Influence of cationic moieties on the tribolayer constitution shown for bis(trifluoromethylsulfonyl)imide based ionic liquids studied by X-ray photoelectron spectroscopy
The effect of varying the cationic structural moiety of bis(trifluoromethylsulfonyl)imide based ionic liquids (ILs) on the constitution of the tribolayer was studied by a X-ray photoelectron spectroscopic (XPS) approach. Tribolayers generated from five different ILs were characterised by means of XP...
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| Veröffentlicht in: | Tribology international 2014-12, Vol.80, p.90-97 |
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| creator | Gabler, Christoph Dörr, Nicole Allmaier, Günter |
| description | The effect of varying the cationic structural moiety of bis(trifluoromethylsulfonyl)imide based ionic liquids (ILs) on the constitution of the tribolayer was studied by a X-ray photoelectron spectroscopic (XPS) approach. Tribolayers generated from five different ILs were characterised by means of XPS imaging of the top-most surface layers and by performing depth profiling. Differences in the concentration of tribochemical reaction products such as fluorides, detected on the topmost layers indicate that between the selected ILs an order of decreasing decomposition takes place phosphonium>imidazolium>pyrrolidinium>sulfonium>ammonium. Similar results could be shown in the depth profiles of the tribolayers. Hence, the influence of the cationic moiety cannot be neglected.
[Display omitted]
•Combination of XPS spot analysis, imaging and depth profiling for tribolayer characterisation of ionic liquids.•Cationic effect is not negligible.•Cations are not integral part of the tribolayers. |
| doi_str_mv | 10.1016/j.triboint.2014.06.018 |
| format | Article |
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[Display omitted]
•Combination of XPS spot analysis, imaging and depth profiling for tribolayer characterisation of ionic liquids.•Cationic effect is not negligible.•Cations are not integral part of the tribolayers.</description><identifier>ISSN: 0301-679X</identifier><identifier>EISSN: 1879-2464</identifier><identifier>DOI: 10.1016/j.triboint.2014.06.018</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>Cationic ; Constitution ; Depth profiling ; Ionic liquids ; Mapping ; Steel ; Surface analysis ; Surface layer ; Tribochemistry ; Tribology ; X-ray photoelectron spectroscopy ; X-rays</subject><ispartof>Tribology international, 2014-12, Vol.80, p.90-97</ispartof><rights>2014 Elsevier Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c345t-c115b94287bad3a3b374cdb8c480750ef0bff71d46e3f69a55077fbdf1a5e7993</citedby><cites>FETCH-LOGICAL-c345t-c115b94287bad3a3b374cdb8c480750ef0bff71d46e3f69a55077fbdf1a5e7993</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.triboint.2014.06.018$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3549,27923,27924,45994</link.rule.ids></links><search><creatorcontrib>Gabler, Christoph</creatorcontrib><creatorcontrib>Dörr, Nicole</creatorcontrib><creatorcontrib>Allmaier, Günter</creatorcontrib><title>Influence of cationic moieties on the tribolayer constitution shown for bis(trifluoromethylsulfonyl)imide based ionic liquids studied by X-ray photoelectron spectroscopy</title><title>Tribology international</title><description>The effect of varying the cationic structural moiety of bis(trifluoromethylsulfonyl)imide based ionic liquids (ILs) on the constitution of the tribolayer was studied by a X-ray photoelectron spectroscopic (XPS) approach. Tribolayers generated from five different ILs were characterised by means of XPS imaging of the top-most surface layers and by performing depth profiling. Differences in the concentration of tribochemical reaction products such as fluorides, detected on the topmost layers indicate that between the selected ILs an order of decreasing decomposition takes place phosphonium>imidazolium>pyrrolidinium>sulfonium>ammonium. Similar results could be shown in the depth profiles of the tribolayers. Hence, the influence of the cationic moiety cannot be neglected.
[Display omitted]
•Combination of XPS spot analysis, imaging and depth profiling for tribolayer characterisation of ionic liquids.•Cationic effect is not negligible.•Cations are not integral part of the tribolayers.</description><subject>Cationic</subject><subject>Constitution</subject><subject>Depth profiling</subject><subject>Ionic liquids</subject><subject>Mapping</subject><subject>Steel</subject><subject>Surface analysis</subject><subject>Surface layer</subject><subject>Tribochemistry</subject><subject>Tribology</subject><subject>X-ray photoelectron spectroscopy</subject><subject>X-rays</subject><issn>0301-679X</issn><issn>1879-2464</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqFkctu1TAQhiMEEofCKyAvyyKpnTh2sgNVXCpVYgNSd5YvY505cuJT2wHlkXhLkh66ZuWR9c83M_qq6j2jDaNM3JyaktBEnEvTUsYbKhrKhhfVgQ1yrFsu-MvqQDvKaiHHh9fVm5xPlFLJR3mo_tzNPiwwWyDRE6sLxhktmSJCQcgkzqQcgTxNCHqFRGycc8Gy7EmSj_H3THxMxGC-3lIbLKY4QTmuIS_Bx3kNH3BCB8ToDI5c-AEfF3SZ5LI43H7NSh7qpFdyPsYSIYAtacefn4ps43l9W73yOmR49--9qn5--fzj9lt9__3r3e2n-9p2vC-1Zaw3I28HabTrdGc6ya0zg-UDlT0FT433kjkuoPNi1H1PpfTGeaZ7kOPYXVXXF-45xccFclETZgsh6BnikhUTvG152wm6RcUlarcdcwKvzgknnVbFqNrdqJN6dqN2N4oKtbnZGj9eGmE75BdCUtniLsFh2i5WLuL_EH8B4Huitg</recordid><startdate>20141201</startdate><enddate>20141201</enddate><creator>Gabler, Christoph</creator><creator>Dörr, Nicole</creator><creator>Allmaier, Günter</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20141201</creationdate><title>Influence of cationic moieties on the tribolayer constitution shown for bis(trifluoromethylsulfonyl)imide based ionic liquids studied by X-ray photoelectron spectroscopy</title><author>Gabler, Christoph ; Dörr, Nicole ; Allmaier, Günter</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c345t-c115b94287bad3a3b374cdb8c480750ef0bff71d46e3f69a55077fbdf1a5e7993</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Cationic</topic><topic>Constitution</topic><topic>Depth profiling</topic><topic>Ionic liquids</topic><topic>Mapping</topic><topic>Steel</topic><topic>Surface analysis</topic><topic>Surface layer</topic><topic>Tribochemistry</topic><topic>Tribology</topic><topic>X-ray photoelectron spectroscopy</topic><topic>X-rays</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gabler, Christoph</creatorcontrib><creatorcontrib>Dörr, Nicole</creatorcontrib><creatorcontrib>Allmaier, Günter</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Tribology international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gabler, Christoph</au><au>Dörr, Nicole</au><au>Allmaier, Günter</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of cationic moieties on the tribolayer constitution shown for bis(trifluoromethylsulfonyl)imide based ionic liquids studied by X-ray photoelectron spectroscopy</atitle><jtitle>Tribology international</jtitle><date>2014-12-01</date><risdate>2014</risdate><volume>80</volume><spage>90</spage><epage>97</epage><pages>90-97</pages><issn>0301-679X</issn><eissn>1879-2464</eissn><abstract>The effect of varying the cationic structural moiety of bis(trifluoromethylsulfonyl)imide based ionic liquids (ILs) on the constitution of the tribolayer was studied by a X-ray photoelectron spectroscopic (XPS) approach. Tribolayers generated from five different ILs were characterised by means of XPS imaging of the top-most surface layers and by performing depth profiling. Differences in the concentration of tribochemical reaction products such as fluorides, detected on the topmost layers indicate that between the selected ILs an order of decreasing decomposition takes place phosphonium>imidazolium>pyrrolidinium>sulfonium>ammonium. Similar results could be shown in the depth profiles of the tribolayers. Hence, the influence of the cationic moiety cannot be neglected.
[Display omitted]
•Combination of XPS spot analysis, imaging and depth profiling for tribolayer characterisation of ionic liquids.•Cationic effect is not negligible.•Cations are not integral part of the tribolayers.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.triboint.2014.06.018</doi><tpages>8</tpages></addata></record> |
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| ispartof | Tribology international, 2014-12, Vol.80, p.90-97 |
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| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Cationic Constitution Depth profiling Ionic liquids Mapping Steel Surface analysis Surface layer Tribochemistry Tribology X-ray photoelectron spectroscopy X-rays |
| title | Influence of cationic moieties on the tribolayer constitution shown for bis(trifluoromethylsulfonyl)imide based ionic liquids studied by X-ray photoelectron spectroscopy |
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