简介：Polyanilinefilmwaspreparedbyelectrochemicalmethodinanacidicsolutionofaniline.Themicromorphologyofthepolyanilinefilmwastransformedtothree-dimensionalnetworkstructureinsteadoflittleparticleswhilethedepositiontimewasextended.Thepeakwavelengthofthephotoluminescencespectrumwas491nm.Theluminousintensityincreasedwiththeextensionofdepositiontime,andsodidtheelectrochemicalactivity.

简介：答案的二种类型(ZnSO<潜水艇class=“a-plus-plus”>4,MgSO<潜水艇class=“a-plus-plus”>4)被选择在愈合的电极淀积上学习矿物质混合的影响具体裂缝的效果。四个参数(ie，重量获得的率，表面涂层，充满深度的裂缝闭合和裂缝)被测量。在裂缝的电沉积的矿物质作文被分析。学习证明有10%苍蝇灰的臼标本的愈合的效果是最糟，当没有苍蝇灰，有20%苍蝇灰的臼标本的愈合的效果比标本的好时。重量获得，表面涂层，充满深度的裂缝闭合和快克的率与增加扎根的成粒的强风炉子炉渣(GGBS)的内容减少。矿物质混合没在沉积物的作文上有影响。

简介：NitridingisemployedforthehardFeelectrodepositiontoproduceahard-facingandantiwearcoating.Itonlytakes1hforthehardFecoating,whichismuchshorterthannitridingtheFeandsteel.Theresultsshowedthatthenitridingcanincreasethemicrohardness,wearresistanceofthecoating,aswellasthebondingstrengthofthecoatingwiththesubstrate.Additionallyitcaneliminatethebrittleness,turntheinternalstressofthecoatingfromtensiontocompression.ThewearresistanceofthenitridedFecoatingis4.6timesashighasthatofCrcoating.ItissimpleandeconomictocombinehardFeelectroplatingandnitriding,whichisagoodtechnologyofthetribologicalsurfacemodification.

简介：CyclicvoltammetryandchronoamperometrywereusedtoinvestigatetheclectrochemicalbehaviorofFe(Ⅱ)andEr(Ⅲ)inaLiClO4-DMSO(dimethylsufoxide)systematPtandCuelectrodes.ExperimentalresultsindicatethatthereductionsofFe(Ⅱ)toFe(0)andEr(Ⅲ)toEr(0)wereirreversibleatPtandCuelectrodes.ThediffusioncoefficientandtheclectrontransfercoeffieientofFe(Ⅱ)ina0.01mol/LFeCl2-0.1mol/LLiClO4-DMSOsystemat303Kwere1.70×10^-10m^2/sand0.08respectively,thediffusioncoeffieientandtheelectrontransfercoefficientofEr(Ⅲ)ina0.01mol/LErCl3-0.1mol/LLiClO4-DMSOsystemat303Kwere1.47×10^-10m^2/sand0.108respectivealy.Thehomogeneous,strongadhesiveEr-FealloyfilmscontainingErof31.39%-42.12%inmassfractionwithmetalliclustrewerepreparedbypotentiostaticelectrolysisonaCuelectrodeinaErCl3-FeCl2-LiClO4-DMSOsystemat-1.75—-2.05V(vs.SCE).

简介：ThecyclicvoltammetryandpotentiostaticelectrolysiswereusedtoinvestigatethepreparingofDy-BialloyfilmsinLiCl-DMSO(dimethylsulfoxide)system.Theeffectsofseveralfactorsincludingthepotentialofdeposition,concentrationsofmainsalts,andtheconcentrationratioofDyCl3toBi(NO3)3werestudied.Dy-Bialloyfilmscontaining4.82%-80.62%(massfraction)dysprosiumwerepreparedinDyCl3-Bi(NO3)3-LiCl-DMSOsystembycontrollingthesystemcompositionanddepositionconditions.Thefilmsaregray,uniform,metalliclusterandadherefirmlytothecoppersubstratesanalyzedbySEM(scanningelectronmicroscope),EDS(X-rayenergydispersiveanalysis),andXRD(X-raydiffraction).Afterheattreatmentat718Kforlh,thealloyphaseofDy-BiwasfoundinXRDpatterns.

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简介：Inthepresentwork,verticallyalignedZnOnanorodarrayswithtunablesizearesuccessfullysynthesizedonnonseededITOglasssubstratesbyasimpleelectrodepositionmethod.Theeffectofgrowthconditionsonthephase,morphology,andorientationoftheproductsarestudiedindetailbyX-raydiffraction(XRD),scanningelectronmicroscopy(SEM),andtransmissionelectronmicroscopy(TEM).Itisobservedthattheas-preparednanostructuresexhibitapreferredorientationalongcaxis,andthesizeanddensityoftheZnOnanorodcanbecontrolledbychangingtheconcentrationofZnCl2.Fieldemissionpropertiesoftheas-synthesizedsampleswithdifferentdiametersarealsostudied,andtheresultsshowthatthenanorodarrayswithasmallerdiameterandappropriateroddensityexhibitbetteremissionproperties.TheZnOnanorodarraysshowapotentialapplicationinfieldemitters.

简介：Theaimofthisresearchistopulseco-depositnano-CeO2particlesintoNi-W-Balloycoatingsinordertoimprovethesurfaceproperties.Theinfluenceofpulsefrequencyanddutycircleondepositionrate,microhardnessandmicrostructures,andtheinfluenceofheattreatmenttemperatureonphasestructures,microhardnessandabrasivityofNi-W-B-CeO2compositecoatingswereinvestigated.Theresultsindicatedthatthepulseco-depositionofnickel,tungsten,boronandnano-CeO2particlefromthebathwhichnano-CeO2particlewassuspendedbyhighspeedmechanicalstirringledtotheNi-W-B-CeO2compositecoatings,possessingbettermicrohardnessandabrasionresistancewhenheat-treatedat400℃for1h.Themicrohardnessas-depositedwith636Hzandthedepositionratewith0.0281mm·h-1wasthehighestatpulsefrequencywith1000Hzandpulsedutycirclewith10%.Microstructuresanalysisdisplaysthatdecreasingpulsedutycycleleadstorefinementingrainstructuresandtheimprovementofmicrostructures.X-raydiffractionshowsthatthecompositecoatingas-depositedwasmainlyintheamorphousstateandpartiallycrystallized,butwhenheattreatedat400℃,thecrystallizationtrendwasstrengthenedfurther.

简介：Reducingthemanufacturingcostofsolarcellsisnecessarytotheirindustrialproduction.Electrodepositingisaneffective,non-vacuummethodwhichisverysuitableforcuttingthemanufacturingcostofthinfilmsaswellasdevelopingitslarge-scaleindustrialproduction.Inthisstudy,about1-μm-thickCu(In,Ga)Se_2(CIGS)precursorswereelectrodepositedonMo/glasssubstratesinaqueoussolutionutilizingathree-electrodepotentiostaticsystem.Triethanolaminewasusedascomplexingagent,andallparametersofelectrodepositionwerepreciselycontrolled.Afterthat,theelectrodepositedprecursorswereselenizedinaSeatmospherewithdifferentheatingramprates(60and600℃·min~(-1)).High-qualityCIGSfilmswereobtained,andtheircharacteristicswereinvestigatedbyX-rayfluorescence,scanningelectronmicroscopy,energydispersivespectroscopy,X-raydiffraction,Ramanspectraandnear-infrared-visible(NIR-Vis)spectra.Theresultsrevealthattherearemanydifferencesbetweenthepropertiesofthefilmsunderdifferentheatingrates.Finally,CIGSsolarcellswerefabricatedusingafastandaslowheatingrate.Themaximumefficienciesachievedforthefilmsselenizedat60and600℃-min~(-1)are3.15%and0.71%,respectively.

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