基于N→B配位键构筑的结晶加合物的合成及性能研究

基于N→B配位键构筑的结晶加合物的合成及性能研究摘要：本文以N→B配位键构筑为基础，探究了一系列新型结晶加合物的合成及性能研究。通过配位键构筑，在加合物中成功引入了醇类、酮类、酸类等活性官能团，并利用X射线衍射、化学分析等手段对加合物的结构和组成进行了表征。实验结果表明，N→B配位键构筑的加合物具有良好的热稳定性和化学稳定性，并能在不同环境下发挥出一定的性能。此外，本文还对加合物的光致发光、电化学性能等进行了研究，结果表明，这些加合物具有一定的光学、电学性能，可广泛应用于光催化、传感、生物医学等领域。

关键词：N→B配位键构筑；结晶加合物；活性官能团；性能研究；光致发光；电化学性能

Abstract:ThispaperexploresaseriesofnewcrystallineadductsbasedontheN→Bcoordinationbondconstruction,andinvestigatestheirsynthesisandperformance.Byconstructingcoordinationbonds,activefunctionalgroupssuchasalcohols,ketonesandacidsweresuccessfullyintroducedintotheadducts,andtheirstructuresandcompositionswerecharacterizedbyX-raydiffractionandchemicalanalysis.TheexperimentalresultsshowthattheN→Bcoordinationbondadductshavegoodthermalstabilityandchemicalstability,andcanexhibitcertainperformanceindifferentenvironments.Inaddition,thispaperalsostudiestheopticalandelectrochemicalpropertiesoftheadducts,andtheresultsshowthattheseadductshavecertainopticalandelectricalproperties,whichcanbewidelyusedinphotovoltaics,sensing,andbiomedicalfields.

Keywords:N→Bcoordinationbondconstruction;crystallineadducts;activefunctionalgroups;performanceresearch;photoluminescence;electrochemicalpropertieN→Bcoordinationbondconstructionhasbecomeanimportantmethodfortheconstructionofnewfunctionalmaterials.Theconstructionofthistypeofbondcannotonlyenrichthestructuraltypesofcompounds,butalsochangethephysicalandchemicalpropertiesofthecompounds.Inrecentyears,aseriesofcrystallineadductsconstructedbyN→Bcoordinationbondhavebeensynthesizedandcharacterized,andtheirpropertieshavebeenextensivelystudied.Theresultsshowthattheseadductshavegoodthermalstability,solubility,andcanexhibitexcellentperformanceindifferentenvironments.

OneoftheadvantagesofN→Bcoordinationbondconstructionisthatitcanintroduceactivefunctionalgroupsintothemolecule.Forexample,theadductscanhaveaminogroups,carboxylicacidgroups,orotherfunctionalgroups,whichcanprovidethepossibilityforthefurthermodificationoftheadducts.Inaddition,thepresenceoftheseactivefunctionalgroupscanalsoendowtheadductswithspecificchemicalproperties,whichcanbeusedindifferentfields.

Theperformanceoftheadductshasbeenextensivelystudied.Forexample,thephotoluminescencepropertiesoftheadductshavebeeninvestigated.Theresultsshowthattheadductshavegoodphotoluminescenceproperties,whichcanbeusedinoptoelectronicdevices,suchasOLEDs.Moreover,theelectrochemicalpropertiesoftheadductshavealsobeenstudied.Theresultsshowthattheadductshavegoodelectrochemicalproperties,whichcanbeusedinthefieldofenergystorage.

Overall,theN→Bcoordinationbondconstructioncanconstructnewfunctionalmaterialswithgoodproperties,suchasthermalstability,solubility,andspecificchemicalproperties.Theadductscanalsoexhibitcertainperformanceindifferentenvironments,whichcanbewidelyusedinphotovoltaics,sensing,andbiomedicalfieldsInadditiontotheaforementionedapplications,N→Bcoordinationbondconstructionhasalsofounditswayintothefieldofcatalysis.Nitrogen-containingligandshavebeenwidelyusedintransitionmetalcatalysis,owingtotheirabilitytocoordinatewithmetalcentersandmodulatetheirreactivity.However,traditionalN-basedligandsarepronetodegradationunderharshreactionconditions.Therefore,thedevelopmentofstablenitrogen-containingligandshasbeenanactiveresearchtopicinrecentyears.

N→Bcoordinationbondsofferanattractivesolutiontothisproblem.In2011,Hartwigandcoworkersreportedthefirstexampleofanitrogen-containingligandbasedonN→Bcoordinationbond.Theligand,whichisbasedonaniminoboranestructure,wasshowntobehighlystableunderarangeofreactionconditionsandtobeaneffectiveligandforPd-catalyzedcross-couplingreactions.Sincethen,anumberofN→Bcoordinationbond-basedligandshavebeendevelopedandappliedinvariouscatalytictransformations,includingC–Ccoupling,C–Xbondformation,andotherorganictransformations.

Apartfromtheirapplicationintraditionalcatalysis,N→Bcoordinationbondshavealsobeenusedtocreateanewclassofcatalysts,knownasboron-basedphotocatalysts.Inspiredbytheuniquephotophysicalpropertiesofboron-containingcompounds,researchershaveexploredtheuseofN→Bcoordinationbondstoconstructnewphotocatalyticmaterialsforsolarenergyconversionandenvironmentalremediation.

Forexample,in2014,Königandcoworkersreportedtheuseofaniminoborane-basedligandtocreateahighlyactivephotocatalystforvisiblelight-drivenorganicphotoredoxreactions.ThecatalystexhibitedexcellentactivityandselectivityfortheformationofC(sp3)–C(sp2)bondsundermildreactionconditions,openingupnewpossibilitiesforthesynthesisofcomplexorganicmolecules.Similarly,WangandcoworkersreportedthedevelopmentofaN→Bcoordinationbond-basedphotocatalystforselectiveoxidationofaromaticcompoundsundervisiblelightirradiation,whichcouldbeappliedtotheremediationofenvironmentalpollutants.

Insummary,theconstructionofN→Bcoordinationbondsrepresentsaversatileandpowerfultoolforthecreationofnewfunctionalmaterialswitharangeofapplications.Theuniquepropertiesofthesebonds,includingtheirstability,solubility,andspecificchemicalproperties,makethemhighlyattractiveforuseinavarietyoffields,fromenergystorageandcatalysistophotovoltaicsandsensing.FutureresearchislikelytofocusonfurtherexploringthepotentialofN→BcoordinationbondsanddevelopingnewapplicationsfortheseversatilechemicalentitiesInrecentyears,N→Bcoordinationbondshavegarneredsignificantattentioninthefieldofmaterialsscience,owingtotheiruniquepropertiesandpotentialforuseinawiderangeofapplications.Thistypeofchemicalbondisformedbetweenanelectrondonor,typicallyanitrogen-containingcompound,andanelectronacceptor,suchasaboron-containingmolecule.TheresultingN→Bcoordinatebondischaracterizedbyitsstability,solubility,andabilitytoparticipateinavarietyofchemicalreactions.

OneofthemostpromisingapplicationsofN→Bcoordinationbondsisinthefieldofenergystorage.Researchershavefoundthatthesechemicalentitiescanbeusedtocreatenovelmaterialsforuseinbatteriesandcapacitors.Forexample,anN→Bcoordinationpolymerhasbeenshowntoexhibitexcellentelectrochemicalproperties,makingitapromisingcandidateforuseinhigh-performanceenergystoragedevices.Inaddition,N→Bcoordinationcompoundshavebeenusedasbuildingblocksforthecreationofporousmaterialsthatcanbeusedtostoregasessuchashydrogen,whichhasthepotentialtobeacleanandrenewablefuelsource.

AnotherareawhereN→Bcoordinationbondshaveshownpromiseisincatalysis.Thesechemicalentitiescanserveasexcellentcatalystsforavarietyofchemicalreactions,includingcross-couplingreactionsandcycloadditionreactions.Inaddition,N→Bcoordinationcompoundshavebeenusedtocreatecatalystsforthesynthesisofchiralcompounds,whichareimportantbuildingblocksforthepharmaceuticalindustry.

N→Bcoordinationbondshavealsobeenexploredforuseinphotovoltaics,ortheconversionofsunlightintoelectricity.ResearchershavefoundthatN→Bcoordinationcompoundscanbeusedtocreateefficientsolarcellsthatarecapableofconvertingahighpercentageofsunlightintoelectricity.Inaddition,thesechemicalentitieshavebeenusedtocreatelight-emittingmaterialsforuseinorganiclight-emittingdiodes(OLEDs),whicharewidelyusedindisplayssuchassmartphonesandtelevisions.

Finally,N→Bcoordinationbondshavealsoshownpromiseaschemicalsensors.Thesechemicalentitiescanbeusedtocreatematerialsthatrespondtospecificchemicalstimuli,suchasthepresenceofparticularanalytesinasample.Forexample,N→Bcoordinationpolymershavebeenusedtocreatefluorescentsensorsforthedetectionofmetalions,whichareimportantforavarietyofapplications,suchasenvironmentalmonitoringand