FigsharePub Date : 1753-01-01DOI: 10.1021/acs.langmuir.3c03670.s001
Haibao Zhang (18160282), Yongxing Lin (2228500), Chunhong Qiao (11254476), Liang Wang (23021), Cheng Cai (4684924), Hui He (356808), Xingyou Tian (2074315)
{"title":"Constructionnof the Au Nanoparticle/Graphene Oxide/AunNanotube (AuNP/GO/AuNT) Sandwich Membrane for Surface-Enhanced RamannScattering Sensing","authors":"Haibao Zhang (18160282), Yongxing Lin (2228500), Chunhong Qiao (11254476), Liang Wang (23021), Cheng Cai (4684924), Hui He (356808), Xingyou Tian (2074315)","doi":"10.1021/acs.langmuir.3c03670.s001","DOIUrl":"https://doi.org/10.1021/acs.langmuir.3c03670.s001","url":null,"abstract":"Au nanotube-based composite membrane served as surface-enhancednRaman scattering (SERS) substrate with an ultralarge aspect rationpossesses an excellent flexibility and widely tunable surface plasmonnresonance, and by introducing graphene oxide (GO) as a spacer layer,nthe SERS enhancement of the composite membrane is obviously betternthan those from the individual blocks of the Au nanotubes (AuNTS)nmembrane and the Au nanoparticle/graphene oxide (AuNP/GO) membrane.nSuch a “sandwich” (AuNP/GO/AuNT) structured membranenhas a high SERS sensitivity and a wide tunability by controlling thensize of Au nanoparticles and the thickness of graphene oxide, andnthe detection limits of the AuNP/GO/AuNT substrate for R6G and NBAnare as low as 10<sup>–12</sup> and 10<sup>–7</sup> M,nrespectively; the large enhancement is attributed to the adsorptionnand chemical mechanism of graphene oxide and the physical mechanismnof the Au nanoparticles and nanotubes (the electromagnetic field couplingnbetween them).","PeriodicalId":522258,"journal":{"name":"Figshare","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"1753-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147894229","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}