基于碳纳米管-石墨烯纳米片复合膜修饰金电极同时测定邻苯二酚和对苯二酚-论文.pdf

基于碳纳米管-石墨烯纳米片复合膜修饰金电极同时测定邻苯二酚和对苯二酚-论文.pdf

ID:53744592

大小:339.06 KB

页数:7页

时间:2020-04-22

基于碳纳米管-石墨烯纳米片复合膜修饰金电极同时测定邻苯二酚和对苯二酚-论文.pdf_第1页
基于碳纳米管-石墨烯纳米片复合膜修饰金电极同时测定邻苯二酚和对苯二酚-论文.pdf_第2页
基于碳纳米管-石墨烯纳米片复合膜修饰金电极同时测定邻苯二酚和对苯二酚-论文.pdf_第3页
基于碳纳米管-石墨烯纳米片复合膜修饰金电极同时测定邻苯二酚和对苯二酚-论文.pdf_第4页
基于碳纳米管-石墨烯纳米片复合膜修饰金电极同时测定邻苯二酚和对苯二酚-论文.pdf_第5页
资源描述:

《基于碳纳米管-石墨烯纳米片复合膜修饰金电极同时测定邻苯二酚和对苯二酚-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库

1、第31卷第8期’应用化学’Vo1.31Iss.82014年8月CHINESEJ0URNAL0FAPPLIEDCHEMISTRYAug.2014SimultaneousDeterminationofCatecholandHydr0quin0neBasedonGoldElectrodeModifiedwithCarbonNanotubes—grapheneNanosheetHybridFilmsLUOQimei,WANGHuixian,LIUDengyou(ScienceCollegeofHunanAgriculturalUnivenity,Changsha410128,China

2、)AbstractAnelectrochemicalsensorforsimultaneousdeterminationofcatechol(CC)andhydroquinone(HQ)basedoncarbonnanotubes(cNTs)一graphenenanosheet(GNS)hybridfilmmodifiedgoldelectrode(GE)wasprepared.TheelectrochemicalbehaviorofCCandHQattheCNTs—GNSmodifiedGEwasinvestigatedbycyclicvoltammetry(CV).Ther

3、esultsshowedthattheeleetrocatalyticactivityofCCandHQwassignificantlyenhancedbythemodificationofCNTs.GNShybridfilms.TheelectrochemicalsensorbasedonthehybridmodifiedGEexhibitedexcellentanalyticalperformanceforCCandHQdetectionwithalowdetectionlimitof5nmol/Land4.8nmol/L(S/N=3),respectively,andaw

4、idelinearrangeof0.5~600p~mol/LforbothCCandHQ.Moreover,theCNTs—GNS/GEalsoshowedgoodselectivityandstability.Keywordscarbonnanotubes,graphene,nanosheetshybrid,catechol,hydroquinoneCLCnumber:0646Documentcode:AArticleID:10o0-0518(2014)089837DOI:10.3724/SP.J.1095.2014.3o469Catechol(CC)andhydroquin

5、one(HQ)aretwoimportantphenoliccompoundswhichhavebeenwidelyusedforthesynthesisofchemicalsinmanufacturingindustriesastheessentialrawmaterialsorbyproductsofvastchemicalindustries.However.CCandHQareextremelytoxictolivingbeingsandareresistanttobioticandabioticdegradation,whichusuallycoexistinenvi

6、ronmentalcontamination.Asaresult,thefastandefficientdeterminationofCCandHQhasbecomeanimportantissueintermsofenvironmentalmonitoring,neuroehemistryandclinicalchemistry.Severalconventionalmethodssuchasgasorliquidchromatography[’chemiluminescence[capillaryelectrophoresis[fluorescence【]havebeen,

7、,,developed.However,theseanalysismethodshavenumerousdisadvantages,includingtime—consuming,samplepretreatmentsandcomplexmanipulations.However.electrochemicalmethods。Jarepreferredovertheothermethodsduetoitsuniquecharacteristicssuchashighsensitivity,e

当前文档最多预览五页,下载文档查看全文

此文档下载收益归作者所有

当前文档最多预览五页,下载文档查看全文
温馨提示:
1. 部分包含数学公式或PPT动画的文件,查看预览时可能会显示错乱或异常,文件下载后无此问题,请放心下载。
2. 本文档由用户上传,版权归属用户,天天文库负责整理代发布。如果您对本文档版权有争议请及时联系客服。
3. 下载前请仔细阅读文档内容,确认文档内容符合您的需求后进行下载,若出现内容与标题不符可向本站投诉处理。
4. 下载文档时可能由于网络波动等原因无法下载或下载错误,付费完成后未能成功下载的用户请联系客服处理。