简介:Aninvestigationonthedischargecharacteristicofadielectricbarrierdischarge(DBD)devicewascarriedoutusingbareandZnO-coatedaluminadielectriclayerinatmosphericpressureair.HighlyconductiveZnOfilmwasfirstdepositedonthealuminasurface,andthecharacteristicsofthedielectricbarrierdischargewereexaminedandcompared.ExperimentalresultshowsthatdischargebehaviorwasdefinitelyimprovedinthecaseofZnO-coateddielectricbarrierdischarge.Relevantexplanationisofferedtodescribeitsdischargephysics.
简介:Thispaperpresentstheresultsofaluminumsurfacetreatmentbydiffusecoplanarsurfacebarrierdischarge.Thegoalsaretostudytheeffectivenessoftheplasmatreatmentandthedependenceofitsefficiencyonoperationparameters,suchassample-to-electrodedistance,treatmenttimeorgasatmosphere.Threetypesofaluminummaterials(bricks,sheetsandthinfilms)weretestedtoensurethereliabilityofthetreatment.Thechangesinthesurfacepropertieswerecharacterizedbythesurfacefreeenergy,atomicforcemicroscopy,attenuatedtotalreflectanceFouriertransforminfraredspectroscopy(ATRFTIR)andX-rayphotoelectronspec-troscopy(XPS).Theinfluenceofagingeffectonthetreatmentwasalsomeasuredanddiscussed.