Adsorption of cetyltrimethylammonium bromide and/or cetyldimethylbenzylammonium chloride on partly covered hanging mercury drop electrode
Capacitance time curves at various potential jumps show arrangement of surfactant molecules with reorientation and interaction. [Display omitted] ► Adsorbed surfactants on mercury are used as templates. ► The second adsorbed surfactant does not remove away the first one. Films and synergy effects ar...
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| Veröffentlicht in: | Journal of colloid and interface science 2011-10, Vol.362 (1), p.164-171 |
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| creator | Koniari, Argyri Avranas, Antonis |
| description | Capacitance time curves at various potential jumps show arrangement of surfactant molecules with reorientation and interaction. [Display omitted]
► Adsorbed surfactants on mercury are used as templates. ► The second adsorbed surfactant does not remove away the first one. Films and synergy effects are observed. ► The already adsorbed CTAB on mercury does not permit the desorption–reorientation peaks of CDBACl. ► Shifts of the capacitance peaks are attributed to a slow change in the organization of the monolayer. ► The ordering and arrangement of molecules could be controlled by appropriate selection of templates.
Adsorbed cetyldimethylbenzylammonium chloride (CDBACl) or cetyltrimethylammonium bromide (CTAB) on mercury is used as template for the adsorption of CTAB, CDBACl, or their equimolar mixture at 20°C. Adsorptive stripping voltammetry with the two step procedure is used. The results are compared with previously published results on the adsorption of CTAB and CDBACl on mercury and then transferred in base electrolyte. A surfactant is preadsorbed. The adsorption of the second does not remove away from the mercury the first one, as evidenced by the capacitance measurements and the repeated scans. The surfactants were maintained close to each other and in the vicinity of the electrode by the applied electric field. In all cases studied, there was a decrease in the capacitance in the potential range −0.8 to −1V to very low capacitance values forming condensed film. Mixed films and synergy effects were observed. The already adsorbed CTAB on mercury did not permit the desorption–reorientation peaks of CDBACl. Shifts of the capacitance peaks were observed to more positive potentials and were attributed to the occurrence of a slow change in the organization of the monolayer. The electrical state of the preadsorbed surfactant would be of critical importance in the formation of the various structures. The results suggested that the ordering and arrangement of molecules could be controlled by appropriate selection of templates. |
| doi_str_mv | 10.1016/j.jcis.2011.06.026 |
| format | Article |
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► Adsorbed surfactants on mercury are used as templates. ► The second adsorbed surfactant does not remove away the first one. Films and synergy effects are observed. ► The already adsorbed CTAB on mercury does not permit the desorption–reorientation peaks of CDBACl. ► Shifts of the capacitance peaks are attributed to a slow change in the organization of the monolayer. ► The ordering and arrangement of molecules could be controlled by appropriate selection of templates.
Adsorbed cetyldimethylbenzylammonium chloride (CDBACl) or cetyltrimethylammonium bromide (CTAB) on mercury is used as template for the adsorption of CTAB, CDBACl, or their equimolar mixture at 20°C. Adsorptive stripping voltammetry with the two step procedure is used. The results are compared with previously published results on the adsorption of CTAB and CDBACl on mercury and then transferred in base electrolyte. A surfactant is preadsorbed. The adsorption of the second does not remove away from the mercury the first one, as evidenced by the capacitance measurements and the repeated scans. The surfactants were maintained close to each other and in the vicinity of the electrode by the applied electric field. In all cases studied, there was a decrease in the capacitance in the potential range −0.8 to −1V to very low capacitance values forming condensed film. Mixed films and synergy effects were observed. The already adsorbed CTAB on mercury did not permit the desorption–reorientation peaks of CDBACl. Shifts of the capacitance peaks were observed to more positive potentials and were attributed to the occurrence of a slow change in the organization of the monolayer. The electrical state of the preadsorbed surfactant would be of critical importance in the formation of the various structures. The results suggested that the ordering and arrangement of molecules could be controlled by appropriate selection of templates.</description><identifier>ISSN: 0021-9797</identifier><identifier>EISSN: 1095-7103</identifier><identifier>DOI: 10.1016/j.jcis.2011.06.026</identifier><identifier>PMID: 21752392</identifier><identifier>CODEN: JCISA5</identifier><language>eng</language><publisher>Amsterdam: Elsevier Inc</publisher><subject>Adsorption ; Adsorptive stripping voltammetry ; Capacitance ; Cetyldimethylbenzylammonium chloride ; Cetyltrimethylammonium bromide ; Chemistry ; Chlorides ; Condensed film ; Differential capacitance ; electric field ; Electric potential ; Electrodes ; electrolytes ; Exact sciences and technology ; General and physical chemistry ; Mercury ; Surface physical chemistry ; Surfactants ; Template</subject><ispartof>Journal of colloid and interface science, 2011-10, Vol.362 (1), p.164-171</ispartof><rights>2011 Elsevier Inc.</rights><rights>2015 INIST-CNRS</rights><rights>Copyright © 2011 Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c441t-4fb081e4acbc7c40bc5aa7056d50f88b5a4edfa024aa9297ddf6849ffc89f1ac3</citedby><cites>FETCH-LOGICAL-c441t-4fb081e4acbc7c40bc5aa7056d50f88b5a4edfa024aa9297ddf6849ffc89f1ac3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0021979711007430$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27903,27904,65308</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=24455014$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21752392$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Koniari, Argyri</creatorcontrib><creatorcontrib>Avranas, Antonis</creatorcontrib><title>Adsorption of cetyltrimethylammonium bromide and/or cetyldimethylbenzylammonium chloride on partly covered hanging mercury drop electrode</title><title>Journal of colloid and interface science</title><addtitle>J Colloid Interface Sci</addtitle><description>Capacitance time curves at various potential jumps show arrangement of surfactant molecules with reorientation and interaction. [Display omitted]
► Adsorbed surfactants on mercury are used as templates. ► The second adsorbed surfactant does not remove away the first one. Films and synergy effects are observed. ► The already adsorbed CTAB on mercury does not permit the desorption–reorientation peaks of CDBACl. ► Shifts of the capacitance peaks are attributed to a slow change in the organization of the monolayer. ► The ordering and arrangement of molecules could be controlled by appropriate selection of templates.
Adsorbed cetyldimethylbenzylammonium chloride (CDBACl) or cetyltrimethylammonium bromide (CTAB) on mercury is used as template for the adsorption of CTAB, CDBACl, or their equimolar mixture at 20°C. Adsorptive stripping voltammetry with the two step procedure is used. The results are compared with previously published results on the adsorption of CTAB and CDBACl on mercury and then transferred in base electrolyte. A surfactant is preadsorbed. The adsorption of the second does not remove away from the mercury the first one, as evidenced by the capacitance measurements and the repeated scans. The surfactants were maintained close to each other and in the vicinity of the electrode by the applied electric field. In all cases studied, there was a decrease in the capacitance in the potential range −0.8 to −1V to very low capacitance values forming condensed film. Mixed films and synergy effects were observed. The already adsorbed CTAB on mercury did not permit the desorption–reorientation peaks of CDBACl. Shifts of the capacitance peaks were observed to more positive potentials and were attributed to the occurrence of a slow change in the organization of the monolayer. The electrical state of the preadsorbed surfactant would be of critical importance in the formation of the various structures. The results suggested that the ordering and arrangement of molecules could be controlled by appropriate selection of templates.</description><subject>Adsorption</subject><subject>Adsorptive stripping voltammetry</subject><subject>Capacitance</subject><subject>Cetyldimethylbenzylammonium chloride</subject><subject>Cetyltrimethylammonium bromide</subject><subject>Chemistry</subject><subject>Chlorides</subject><subject>Condensed film</subject><subject>Differential capacitance</subject><subject>electric field</subject><subject>Electric potential</subject><subject>Electrodes</subject><subject>electrolytes</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Mercury</subject><subject>Surface physical chemistry</subject><subject>Surfactants</subject><subject>Template</subject><issn>0021-9797</issn><issn>1095-7103</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqF0c9u1DAQBvAIgehSeAEOkAvilO3YsZNY4lJV_JMqcYCeLcce73qVxMFOKqVvwFvjKEvFCU6-_ObzaL4se01gT4BUV6f9Sbu4p0DIHqo90OpJtiMgeFETKJ9mOwBKClGL-iJ7EeMJEuRcPM8uKKk5LQXdZb-uTfRhnJwfcm9zjdPSTcH1OB2XTvW9H9zc523wvTOYq8Fc-bApc0YtDg9_UX3sfFhtChxVmLol1_4eA5r8qIaDGw55j0HPYclN8GOOHeopeIMvs2dWdRFfnd_L7O7Txx83X4rbb5-_3lzfFpoxMhXMttAQZEq3utYMWs2VqoFXhoNtmpYrhsYqoEwpQUVtjK0aJqzVjbBE6fIye7_ljsH_nDFOsndRY9epAf0cpSBCUKBl-V_ZNFATJgRJkm5SBx9jQCvHdEMVFklArl3Jk1y7kmtXEiqZukpDb87xc9ujeRz5U04C785ARa06G9SwZjw6xjgHwpJ7uzmrvFSHkMzd9_RTBQBVWpIn8WETmA577zDIqB0OGo0L6fzSePevTX8DTsbA1Q</recordid><startdate>20111001</startdate><enddate>20111001</enddate><creator>Koniari, Argyri</creator><creator>Avranas, Antonis</creator><general>Elsevier Inc</general><general>Elsevier</general><scope>FBQ</scope><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20111001</creationdate><title>Adsorption of cetyltrimethylammonium bromide and/or cetyldimethylbenzylammonium chloride on partly covered hanging mercury drop electrode</title><author>Koniari, Argyri ; Avranas, Antonis</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c441t-4fb081e4acbc7c40bc5aa7056d50f88b5a4edfa024aa9297ddf6849ffc89f1ac3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Adsorption</topic><topic>Adsorptive stripping voltammetry</topic><topic>Capacitance</topic><topic>Cetyldimethylbenzylammonium chloride</topic><topic>Cetyltrimethylammonium bromide</topic><topic>Chemistry</topic><topic>Chlorides</topic><topic>Condensed film</topic><topic>Differential capacitance</topic><topic>electric field</topic><topic>Electric potential</topic><topic>Electrodes</topic><topic>electrolytes</topic><topic>Exact sciences and technology</topic><topic>General and physical chemistry</topic><topic>Mercury</topic><topic>Surface physical chemistry</topic><topic>Surfactants</topic><topic>Template</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Koniari, Argyri</creatorcontrib><creatorcontrib>Avranas, Antonis</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of colloid and interface science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Koniari, Argyri</au><au>Avranas, Antonis</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Adsorption of cetyltrimethylammonium bromide and/or cetyldimethylbenzylammonium chloride on partly covered hanging mercury drop electrode</atitle><jtitle>Journal of colloid and interface science</jtitle><addtitle>J Colloid Interface Sci</addtitle><date>2011-10-01</date><risdate>2011</risdate><volume>362</volume><issue>1</issue><spage>164</spage><epage>171</epage><pages>164-171</pages><issn>0021-9797</issn><eissn>1095-7103</eissn><coden>JCISA5</coden><abstract>Capacitance time curves at various potential jumps show arrangement of surfactant molecules with reorientation and interaction. [Display omitted]
► Adsorbed surfactants on mercury are used as templates. ► The second adsorbed surfactant does not remove away the first one. Films and synergy effects are observed. ► The already adsorbed CTAB on mercury does not permit the desorption–reorientation peaks of CDBACl. ► Shifts of the capacitance peaks are attributed to a slow change in the organization of the monolayer. ► The ordering and arrangement of molecules could be controlled by appropriate selection of templates.
Adsorbed cetyldimethylbenzylammonium chloride (CDBACl) or cetyltrimethylammonium bromide (CTAB) on mercury is used as template for the adsorption of CTAB, CDBACl, or their equimolar mixture at 20°C. Adsorptive stripping voltammetry with the two step procedure is used. The results are compared with previously published results on the adsorption of CTAB and CDBACl on mercury and then transferred in base electrolyte. A surfactant is preadsorbed. The adsorption of the second does not remove away from the mercury the first one, as evidenced by the capacitance measurements and the repeated scans. The surfactants were maintained close to each other and in the vicinity of the electrode by the applied electric field. In all cases studied, there was a decrease in the capacitance in the potential range −0.8 to −1V to very low capacitance values forming condensed film. Mixed films and synergy effects were observed. The already adsorbed CTAB on mercury did not permit the desorption–reorientation peaks of CDBACl. Shifts of the capacitance peaks were observed to more positive potentials and were attributed to the occurrence of a slow change in the organization of the monolayer. The electrical state of the preadsorbed surfactant would be of critical importance in the formation of the various structures. The results suggested that the ordering and arrangement of molecules could be controlled by appropriate selection of templates.</abstract><cop>Amsterdam</cop><pub>Elsevier Inc</pub><pmid>21752392</pmid><doi>10.1016/j.jcis.2011.06.026</doi><tpages>8</tpages></addata></record> |
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| subjects | Adsorption Adsorptive stripping voltammetry Capacitance Cetyldimethylbenzylammonium chloride Cetyltrimethylammonium bromide Chemistry Chlorides Condensed film Differential capacitance electric field Electric potential Electrodes electrolytes Exact sciences and technology General and physical chemistry Mercury Surface physical chemistry Surfactants Template |
| title | Adsorption of cetyltrimethylammonium bromide and/or cetyldimethylbenzylammonium chloride on partly covered hanging mercury drop electrode |
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