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1、TheSynthesisofCarbonQuantumDots(CQDs)speaker：叶江林组员：汪冬冬叶江林王长来章小同杜娟高峰魏绍娟郭亚丽潘世友刘克潘祺材料合成化学2015-1-51、Introduction2、Syntheticapproaches2.1Arcdischargemethod2.2Chemicalablation2.3Electrochemicalcarbonization2.4Laserablation2.5Microwaveirradiation2.6Hydrothermal/solvothermal2.7Templat
2、eContent3、Futuretarget1.IntroductionCarbonquantumdots(CQDs)areanewclassofquantumdotsmaterialsAdvantage:1)Lowtoxicity,2)Biocompatibility,3)Lowcost,4)Chemicalinertness,5)Fluorescenceproperties.……Ref.1YoufuWang,AiguoHu.J.Mater.Chem.C,2014,2,6921–69392ShiYingLim,WeiShenandZhiqiang
3、Gao,Chem.Soc.Rew.,2015,362-281InorganicquantumdotsCarbonquantumdotsGreatpotentialapplications2.SyntheticmethodsManymethodshavebeenproposedtoprepareCQDsduringthelastdecade,whichcanberoughlyclassifiedinto“Top-down”and“Bottom-up”approaches.Ref.YoufuWang,AiguoHu.J.Mater.Chem.C,201
4、4,2,6921–6939ArcdischargesootintroducecarboxylfunctionalgroupssuspensionCQDsRef.XuXY，RayR，GuYL，etal．JAmChemSoc，2004，126(40):12736-12737.oxidativegelelectrophoresismethodextractionArcprocessing2.1Arcdischargemethodcarbonaceousmaterialscarbonsource2.2ChemicalablationH2SO4HNO3Ref
5、.1L.Shen,L.Zhang,M.Chen,X.ChenandJ.Wang,Carbon,2013,55,343.2H.PengandJ.Travas-Sejdic,Chem.Mater.,2009,21,5563ElectrochemicalcarbonizationCQDssolutionadegassedacetonitrilesolutionwithTBAPCycledappliedpotentialPurificationprocessevaporatingtheacetonitrilefromsolutiondissolvingth
6、eremainingsolidinwaterdialyzingtheaqueoussolutionwithacelluloseestermembranebagThreeelectrodes2.3ElectrochemicalRef:[1]ZhengL,ChiY,DongY,etal.JAmChemSoc,2009,131(13):4564-4565..[2]WangYF,HuAJ.J.Mater.Chem.C,2014,2,6921CQDsExperimentalconfigurationgraphitepowdercementcarbontarg
7、etCarbonprecursorLaserAcidtreatedRef.SunYP.etal.JAmChemSoc.2006,128(24):7756-7757.2.4Laserablation2.5Microwaveirradiationcolor:transparent(l)brown(l)dark-brown(s)(indicatingtheformationofC-dots)transferredtovacuumovenandheatedadddistilledwatertoformaqueoussolutionpurifiedinace
8、ntrifugeRef.ZhuH,WangX,LiY,etal.Chem.Commun.,2009(34):5118-51
