Metal-organic-frameworks-in-chromatography

JournalofChromatographyA,1348(2014)1–16ContentslistsavailableatScienceDirectJournalofChromatographyAjournalhomepage:www.elsevier.com/locate/chromaReviewMetal-organicframeworksinchromatographyKareemYusuf∗,AhmadAqel,ZeidALOthmanAdvancedMaterialsResearchChair,DepartmentofChemistry,CollegeofScience,KingSaudUniversity,P.O.Box2455,Riyadh11451,SaudiArabiaarticleinfoArticlehistory:Received17February2014Receivedinrevisedform14April2014Accepted28April2014Availableonline4May2014Keywords:Metal-organicframeworksHigh-performanceliquidchromatographyGaschromatographyCapillaryelectrochromatographyabstractMetal-organicframeworks(MOFs)emergedapproximatelytwodecadesagoandaretheyoungestclassofporousmaterials.Despitetheirshortexistence,MOFsarefindingapplicationsinavarietyoffieldsbecauseoftheiroutstandingchemicalandphysicalproperties.ThisreviewarticlefocusesontheapplicationsofMOFsinchromatography,includinghigh-performanceliquidchromatography(HPLC),gaschromatog-raphy(GC),andotherchromatographictechniques.TheuseofMOFsinchromatographyhasalreadyhadasignificantimpact;however,theutilisationofMOFsinchromatographyisstilllesscommonthanotherapplications,andthenumberofMOFmaterialsexploredinchromatographyapplicationsislimited.©2014ElsevierB.V.Allrightsreserved.Contents1.Introduction12.Structuraloverview23.Applicationsinchromatography..43.1.Gaschromatographyapplications.43.1.1.Packedcolumns...43.1.2.Open-tubecapillarycolumns.63.2.High-performanceliquidchromatographyapplications.103.3.Otherchromatographicapplications.124.Conclusions...14Acknowledgments15References151.IntroductionMetal-organicframeworks(MOFs)arecrystalline,highlyorderedframeworksystemssynthesisedviatheself-assemblingcombinationoforganicligandsandinorganicmetalsormetal-oxounits(secondarybuildingunits,SBUs)usingstrongbondstoformapermanent,porousopencrystallineframework[1,2].Theinor-ganicpartofMOFscouldbeselectedwithvariousdimensionalities,creatingchains(1D),layers(2D)andframeworks(3D)[3].Thetermcoordinationpolymers(coordinationnetworks)wa