简介：Bydepositingdiamondlikecarbon(DLC)filmwithradiofrequencyplasmachemicalvapordeposition(RFPCVD)method,anewsurfacepassivationtechniqueforphotoluminescenceporoussilicon(PS)hasbeenstudied.ThesurfacemicrostructureandphotoelectricpropertiesofbothporoussiliconandDLCcoatedPShavebeenanalyzedbyusingAFM,FTIRandPLspectrometers.TheresultsshowtheDLCfilmwithdenseandhomogenousnanometergrainscanbedepositedonthePSusedaspassivationcoatingasitcanterminateoxidereactiononthesurfaceofthePS.Furthermore,certainratioofhydrogenexistedintheDLCfilmcanbeimprovedtoformhydridespeciesontheDLC/PSinterfaceasthecentersoftheluminescencesothattheDLCcoatingisofbenefitnotonlytothepassivationofthePSbutalsototheimprovementofitsluminescentintensity.

简介：ZnO/diamond-like碳(DLC)薄电影被搏动的激光免职(PLD)在Si(111)上扔晶片。可见房间温度光致发光(PL)被荧光分光光度计从ZnO/DLC薄电影观察。PL系列的Gaussian曲线试穿表明可见排放包含的宽带有=508nm，554nm和698nm的三个部件。起源和可见PL的可能的机制被讨论，并且他们能被归因于ZnO和DLC薄电影的PL再结合。

简介：Rod-likegoldnanoparticlescanbeformedfromHAuCl4aqueoussolutionwithultraviolet(UV)irradiationintheabsenceoftemplates,avoidingpossiblepoisonoussurfactantembeddedintothesurfaceoffunctionalgoldnanoparticlesappliedinbiomedicine.Theaspectratioofnanorodsrangesfrom1.1to4.4withtheconcentrationofHAuCl40.2mM,whichcanbeverifiedbyHRTEMimagesandtheabsorptionspectrum.Itisfoundthatthenanoclusterwithseveralatomsoccurspriortotheformationofnanorods,highlycorrespondingtoitstypicalabsorptionspectrum.TracingtheevolutioninabsorptionspectraofHAuCl4aqueoussolution,itcanbeconcludedthattheformationmechanismofgoldnanoparticlesinthisprocessisdifferentfromthatintheconventionalinductivegrowthmodel,possiblyinagrowthpatternwithimperfectorientedattachment(IOA)relevanttothecolliding-and-growing.