简介:CdSthinfilmsweredepositedbytheionlayergasreaction(ILGAR)method.Structural,chemical,topographicaldevelopmentaswellasopticalandelectricalpropertiesofas-depositedandannealedthinfilmswereinvestigatedbyXRD,SEM,XPS,AFMandUV-VIS.Theresultsshowedthatthethinfilmsareuniform,compactandgoodinadhesiontothesubstrates,andthegrowthofthefilmsis2.8nm/cycle.Theevolutionofstructureundergoesfromthecubicstructuretothehexagonalonewithapreferredorientationalongthe(002)planeafterannealingat673K.AnamountofC,OandClimpuririescanbereducedbyincreasingthedryingtemperatureorbyannealinginN2atmosphere.ItwasfoundthatthebandgapoftheCdSfilmsshiftstohigherwavelengthafterannealingorincreasingfilmthickness.Theelectricalresistivitydecreaseswithincreasingannealingtemperatureandfilmthickness.
简介:ZnSnanostructureswithdifferentdimensionsandstructure-relatedpropertieswerereviewedinthispaper.Thecrystallizationofnanostructuresfrom0D,1Dto3D,aswellastheheterogonouscounterparts,wassummarizedintheaspectofzincblende,wurtzitestructure,andtheircombinations.Furthermore,thestructure-relatedenergybandsandthecorrespondingphotoelectricpropertiesofZnSnanostructureswerealsofocused,inwhichwemadeabriefsummaryoftheco-relationsbetweenphotoluminescenceandcrystallography,especiallythedefectrelatedluminescencepropertiesofZnSnanocrystal.