synthesis andmultifunctionalpropertiesoflignosulfonate-stabilizedgoldnanoparticles
various technicallignosulfonates(lss)wereusedasreducingandstabilizingagentsforanovelone-step synthesis ofgoldnanoparticles(ls–aunps)inaqueoussolutionatroomtemperature.asaresult,stable colloids ofls–aunpsareformedduringthereactionwiththeparticlesizebeingthefunctionofthels type. theobtainedls–aunpswerecharacterizedbyuv–vis spectrophotometry,sizedistribution(dls) and transmissionelectronmicroscopy(tem).theresultinggoldcolloidscanbeusedfordifferentpur- poses, e.g.aschemicalprobesforthepresenceofheavymetals,assignalamplifiers insurfaceenhanced raman spectroscopy(sers)oraselectrocatalystsasevidencedbypreliminarycyclicvoltammetrystudy (cv). theobtainedresultsclearlyindicatethepossibilityoflow-costproductionoflargequantitiesof colloidal gold–lignosulfonate nanoparticlesusingwastematerialsderivedfromrenewablesources.
the lasttwodecadeshavebroughtatremendousincreasein the applicationofnoblemetalnanostructuresinmany fields of science, particularlygold,owingtotheirattractiveandunique properties [1–3].
