硼原子掺杂石墨烯的制备.doc

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1、【sp】Highly-dispersedBoron-dopedGrapheneNanosheetsLoadedwithTiO2NanoparticlesforEnhancingCO2Photoreduction通过超声混合法将P25和BG复合，由于Ti-O-C键的形成将石墨烯切割成20-50nm的纳米片，用于光催化还原二氧化碳，由于BG具有一定的p型半导体特征并且具有很好的电子传导能力，而P25是n型半导体，形成的pn结促进了光生电子和空穴的分离，光催化还原二氧化碳速率为17umol/g/h，明显高于P25和P25-G。【Chem.Commun.,2014,

2、50,6637】Highly-dispersedboron-dopedgraphenenanoribbonswithenhancedconductibilityandphotocatalysis真空加热还原法制备B掺杂的石墨烯材料，性质研究表明BG有良好的导电性和光活性，微观结构为B-GNR纳米带结构，ZZ和AC边缘裸露，使得带宽可控。【Chem.Commun.,2014,50,3328】Boron-dopedgrapheneasahigh-efficiencycounterelectrodefordye-sensitizedsolarcells应用B2O3

3、和GO煅烧生成无氧的BG，应用于染料敏化电池发现其电催化活性堪比Pt电极，有望替代贵金属电极，太阳能转化效率6.73%。催化I3-还原成I-。【J.Phys.Chem.C2014,118,22412−22418】BDopedGrapheneasCatalystToImproveChargeRateofLithium−AirBattery第一性原理热力学计算证明BG能够减小0.4eV的OER反应能垒。根源：？【CM】BDopedGrapheneasanElectrochemicallySuperiorMetal-FreeCathodeMaterialAsC

4、omparedtoPtoveraCo(II)/Co(III)ElectrolyteforDye-SensitizedSolarCellBG应用于染料敏化电池。FTO-BG的构建：:Homogeneouslydispersed0.1wt%samplepowdersin2-propanolsolutionwereobtainedbyultrasonicationfor30min.TheresultantsolutionwasdepositeddirectlyontoFTO/glass(TEC-8,Pilkington)usingane-spraytechniqu

5、e.First,thesampledispersionsolutionswereloadedintoaplasticsyringeequippedwitha27-gaugestainlesssteelhypodermicneedle.Theneedlewasconnectedtoahighvoltagepowersupply(ESN-HV30).Avoltageof~8.0kVwasappliedbetweenametalorificeandtheconductingsubstrateatadistanceof5.5cm.Thefeedratewascont

6、rolledbythesyringepump(KDScientificModel220)ataconstantflowrateof150Lmin1.Theelectricfieldovercomesthesurfacetensionofthedroplets,resultingintheminimizationofnumerouschargedmists.Thesampleelectrodesweresinteredat300oCfor30minatatmospherepriortodevicefabrication.【RSCAdvance】Afacileo

7、ne-stephydrothermalsynthesisofaBdopedgraphene/rod-shapedTiO2nanocompositeithasbeendemonstratedthatboththereductionofGOandthedopingofBintographeneframeworksaswellastherodshapedrutileTiO2anchoredonBGareachievedsuccessfullyduringthehydrothermalreaction.