Effect of activated carbon on the enhancement of CO sensing performance of NiO
NiO/activated carbon (AC) composites were successfully synthesized via a hydrothermal reflux process as an electrode material for carbon monoxide (CO) gas sensor application. The X-ray diffraction (XRD) analysis was used to investigate the crystallinity of the samples while gas sorption analysis was...
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| Veröffentlicht in: | Journal of alloys and compounds 2017-02, Vol.694, p.155-162 |
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| creator | Khaleed, A.A. Bello, A. Dangbegnon, J.K. Momodu, D.Y. Madito, M.J. Ugbo, F.U. Akande, A.A. Dhonge, B.P. Barzegar, F. Olaniyan, O. Mwakikunga, B.W. Manyala, N. |
| description | NiO/activated carbon (AC) composites were successfully synthesized via a hydrothermal reflux process as an electrode material for carbon monoxide (CO) gas sensor application. The X-ray diffraction (XRD) analysis was used to investigate the crystallinity of the samples while gas sorption analysis was used to probe the specific surface area of both the pristine NiO and NiO/AC composite. The sensors were subjected to continuous cycles of different CO concentrations and were purged with air after each cycle, followed by variations in a normalized resistance study. The results obtained from the gas sensing analysis disclose that the incorporation of AC into NiO increased the conductivity and surface area of NiO/AC composite and subsequently enhancing the CO sensing performance of NiO/AC based sensor. These results imply that the NiO/AC composite could be an excellent nanomaterial for CO gas sensors.
•Use of reflux technique for the production of NiO/AC composite materials.•NiO synthesized exhibited spherical morphology.•Composite revealed a homogeneous coating of NiO on the AC.•Composite electrodes produced good CO sensing performance. |
| doi_str_mv | 10.1016/j.jallcom.2016.09.310 |
| format | Article |
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•Use of reflux technique for the production of NiO/AC composite materials.•NiO synthesized exhibited spherical morphology.•Composite revealed a homogeneous coating of NiO on the AC.•Composite electrodes produced good CO sensing performance.</description><identifier>ISSN: 0925-8388</identifier><identifier>EISSN: 1873-4669</identifier><identifier>DOI: 10.1016/j.jallcom.2016.09.310</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Activated carbon ; Amorphous carbon ; Carbon monoxide ; Chemical compounds ; CO gas sensors ; Composite materials ; Composites ; Conductivity ; Crystallinity ; Detection ; Diffraction ; Gas sensors ; Nanomaterials ; NiO nanostructure ; Sensors ; Surface area ; X-ray diffraction</subject><ispartof>Journal of alloys and compounds, 2017-02, Vol.694, p.155-162</ispartof><rights>2016 Elsevier B.V.</rights><rights>Copyright Elsevier BV Feb 15, 2017</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c425t-baabb46fd3e75b3ec12f54a94fc2ca9aa660561bea94f2f00ec87e15a8c9ba0f3</citedby><cites>FETCH-LOGICAL-c425t-baabb46fd3e75b3ec12f54a94fc2ca9aa660561bea94f2f00ec87e15a8c9ba0f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0925838816330730$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Khaleed, A.A.</creatorcontrib><creatorcontrib>Bello, A.</creatorcontrib><creatorcontrib>Dangbegnon, J.K.</creatorcontrib><creatorcontrib>Momodu, D.Y.</creatorcontrib><creatorcontrib>Madito, M.J.</creatorcontrib><creatorcontrib>Ugbo, F.U.</creatorcontrib><creatorcontrib>Akande, A.A.</creatorcontrib><creatorcontrib>Dhonge, B.P.</creatorcontrib><creatorcontrib>Barzegar, F.</creatorcontrib><creatorcontrib>Olaniyan, O.</creatorcontrib><creatorcontrib>Mwakikunga, B.W.</creatorcontrib><creatorcontrib>Manyala, N.</creatorcontrib><title>Effect of activated carbon on the enhancement of CO sensing performance of NiO</title><title>Journal of alloys and compounds</title><description>NiO/activated carbon (AC) composites were successfully synthesized via a hydrothermal reflux process as an electrode material for carbon monoxide (CO) gas sensor application. The X-ray diffraction (XRD) analysis was used to investigate the crystallinity of the samples while gas sorption analysis was used to probe the specific surface area of both the pristine NiO and NiO/AC composite. The sensors were subjected to continuous cycles of different CO concentrations and were purged with air after each cycle, followed by variations in a normalized resistance study. The results obtained from the gas sensing analysis disclose that the incorporation of AC into NiO increased the conductivity and surface area of NiO/AC composite and subsequently enhancing the CO sensing performance of NiO/AC based sensor. These results imply that the NiO/AC composite could be an excellent nanomaterial for CO gas sensors.
•Use of reflux technique for the production of NiO/AC composite materials.•NiO synthesized exhibited spherical morphology.•Composite revealed a homogeneous coating of NiO on the AC.•Composite electrodes produced good CO sensing performance.</description><subject>Activated carbon</subject><subject>Amorphous carbon</subject><subject>Carbon monoxide</subject><subject>Chemical compounds</subject><subject>CO gas sensors</subject><subject>Composite materials</subject><subject>Composites</subject><subject>Conductivity</subject><subject>Crystallinity</subject><subject>Detection</subject><subject>Diffraction</subject><subject>Gas sensors</subject><subject>Nanomaterials</subject><subject>NiO nanostructure</subject><subject>Sensors</subject><subject>Surface area</subject><subject>X-ray diffraction</subject><issn>0925-8388</issn><issn>1873-4669</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqFkE1rwzAMhs3YYF23nzAI7JxMjpM0Po1Rug8o7WU7G8WRV4c27uy0sH8_Z-19IBCSXkm8D2P3HDIOvHrssg63W-12WR7LDGQmOFywCa9nIi2qSl6yCci8TGtR19fsJoQOALgUfMJWC2NID4kzCerBHnGgNtHoG9cnMYYNJdRvsNe0o_5PNl8ngfpg-69kT944vxun42Rl17fsyuA20N05T9nny-Jj_pYu16_v8-dlqou8HNIGsWmKyrSCZmUjSPPclAXKwuhco0SsKigr3tDYyg0A6XpGvMRaywbBiCl7ON3de_d9oDCozh18H1-q6EvIGiTwqCpPKu1dCJ6M2nu7Q_-jOKgRnerUGZ0a0SmQKqKLe0-nPYoWjpa8CtpSdNlaH2Gp1tl_LvwCpWN6lQ</recordid><startdate>20170215</startdate><enddate>20170215</enddate><creator>Khaleed, A.A.</creator><creator>Bello, A.</creator><creator>Dangbegnon, J.K.</creator><creator>Momodu, D.Y.</creator><creator>Madito, M.J.</creator><creator>Ugbo, F.U.</creator><creator>Akande, A.A.</creator><creator>Dhonge, B.P.</creator><creator>Barzegar, F.</creator><creator>Olaniyan, O.</creator><creator>Mwakikunga, B.W.</creator><creator>Manyala, N.</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20170215</creationdate><title>Effect of activated carbon on the enhancement of CO sensing performance of NiO</title><author>Khaleed, A.A. ; Bello, A. ; Dangbegnon, J.K. ; Momodu, D.Y. ; Madito, M.J. ; Ugbo, F.U. ; Akande, A.A. ; Dhonge, B.P. ; Barzegar, F. ; Olaniyan, O. ; Mwakikunga, B.W. ; Manyala, N.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c425t-baabb46fd3e75b3ec12f54a94fc2ca9aa660561bea94f2f00ec87e15a8c9ba0f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Activated carbon</topic><topic>Amorphous carbon</topic><topic>Carbon monoxide</topic><topic>Chemical compounds</topic><topic>CO gas sensors</topic><topic>Composite materials</topic><topic>Composites</topic><topic>Conductivity</topic><topic>Crystallinity</topic><topic>Detection</topic><topic>Diffraction</topic><topic>Gas sensors</topic><topic>Nanomaterials</topic><topic>NiO nanostructure</topic><topic>Sensors</topic><topic>Surface area</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Khaleed, A.A.</creatorcontrib><creatorcontrib>Bello, A.</creatorcontrib><creatorcontrib>Dangbegnon, J.K.</creatorcontrib><creatorcontrib>Momodu, D.Y.</creatorcontrib><creatorcontrib>Madito, M.J.</creatorcontrib><creatorcontrib>Ugbo, F.U.</creatorcontrib><creatorcontrib>Akande, A.A.</creatorcontrib><creatorcontrib>Dhonge, B.P.</creatorcontrib><creatorcontrib>Barzegar, F.</creatorcontrib><creatorcontrib>Olaniyan, O.</creatorcontrib><creatorcontrib>Mwakikunga, B.W.</creatorcontrib><creatorcontrib>Manyala, N.</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of alloys and compounds</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Khaleed, A.A.</au><au>Bello, A.</au><au>Dangbegnon, J.K.</au><au>Momodu, D.Y.</au><au>Madito, M.J.</au><au>Ugbo, F.U.</au><au>Akande, A.A.</au><au>Dhonge, B.P.</au><au>Barzegar, F.</au><au>Olaniyan, O.</au><au>Mwakikunga, B.W.</au><au>Manyala, N.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of activated carbon on the enhancement of CO sensing performance of NiO</atitle><jtitle>Journal of alloys and compounds</jtitle><date>2017-02-15</date><risdate>2017</risdate><volume>694</volume><spage>155</spage><epage>162</epage><pages>155-162</pages><issn>0925-8388</issn><eissn>1873-4669</eissn><abstract>NiO/activated carbon (AC) composites were successfully synthesized via a hydrothermal reflux process as an electrode material for carbon monoxide (CO) gas sensor application. The X-ray diffraction (XRD) analysis was used to investigate the crystallinity of the samples while gas sorption analysis was used to probe the specific surface area of both the pristine NiO and NiO/AC composite. The sensors were subjected to continuous cycles of different CO concentrations and were purged with air after each cycle, followed by variations in a normalized resistance study. The results obtained from the gas sensing analysis disclose that the incorporation of AC into NiO increased the conductivity and surface area of NiO/AC composite and subsequently enhancing the CO sensing performance of NiO/AC based sensor. These results imply that the NiO/AC composite could be an excellent nanomaterial for CO gas sensors.
•Use of reflux technique for the production of NiO/AC composite materials.•NiO synthesized exhibited spherical morphology.•Composite revealed a homogeneous coating of NiO on the AC.•Composite electrodes produced good CO sensing performance.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jallcom.2016.09.310</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Activated carbon Amorphous carbon Carbon monoxide Chemical compounds CO gas sensors Composite materials Composites Conductivity Crystallinity Detection Diffraction Gas sensors Nanomaterials NiO nanostructure Sensors Surface area X-ray diffraction |
| title | Effect of activated carbon on the enhancement of CO sensing performance of NiO |
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