensor worked under ambient temperature and high humidity conditions, and demonstrated a linear relationship between the sensor response and the common logarithm of analyte concentration.
Functionalization of gold nanoparticles with a thiol monolayer containing terminal urea moieties significantly improves the resultant interdigitated electrode chemiresistor response to acetone. |
| doi_str_mv | 10.1039/c8ra06137h |
| format | Article |
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tert
-butyl end group for functionalizing AuNPs. The AuNPs sensor prepared using the urea thiol ligand demonstrated significantly increased acetone sensing in comparison with tested commercially available thiol-functionalized AuNPs. The sensor worked under ambient temperature and high humidity conditions, and demonstrated a linear relationship between the sensor response and the common logarithm of analyte concentration.
Functionalization of gold nanoparticles with a thiol monolayer containing terminal urea moieties significantly improves the resultant interdigitated electrode chemiresistor response to acetone.</description><identifier>ISSN: 2046-2069</identifier><identifier>EISSN: 2046-2069</identifier><identifier>DOI: 10.1039/c8ra06137h</identifier><identifier>PMID: 30555687</identifier><language>eng</language><publisher>England: Royal Society of Chemistry</publisher><subject>Acetone ; Ambient temperature ; Chemistry ; Gas sensors ; Gold ; Humidity ; Ligands ; Monolayers ; Nanoparticles ; Organic chemistry ; Selectivity ; Sensitivity ; Sensors ; Target detection ; Ureas ; VOCs ; Volatile organic compounds</subject><ispartof>RSC advances, 2018-10, Vol.8 (62), p.35618-35624</ispartof><rights>Copyright Royal Society of Chemistry 2018</rights><rights>This journal is © The Royal Society of Chemistry 2018 The Royal Society of Chemistry</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c428t-3ff6a504918f951cee8530c8bb9209d42098d7cd08b217a79ae982608b3172263</citedby><cites>FETCH-LOGICAL-c428t-3ff6a504918f951cee8530c8bb9209d42098d7cd08b217a79ae982608b3172263</cites><orcidid>0000-0001-6837-6512</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC6238108/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC6238108/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,864,885,27924,27925,53791,53793</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30555687$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Xie, Zhenzhen</creatorcontrib><creatorcontrib>Ramakrishnam Raju, Mandapati V</creatorcontrib><creatorcontrib>Stewart, Andrew C</creatorcontrib><creatorcontrib>Nantz, Michael H</creatorcontrib><creatorcontrib>Fu, Xiao-An</creatorcontrib><title>Imparting sensitivity and selectivity to a gold nanoparticle chemiresistor through thiol monolayer functionalization for sensing acetone</title><title>RSC advances</title><addtitle>RSC Adv</addtitle><description>Chemiresistor-based gas sensors for detection of target volatile organic compounds (VOCs) in air face common challenges of poor sensitivity and selectivity as well as suffering from interference by other constituent gases and/or humidity. This work demonstrates that functionalizing gold nanoparticles (AuNPs) with a designed thiol monolayer improves sensitivity and selectivity of the derived AuNPs gas sensor. We report the synthesis and application of a thiol ligand fitted with both a urea motif and a
tert
-butyl end group for functionalizing AuNPs. The AuNPs sensor prepared using the urea thiol ligand demonstrated significantly increased acetone sensing in comparison with tested commercially available thiol-functionalized AuNPs. The sensor worked under ambient temperature and high humidity conditions, and demonstrated a linear relationship between the sensor response and the common logarithm of analyte concentration.
Functionalization of gold nanoparticles with a thiol monolayer containing terminal urea moieties significantly improves the resultant interdigitated electrode chemiresistor response to acetone.</description><subject>Acetone</subject><subject>Ambient temperature</subject><subject>Chemistry</subject><subject>Gas sensors</subject><subject>Gold</subject><subject>Humidity</subject><subject>Ligands</subject><subject>Monolayers</subject><subject>Nanoparticles</subject><subject>Organic chemistry</subject><subject>Selectivity</subject><subject>Sensitivity</subject><subject>Sensors</subject><subject>Target detection</subject><subject>Ureas</subject><subject>VOCs</subject><subject>Volatile organic compounds</subject><issn>2046-2069</issn><issn>2046-2069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNpdkk2LFDEQhhtR3GXdi3cl4EWE0Xx00slFWAZ1FxYE0XPIpKuns6STMUkvzP4Cf7aZD8fVHJIq6slbRd40zUuC3xPM1Acrk8GCsG580pxT3IoFxUI9fRSfNZc53-G6BCdUkOfNGcOccyG78-bXzbQxqbiwRhlCdsXdu7JFJvQ192CPeYnIoHX0PQomxP0N6wHZESaXILtcYkJlTHFej_V00aMphujNFhIa5lB1YjDePZhdgIZK79vVtsZCiQFeNM8G4zNcHs-L5sfnT9-X14vbr19ulle3C9tSWRZsGIThuFVEDooTCyA5w1auVopi1bd1k31neyxXlHSmUwaUpKKmjHSUCnbRfDzobubVBL2FUJLxepPcZNJWR-P0v5XgRr2O91pQJgmWVeDtUSDFnzPkoieXLXhvAsQ5a0p4J3iLJa7om__Quzin-g47irLqmmJdpd4dKJtizgmG0zAE653Heim_Xe09vq7w68fjn9A_jlbg1QFI2Z6qfz8J-w0rx69L</recordid><startdate>20181018</startdate><enddate>20181018</enddate><creator>Xie, Zhenzhen</creator><creator>Ramakrishnam Raju, Mandapati V</creator><creator>Stewart, Andrew C</creator><creator>Nantz, Michael H</creator><creator>Fu, Xiao-An</creator><general>Royal Society of Chemistry</general><general>The Royal Society of Chemistry</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0001-6837-6512</orcidid></search><sort><creationdate>20181018</creationdate><title>Imparting sensitivity and selectivity to a gold nanoparticle chemiresistor through thiol monolayer functionalization for sensing acetone</title><author>Xie, Zhenzhen ; Ramakrishnam Raju, Mandapati V ; Stewart, Andrew C ; Nantz, Michael H ; Fu, Xiao-An</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c428t-3ff6a504918f951cee8530c8bb9209d42098d7cd08b217a79ae982608b3172263</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Acetone</topic><topic>Ambient temperature</topic><topic>Chemistry</topic><topic>Gas sensors</topic><topic>Gold</topic><topic>Humidity</topic><topic>Ligands</topic><topic>Monolayers</topic><topic>Nanoparticles</topic><topic>Organic chemistry</topic><topic>Selectivity</topic><topic>Sensitivity</topic><topic>Sensors</topic><topic>Target detection</topic><topic>Ureas</topic><topic>VOCs</topic><topic>Volatile organic compounds</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xie, Zhenzhen</creatorcontrib><creatorcontrib>Ramakrishnam Raju, Mandapati V</creatorcontrib><creatorcontrib>Stewart, Andrew C</creatorcontrib><creatorcontrib>Nantz, Michael H</creatorcontrib><creatorcontrib>Fu, Xiao-An</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>RSC advances</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xie, Zhenzhen</au><au>Ramakrishnam Raju, Mandapati V</au><au>Stewart, Andrew C</au><au>Nantz, Michael H</au><au>Fu, Xiao-An</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Imparting sensitivity and selectivity to a gold nanoparticle chemiresistor through thiol monolayer functionalization for sensing acetone</atitle><jtitle>RSC advances</jtitle><addtitle>RSC Adv</addtitle><date>2018-10-18</date><risdate>2018</risdate><volume>8</volume><issue>62</issue><spage>35618</spage><epage>35624</epage><pages>35618-35624</pages><issn>2046-2069</issn><eissn>2046-2069</eissn><abstract>Chemiresistor-based gas sensors for detection of target volatile organic compounds (VOCs) in air face common challenges of poor sensitivity and selectivity as well as suffering from interference by other constituent gases and/or humidity. This work demonstrates that functionalizing gold nanoparticles (AuNPs) with a designed thiol monolayer improves sensitivity and selectivity of the derived AuNPs gas sensor. We report the synthesis and application of a thiol ligand fitted with both a urea motif and a
tert
-butyl end group for functionalizing AuNPs. The AuNPs sensor prepared using the urea thiol ligand demonstrated significantly increased acetone sensing in comparison with tested commercially available thiol-functionalized AuNPs. The sensor worked under ambient temperature and high humidity conditions, and demonstrated a linear relationship between the sensor response and the common logarithm of analyte concentration.
Functionalization of gold nanoparticles with a thiol monolayer containing terminal urea moieties significantly improves the resultant interdigitated electrode chemiresistor response to acetone.</abstract><cop>England</cop><pub>Royal Society of Chemistry</pub><pmid>30555687</pmid><doi>10.1039/c8ra06137h</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0001-6837-6512</orcidid><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| source | DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central Open Access; PubMed Central |
| subjects | Acetone Ambient temperature Chemistry Gas sensors Gold Humidity Ligands Monolayers Nanoparticles Organic chemistry Selectivity Sensitivity Sensors Target detection Ureas VOCs Volatile organic compounds |
| title | Imparting sensitivity and selectivity to a gold nanoparticle chemiresistor through thiol monolayer functionalization for sensing acetone |
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