In situ and sensitive monitoring of configuration-switching involved dynamic adsorption by surface plasmon-coupled directional enhanced Raman scattering
Surface adsorption studies play a crucial role in numerous fields from surface catalysis to molecular separation. However, investigation on adsorption mechanisms has been restricted to limited analytes and approaches, which calls for an in situ and sensitive surface analysis technique capable of rev...
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Veröffentlicht in: | Physical chemistry chemical physics : PCCP 2020-01, Vol.22 (22), p.12624-12629 |
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creator | Pan, Xiao-Hui Cao, Shuo-Hui Chen, Min Zhai, Yan-Yun Xu, Zi-Qian Ren, Bin Li, Yao-Qun |
description | Surface adsorption studies play a crucial role in numerous fields from surface catalysis to molecular separation. However, investigation on adsorption mechanisms has been restricted to limited analytes and approaches, which calls for an in situ and sensitive surface analysis technique capable of revealing the mechanisms as well as discriminating different adsorbates and their geometry at different adsorption stages. In this study, we employed surface plasmon-coupled directional enhanced Raman scattering (SPCR), a novel technique developed by coupling surface plasmon-coupled emission with SERS, to study conformation-switching involved dynamic adsorption with background suppression and improved sensitivity (nearly 30-fold). We obtained the isotherms for a conformation-changing Raman model analyte, malachite green. An S-type Langmuir model was fitted from the time-resolved SPCR signals sensitively and without any interference from the bulk solution. The reorientation of the analyte from a predominantly parallel configuration to a perpendicular one was captured by the dramatic increase in the intensity ratios of the adsorption-related peaks to the adsorption-unrelated peak. We believe that this new sensitive and selective SPCR technique will be a promising tool for surface adsorption kinetics analysis. |
doi_str_mv | 10.1039/d0cp01567a |
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However, investigation on adsorption mechanisms has been restricted to limited analytes and approaches, which calls for an in situ and sensitive surface analysis technique capable of revealing the mechanisms as well as discriminating different adsorbates and their geometry at different adsorption stages. In this study, we employed surface plasmon-coupled directional enhanced Raman scattering (SPCR), a novel technique developed by coupling surface plasmon-coupled emission with SERS, to study conformation-switching involved dynamic adsorption with background suppression and improved sensitivity (nearly 30-fold). We obtained the isotherms for a conformation-changing Raman model analyte, malachite green. An S-type Langmuir model was fitted from the time-resolved SPCR signals sensitively and without any interference from the bulk solution. The reorientation of the analyte from a predominantly parallel configuration to a perpendicular one was captured by the dramatic increase in the intensity ratios of the adsorption-related peaks to the adsorption-unrelated peak. We believe that this new sensitive and selective SPCR technique will be a promising tool for surface adsorption kinetics analysis.</description><identifier>ISSN: 1463-9076</identifier><identifier>EISSN: 1463-9084</identifier><identifier>DOI: 10.1039/d0cp01567a</identifier><identifier>PMID: 32458946</identifier><language>eng</language><publisher>England: Royal Society of Chemistry</publisher><subject>Adsorbates ; Adsorption ; Configurations ; Coupling (molecular) ; Emission analysis ; Malachite green ; Raman spectra ; Reaction kinetics ; Surface analysis (chemical) ; Surface chemistry ; Switching</subject><ispartof>Physical chemistry chemical physics : PCCP, 2020-01, Vol.22 (22), p.12624-12629</ispartof><rights>Copyright Royal Society of Chemistry 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c1976-50d845b127f211a5dedb41b5a30ef278b5cd583160e43240fbed1b775fa323fa3</citedby><cites>FETCH-LOGICAL-c1976-50d845b127f211a5dedb41b5a30ef278b5cd583160e43240fbed1b775fa323fa3</cites><orcidid>0000-0003-1937-0725 ; 0000-0001-7842-1671 ; 0000-0003-3610-8737</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/32458946$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Pan, Xiao-Hui</creatorcontrib><creatorcontrib>Cao, Shuo-Hui</creatorcontrib><creatorcontrib>Chen, Min</creatorcontrib><creatorcontrib>Zhai, Yan-Yun</creatorcontrib><creatorcontrib>Xu, Zi-Qian</creatorcontrib><creatorcontrib>Ren, Bin</creatorcontrib><creatorcontrib>Li, Yao-Qun</creatorcontrib><title>In situ and sensitive monitoring of configuration-switching involved dynamic adsorption by surface plasmon-coupled directional enhanced Raman scattering</title><title>Physical chemistry chemical physics : PCCP</title><addtitle>Phys Chem Chem Phys</addtitle><description>Surface adsorption studies play a crucial role in numerous fields from surface catalysis to molecular separation. However, investigation on adsorption mechanisms has been restricted to limited analytes and approaches, which calls for an in situ and sensitive surface analysis technique capable of revealing the mechanisms as well as discriminating different adsorbates and their geometry at different adsorption stages. In this study, we employed surface plasmon-coupled directional enhanced Raman scattering (SPCR), a novel technique developed by coupling surface plasmon-coupled emission with SERS, to study conformation-switching involved dynamic adsorption with background suppression and improved sensitivity (nearly 30-fold). We obtained the isotherms for a conformation-changing Raman model analyte, malachite green. An S-type Langmuir model was fitted from the time-resolved SPCR signals sensitively and without any interference from the bulk solution. The reorientation of the analyte from a predominantly parallel configuration to a perpendicular one was captured by the dramatic increase in the intensity ratios of the adsorption-related peaks to the adsorption-unrelated peak. We believe that this new sensitive and selective SPCR technique will be a promising tool for surface adsorption kinetics analysis.</description><subject>Adsorbates</subject><subject>Adsorption</subject><subject>Configurations</subject><subject>Coupling (molecular)</subject><subject>Emission analysis</subject><subject>Malachite green</subject><subject>Raman spectra</subject><subject>Reaction kinetics</subject><subject>Surface analysis (chemical)</subject><subject>Surface chemistry</subject><subject>Switching</subject><issn>1463-9076</issn><issn>1463-9084</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNpd0cFO3DAQAFALFRUKvfAByFIvqFKoHdtJ9ogW2iIhgapyjib2GIwSO9jJVvsnfC5O2XLoxR7ZzzMeDSEnnJ1zJlbfDNMj46qqYY8cclmJYsUa-eE9rqsD8imlJ8ay4uIjORClVM1KVofk5drT5KaZgjc0oc-x2yAdgndTiM4_0GCpDt66hznC5IIv0h836cflyvlN6DdoqNl6GJymYFKI46Jot6VpjhY00rGHlBMWOsxjv2gXUS8Ieor-EbzOh79ggPwVDdOES91jsm-hT_h5tx-R--9Xv9c_i5vbH9fri5tC81VdFYqZRqqOl7UtOQdl0HSSdwoEQ1vWTae0UY3gFUOZu2a2Q8O7ulYWRCnyckTO3vKOMTzPmKZ2cElj34PHMKc2v6kFl01VZfrlP_oU5pi7WBTnrCmZLLP6-qZ0DClFtO0Y3QBx23LWLvNqL9n67u-8LjI-3aWcuwHNO_03IPEKx6STuA</recordid><startdate>20200101</startdate><enddate>20200101</enddate><creator>Pan, Xiao-Hui</creator><creator>Cao, Shuo-Hui</creator><creator>Chen, Min</creator><creator>Zhai, Yan-Yun</creator><creator>Xu, Zi-Qian</creator><creator>Ren, Bin</creator><creator>Li, Yao-Qun</creator><general>Royal Society of Chemistry</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0003-1937-0725</orcidid><orcidid>https://orcid.org/0000-0001-7842-1671</orcidid><orcidid>https://orcid.org/0000-0003-3610-8737</orcidid></search><sort><creationdate>20200101</creationdate><title>In situ and sensitive monitoring of configuration-switching involved dynamic adsorption by surface plasmon-coupled directional enhanced Raman scattering</title><author>Pan, Xiao-Hui ; Cao, Shuo-Hui ; Chen, Min ; Zhai, Yan-Yun ; Xu, Zi-Qian ; Ren, Bin ; Li, Yao-Qun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c1976-50d845b127f211a5dedb41b5a30ef278b5cd583160e43240fbed1b775fa323fa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Adsorbates</topic><topic>Adsorption</topic><topic>Configurations</topic><topic>Coupling (molecular)</topic><topic>Emission analysis</topic><topic>Malachite green</topic><topic>Raman spectra</topic><topic>Reaction kinetics</topic><topic>Surface analysis (chemical)</topic><topic>Surface chemistry</topic><topic>Switching</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pan, Xiao-Hui</creatorcontrib><creatorcontrib>Cao, Shuo-Hui</creatorcontrib><creatorcontrib>Chen, Min</creatorcontrib><creatorcontrib>Zhai, Yan-Yun</creatorcontrib><creatorcontrib>Xu, Zi-Qian</creatorcontrib><creatorcontrib>Ren, Bin</creatorcontrib><creatorcontrib>Li, Yao-Qun</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>Physical chemistry chemical physics : PCCP</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pan, Xiao-Hui</au><au>Cao, Shuo-Hui</au><au>Chen, Min</au><au>Zhai, Yan-Yun</au><au>Xu, Zi-Qian</au><au>Ren, Bin</au><au>Li, Yao-Qun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>In situ and sensitive monitoring of configuration-switching involved dynamic adsorption by surface plasmon-coupled directional enhanced Raman scattering</atitle><jtitle>Physical chemistry chemical physics : PCCP</jtitle><addtitle>Phys Chem Chem Phys</addtitle><date>2020-01-01</date><risdate>2020</risdate><volume>22</volume><issue>22</issue><spage>12624</spage><epage>12629</epage><pages>12624-12629</pages><issn>1463-9076</issn><eissn>1463-9084</eissn><abstract>Surface adsorption studies play a crucial role in numerous fields from surface catalysis to molecular separation. However, investigation on adsorption mechanisms has been restricted to limited analytes and approaches, which calls for an in situ and sensitive surface analysis technique capable of revealing the mechanisms as well as discriminating different adsorbates and their geometry at different adsorption stages. In this study, we employed surface plasmon-coupled directional enhanced Raman scattering (SPCR), a novel technique developed by coupling surface plasmon-coupled emission with SERS, to study conformation-switching involved dynamic adsorption with background suppression and improved sensitivity (nearly 30-fold). We obtained the isotherms for a conformation-changing Raman model analyte, malachite green. An S-type Langmuir model was fitted from the time-resolved SPCR signals sensitively and without any interference from the bulk solution. 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source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
subjects | Adsorbates Adsorption Configurations Coupling (molecular) Emission analysis Malachite green Raman spectra Reaction kinetics Surface analysis (chemical) Surface chemistry Switching |
title | In situ and sensitive monitoring of configuration-switching involved dynamic adsorption by surface plasmon-coupled directional enhanced Raman scattering |
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