金属有机框架的应用-高能材料的储存和转移

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1、DOI:10.1002/chem.201402783Communication&ExplosivesANewStrategyforStorageandTransportationofSensitiveHigh- EnergyMaterials:Guest-DependentEnergyandSensitivityof3D Metal–Organic-Framework-BasedEnergeticCompoundsShengZhang,[a]XiangyuLiu,[a,b]QiYang,[a]Zhiyo

2、ngSu,[a]WenjuanGao,[a]QingWei,[a] GangXie,[a]SanpingChen,*[a]andShengliGao[a]highenergyarestillobvious.[11a,b]Comparedwith1Dand2DAbstract:ReactionofCo(II)withthenitrogen-richligandstructures,3DMOFspossessmorecomplicatedframeworks,N,N-bis(1H-tetrazole-5-y

3、l)-amine(H2bta)leadstoamixed-valence,3D,porous,metal–organicframework(MOF)-based,energeticmaterialwiththenitrogencontentofwhichcouldfurtherenhancestructuralreinforcement,thusim-provethestabilityandenergeticproperty.[11c]Recently,Pangetal.[11c]reportedtwo

4、3Dhigh-energeticmetal–organicframe-51.78%,[Co9(bta)10(Hbta)2(H2O)10]n·(22H2O)n(1).Compound1wasthermohydratedtoproduceanew,stable,energeticworkswithchannelsincorporatingnitrateanions,exhibitingsi-multaneousrequirementsofhighthermalstabilitiesandhighmateri

5、alwiththenitrogencontentof59.85%andheatofdenotationof4.537kcalcm3,[Co9(bta)10(Hbta)2(H2O)10]n(2).Sensitivitytestsshowthat2ismoresensitivitytoex-ternalstimulithan1,reflectingguest-dependentenergyheatsofdetonation.Theimpactsensitivities(ISs)ofthetwo3Dcomp

6、oundsare22.5and30J,respectively.Duetothereac-tivenitrateanionsthatexistintheframeworks,theMOF-basedenergeticmaterialswereclassifiedas“sensitive”,[12]whichisinandsensitivityof3D,MOF-based,energeticmaterials.conflictwiththelowcostandsafetyrequirementsforth

7、estor-Less-sensitive1canberegardedasamoresafeformforstorageandtransformationtosensitive2.ageandtransportationoftheenergeticmaterials.Inourpreviouswork,amoresensitive(25J)andhigher-ni-(HO)]fma(Hdatrz=3,5-diamino-1,2,4-triazole,Hfma=fumaric242trogen-conten

8、t(N=35.46%)compound,[Ni3(Hdatrz)6(fma)2-acid)waspreparedthroughdehydrationfromaninsensitiveMetal–organicframeworks(MOFs)haveattractedanextensiveinterestbecauseoftheirstablearchitecturesandpotentialap-plicationsinchemicalga