{"title":"循环伏安法研究链烷硫醇和链烷二硫醇在金上的吸附动力学","authors":"Hui He, Yan Xie, Yaqing Jiang","doi":"10.1109/ICIST.2011.5765067","DOIUrl":null,"url":null,"abstract":"A study of the adsorption kinetics of 1-octanethiol and 1,8-octanedithiol has been carried out on gold electrode by cyclic voltammetry with different concentrations. Analysis of the kinetic data show that the adsorption kinetics of 1-octanethiol and 1,8-octanedithiol can be satisfactorily described by Diffusion controlled Langmuir(DCL) model, irrespective of concentration. The rate constants of 1-octanethiol and 1,8-octanedithiol are almost invariable at different concertrations, however, the fluctuant range of 1,8-octanedithiol is larger than that of octanethiol. The rate constants of other alkanethiol(n=12,14,16,18) are measured and tunneling parameter (β) is determined from these data","PeriodicalId":6408,"journal":{"name":"2009 International Conference on Environmental Science and Information Application Technology","volume":"17 1","pages":"1248-1253"},"PeriodicalIF":0.0000,"publicationDate":"2011-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A study of adsorption kinetics of alkanethiol and alkanedithiol on gold using cyclic voltammetry\",\"authors\":\"Hui He, Yan Xie, Yaqing Jiang\",\"doi\":\"10.1109/ICIST.2011.5765067\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A study of the adsorption kinetics of 1-octanethiol and 1,8-octanedithiol has been carried out on gold electrode by cyclic voltammetry with different concentrations. Analysis of the kinetic data show that the adsorption kinetics of 1-octanethiol and 1,8-octanedithiol can be satisfactorily described by Diffusion controlled Langmuir(DCL) model, irrespective of concentration. The rate constants of 1-octanethiol and 1,8-octanedithiol are almost invariable at different concertrations, however, the fluctuant range of 1,8-octanedithiol is larger than that of octanethiol. The rate constants of other alkanethiol(n=12,14,16,18) are measured and tunneling parameter (β) is determined from these data\",\"PeriodicalId\":6408,\"journal\":{\"name\":\"2009 International Conference on Environmental Science and Information Application Technology\",\"volume\":\"17 1\",\"pages\":\"1248-1253\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2011-03-26\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2009 International Conference on Environmental Science and Information Application Technology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICIST.2011.5765067\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2009 International Conference on Environmental Science and Information Application Technology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICIST.2011.5765067","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A study of adsorption kinetics of alkanethiol and alkanedithiol on gold using cyclic voltammetry
A study of the adsorption kinetics of 1-octanethiol and 1,8-octanedithiol has been carried out on gold electrode by cyclic voltammetry with different concentrations. Analysis of the kinetic data show that the adsorption kinetics of 1-octanethiol and 1,8-octanedithiol can be satisfactorily described by Diffusion controlled Langmuir(DCL) model, irrespective of concentration. The rate constants of 1-octanethiol and 1,8-octanedithiol are almost invariable at different concertrations, however, the fluctuant range of 1,8-octanedithiol is larger than that of octanethiol. The rate constants of other alkanethiol(n=12,14,16,18) are measured and tunneling parameter (β) is determined from these data
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