80电影天堂网,少妇高潮一区二区三区99,jαpαnesehd熟女熟妇伦,无码人妻精品一区二区蜜桃网站

搜索:  
Functionalized Graphene with Liquid-Iike Manner  
Functionalized Graphene with Liquid-Iike Manner
資料類型: PDF文件
關(guān)鍵詞: functionalization  graphene  liquid-iike  manner  
資料大?。?/td> 105K
所屬學(xué)科: 分子表征
來源: 第六屆亞歐研討會(huì)上處理和性能增強(qiáng)聚合物會(huì)議文集(2013.6.2-6 武漢)
簡介:
Graphenehasattractedtremendousattentionsfromworldwideresearchersbyvirtueofitsuniquecarriertransportproperties,ultra-highspecificsurfacearea9remarkableelectricalandthermalconductivity,aswellasoutstandingmechanicalstrengthcl‘2].However,wideexploitationoftheseexcitingpropertieschieflyreliesonmaterial‘sprocessabilityc3].Therefore,surfacemodificationiscrucialtoachievediverseutilizationsofthismonolayernanostructure.Herein,wereportthree-stepstrategyforsynthesisofgraphenederivativewithuniqueliquid-likebehaviorinabsenceofanysolventunderroomtemperature,aswellasexcellentsolubilityinbothaqueousandorganicsolvents,whichpromisegreatpotentialforfutureapplications.Typically,Grapheneoxide(GO)waspreparedfromgraphiteflakesviasimplymodifiedHummersmethod.Then,(H0)3Si(CH2)3S03H(SIT)wascovalentlygraftedontoGOthroughthedehydrationbetweenhydroxylsofthetworeactants,andtheresultantfurtherunderwentionexchangeprocesswithC9Hl9C6H4(OCH2CH2)100(CH2)2N+(CH3)3C1-(NPEQ),atypicalflexibleorganicionsalt,toyieldthegraphenenanofluids(GF).DifferentialscanningcalorimetrictraceindicatesthattheGFtransferfromsolidtoliquidat0.7090C,ingoodcoincidenceoftheopticalobservations.ThermalgravimetricanalysisrevealsthattheproportionoforganiccontentintheGFisashighas89%,whichshouldaccountforthefavorablefluidityunderambient.Additionally,thegoodaqueoussolubilitycanbeascribedtoitsionicnature,andtheoil-solubilityshouldstemfromsurfacegraftedNPEQmolecules.Thefacilesynthesisandnovelfunctionalitiesareexpectedtopropeltheprospectiveexplorationandapplicationsofgraphene-basedmultifunctionalnanocompositesanddevicesbyfacilitatingthefabricatingprocesses.
作者: D. N. Li, X. Du, L. J. Dong, C. X. Xiong
上傳時(shí)間: 2013-06-28 14:36:51
下載次數(shù): 1
消耗積分: 2  
立即下載:
1人
1人
1人
友情提示:下載后對(duì)該資源進(jìn)行評(píng)論,即可獎(jiǎng)勵(lì)2分。
報(bào)告錯(cuò)誤:  1.下載無效  2. 資料明顯無價(jià)值  3. 資料重復(fù)存在

相關(guān)評(píng)論 共有0人發(fā)表評(píng)論 更多評(píng)論
你還沒有登錄,無法發(fā)表評(píng)論,請(qǐng)首先 登錄 注冊(cè)
免責(zé)聲明:本站部分資源由網(wǎng)友推薦,來自互聯(lián)網(wǎng),版權(quán)屬于原版權(quán)人,如果不慎侵犯到您的權(quán)利,敬請(qǐng)告知,我們會(huì)在第一時(shí)間撤除。本站中各網(wǎng)友的評(píng)論只代表其個(gè)人觀點(diǎn),不代表本站同意其觀點(diǎn)。