Effect of ordered mesoporous carbon contact layer on the sensing performance of sputtered RuO2 thin film pH sensor
The effect of contact layer on the pH sensing performance of a sputtered RuO2 thin film pH sensor is investigated. The response of pH sensors employing RuO2 thin film electrodes on screen-printed Pt, carbon and ordered mesoporous carbon (OMC) contact layers are measured over a pH range from 4 to 10....
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| Veröffentlicht in: | Talanta (Oxford) 2017-03, Vol.164, p.52-56 |
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| creator | Lonsdale, W. Maurya, D.K. Wajrak, M. Alameh, K. |
| description | The effect of contact layer on the pH sensing performance of a sputtered RuO2 thin film pH sensor is investigated. The response of pH sensors employing RuO2 thin film electrodes on screen-printed Pt, carbon and ordered mesoporous carbon (OMC) contact layers are measured over a pH range from 4 to 10. Working electrodes with OMC contact layer are found to have Nernstian pH sensitivity (−58.4mV/pH), low short-term drift rate (5.0mV/h), low hysteresis values (1.13mV) and fast reaction times (30s), after only 1h of conditioning. A pH sensor constructed with OMC carbon contact layer displays improved sensing performance compared to Pt and carbon-based counterparts, making this electrode more attractive for applications requiring highly-accurate pH sensing with reduced conditioning time.
[Display omitted]
•Improved RuO2 thin film pH senor performance using OMC as contact material.•RuO2 electrodes with OMC contact layer was stable after 1 h of conditioning.•pH sensing performance: −58.4 mV/pH, 5.0 mV/h drift, 1.13 mV hysteresis and 30 s reaction time. |
| doi_str_mv | 10.1016/j.talanta.2016.11.020 |
| format | Article |
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[Display omitted]
•Improved RuO2 thin film pH senor performance using OMC as contact material.•RuO2 electrodes with OMC contact layer was stable after 1 h of conditioning.•pH sensing performance: −58.4 mV/pH, 5.0 mV/h drift, 1.13 mV hysteresis and 30 s reaction time.</description><identifier>ISSN: 0039-9140</identifier><identifier>EISSN: 1873-3573</identifier><identifier>DOI: 10.1016/j.talanta.2016.11.020</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Contact layer ; Ordered mesoporous carbon ; PH sensor ; R.F. sputtering ; RuO2</subject><ispartof>Talanta (Oxford), 2017-03, Vol.164, p.52-56</ispartof><rights>2016 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c342t-4efcaa74c98a96619c59cbc3b3b125c5c74ae7fc5db5d1bf8c1113f90a7ac3633</citedby><cites>FETCH-LOGICAL-c342t-4efcaa74c98a96619c59cbc3b3b125c5c74ae7fc5db5d1bf8c1113f90a7ac3633</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0039914016308906$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65534</link.rule.ids></links><search><creatorcontrib>Lonsdale, W.</creatorcontrib><creatorcontrib>Maurya, D.K.</creatorcontrib><creatorcontrib>Wajrak, M.</creatorcontrib><creatorcontrib>Alameh, K.</creatorcontrib><title>Effect of ordered mesoporous carbon contact layer on the sensing performance of sputtered RuO2 thin film pH sensor</title><title>Talanta (Oxford)</title><description>The effect of contact layer on the pH sensing performance of a sputtered RuO2 thin film pH sensor is investigated. The response of pH sensors employing RuO2 thin film electrodes on screen-printed Pt, carbon and ordered mesoporous carbon (OMC) contact layers are measured over a pH range from 4 to 10. Working electrodes with OMC contact layer are found to have Nernstian pH sensitivity (−58.4mV/pH), low short-term drift rate (5.0mV/h), low hysteresis values (1.13mV) and fast reaction times (30s), after only 1h of conditioning. A pH sensor constructed with OMC carbon contact layer displays improved sensing performance compared to Pt and carbon-based counterparts, making this electrode more attractive for applications requiring highly-accurate pH sensing with reduced conditioning time.
[Display omitted]
•Improved RuO2 thin film pH senor performance using OMC as contact material.•RuO2 electrodes with OMC contact layer was stable after 1 h of conditioning.•pH sensing performance: −58.4 mV/pH, 5.0 mV/h drift, 1.13 mV hysteresis and 30 s reaction time.</description><subject>Contact layer</subject><subject>Ordered mesoporous carbon</subject><subject>PH sensor</subject><subject>R.F. sputtering</subject><subject>RuO2</subject><issn>0039-9140</issn><issn>1873-3573</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LxDAQhoMouH78BCFHL62ZpunHSUTUFQRB9BzS6USztE1NuoL_3qzr3dMww_s-MA9jFyByEFBdbfLFDGZaTF6kNQfIRSEO2AqaWmZS1fKQrYSQbdZCKY7ZSYwbIUQhhVyxcGct4cK95T70FKjnI0U_--C3kaMJnZ84-gRPocF8U-DpsHwQjzRFN73zmYL1YTQT0o4S5-2y_HJets9FSrqJWzeMfF7_Vnw4Y0fWDJHO_-Ype7u_e71dZ0_PD4-3N08ZyrJYspIsGlOX2DamrSpoUbXYoexkB4VChXVpqLao-k710NkGAUDaVpjaoKykPGWXe-4c_OeW4qJHF5GGpIrScxqaClRTl7VKUbWPYvAxBrJ6Dm404VuD0DvHeqP_HOudYw2gk-PUu973KP3x5SjoiI6Sid6FZFX33v1D-AHvKIov</recordid><startdate>20170301</startdate><enddate>20170301</enddate><creator>Lonsdale, W.</creator><creator>Maurya, D.K.</creator><creator>Wajrak, M.</creator><creator>Alameh, K.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20170301</creationdate><title>Effect of ordered mesoporous carbon contact layer on the sensing performance of sputtered RuO2 thin film pH sensor</title><author>Lonsdale, W. ; Maurya, D.K. ; Wajrak, M. ; Alameh, K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c342t-4efcaa74c98a96619c59cbc3b3b125c5c74ae7fc5db5d1bf8c1113f90a7ac3633</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Contact layer</topic><topic>Ordered mesoporous carbon</topic><topic>PH sensor</topic><topic>R.F. sputtering</topic><topic>RuO2</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lonsdale, W.</creatorcontrib><creatorcontrib>Maurya, D.K.</creatorcontrib><creatorcontrib>Wajrak, M.</creatorcontrib><creatorcontrib>Alameh, K.</creatorcontrib><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Talanta (Oxford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lonsdale, W.</au><au>Maurya, D.K.</au><au>Wajrak, M.</au><au>Alameh, K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of ordered mesoporous carbon contact layer on the sensing performance of sputtered RuO2 thin film pH sensor</atitle><jtitle>Talanta (Oxford)</jtitle><date>2017-03-01</date><risdate>2017</risdate><volume>164</volume><spage>52</spage><epage>56</epage><pages>52-56</pages><issn>0039-9140</issn><eissn>1873-3573</eissn><abstract>The effect of contact layer on the pH sensing performance of a sputtered RuO2 thin film pH sensor is investigated. The response of pH sensors employing RuO2 thin film electrodes on screen-printed Pt, carbon and ordered mesoporous carbon (OMC) contact layers are measured over a pH range from 4 to 10. Working electrodes with OMC contact layer are found to have Nernstian pH sensitivity (−58.4mV/pH), low short-term drift rate (5.0mV/h), low hysteresis values (1.13mV) and fast reaction times (30s), after only 1h of conditioning. A pH sensor constructed with OMC carbon contact layer displays improved sensing performance compared to Pt and carbon-based counterparts, making this electrode more attractive for applications requiring highly-accurate pH sensing with reduced conditioning time.
[Display omitted]
•Improved RuO2 thin film pH senor performance using OMC as contact material.•RuO2 electrodes with OMC contact layer was stable after 1 h of conditioning.•pH sensing performance: −58.4 mV/pH, 5.0 mV/h drift, 1.13 mV hysteresis and 30 s reaction time.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.talanta.2016.11.020</doi><tpages>5</tpages></addata></record> |
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| subjects | Contact layer Ordered mesoporous carbon PH sensor R.F. sputtering RuO2 |
| title | Effect of ordered mesoporous carbon contact layer on the sensing performance of sputtered RuO2 thin film pH sensor |
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