conjugated porous polymer c3ta13334f

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1、JournalofMaterialsChemistryAViewArticleOnlinePAPERViewJournal

2、ViewIssueBoron-p-nitrogen-basedconjugatedporouspolymerswithmulti-functions†Citethis:J.Mater.Chem.A,2013,1,13878aaaabWuxueZhao,XiaodongZhuang,DongqingWu,FanZhang,*DominikGehrig,babFred´ericLaq

3、uai´andXinliangFeng*TwonovelB-p-Nbasedconjugatedporouspolymershavebeensuccessfullysynthesized.Thefullcharacterizationrevealedtheiruniquestructures,bothconsistingofalternatingp-bridgeddonorandacceptorsubunits.Theyexhibitedhighchemicalandthermalstabilitie

4、s,withaweightlossofonly5%at455Cand362C,respectively,onthebasisofthermogravimetricanalysis(TGA)(measuredataheatingrateof20Cmin1underflowingN).Theirporousstructureswereconfirmedbytransmission2electronmicroscopy(TEM)andnitrogensorptionanalyses,revealingh

5、ighsurfaceareasofuptoReceived22ndAugust2013211279mg.Thepush–pullelectronicstructureofsuchanewtypeofporouspolymerprovidedrichAccepted17thSeptember2013luminescentproperties,solvatochromicemissionandelectrochemicalactivities.Furthermore,theyshowedDOI:10.1

6、039/c3ta13334f31multifunctionsincludingeffectiveH2uptakecapacities(at1barand77K)of143cmg(1.28wt%)and31www.rsc.org/MaterialsA106cmg(0.95wt%),respectively,fluorescencesensingandcollectionoffluorideanions.IntroductionThesematerialshavemanifesteduniquephotop

7、hysicalpropertiesandelectrochemicalbehavior,andarebeingConjugatedporouspolymers(CPPs)thatconsistofhighlyrigiddevelopedaspromisingcandidatesforapplicationsinp-extendedbackbonesassociatedwithuniqueoptoelectronicorganicelectronics.Forexample,Wangetal.repor

8、tedpropertieshaveemergedasoneofthemostpromisingporousvariousB-p-N-basedsmallmoleculesaspromisingcandidatesmaterials.1–7Theintroductionofdonor/acceptor(D/A)unitsforapplicationinelectroluminescentdevices,14,22–24andhighlyintoconjugatedsystemsisanefficientst

9、rategytoincreasetheselectivesensorsforuorideanions.25Andrecently,thisgrouppolarizabilityandinduceintra-orintermolecularcharge/energydevelopedanewkindofnon-conjugatedB,N-baseddonor-transfer.6–9Thus,D–AorD-p-A-basedconjugatedmater