基于羧酸配體的新型金屬有機(jī)骨架化合物的合成、表征、熒光性質(zhì)及穩(wěn)定性研究.pdf

1、學(xué)位論文獨(dú)創(chuàng)性聲明本人鄭重聲明：所提交的學(xué)位論文是本人在導(dǎo)師指導(dǎo)下進(jìn)行的研究工作和取得的研究成果。本論文中除引文外，所有實(shí)驗(yàn)、數(shù)據(jù)和有關(guān)材料均是真實(shí)的。本論文中除引文和致謝的內(nèi)容外，不包含其他人或其它機(jī)構(gòu)已經(jīng)發(fā)表或撰寫過的研究成果。其他同志對本研究所做的貢獻(xiàn)均已在論文中作了聲明并表示了謝意。學(xué)位論文作者簽名：障鈕目期：卯俜。修學(xué)位論文使用授權(quán)聲明研究生在校攻讀學(xué)位期間論文工作的知識產(chǎn)權(quán)單位屬南京師范大學(xué)。學(xué)校有權(quán)保存本學(xué)位論文的電子和紙

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3、tapplicationpotentialsinvariousfieldsincludinghydrogenstorageHowever，manyMOFmaterialsaresensitivetomoisturesintheair，andarenotsuitableforpracticaluseInchaptertwoof也isthesis1，4。phenylenediaceticacid(H2PDA)andtwocommonnitr

4、ogenligand44’bipyridyl(BIPY)or14di(pyridine一4y1)benzene(DPB)wereappliedasmixedligand，andfournovelcoordinationpolymers(Cu(HPDA)ffBIPY)1(1D)，Cu(PDA)(BIPY)2(H20)2(2D)，Cu2(PDA)2(DMF)2’2H203(2D)，Zn(PDA)(DPB)4(3D)andaknownMOFZ

5、n(PDA)5wereobtained1，2，and5arewaterstable3and4areairstableTheyareallmorestablethanMOF一5whichisbasedon14benzenedicarboxylicacid(H2BDC)5isbasedonfour—coordinatedZn(II)，andisverystabletowardsH20，whichiscontrarytothecommonvi

6、ewthat6coordiantedstructuresaremorestablethan4一coordinatedstructuresWefoundthatthewaterstabilitydependsonbondstrengthandalsobondpolarityIfthebondisnotverystrong，butquitepolar，itwillbemoresusceptibletotheattackofwaterthan

7、anotSOpolarbondTheeffectsofsyntheticconditionsonthestructuresofMOFswerestudiedAnionsofmetalsaltsandsolventpolaritywerefoundtohaveinfluenceonthestructureoftheproductsThepolarityofthesolventalsocontrolsthedegreeofdeprotona

8、tionofcarboxylicacidsThemolarratiosofthemetalionstoligandswerefoundlessimportantWedemonstratedthatbyreducingsolventpolarity，addingacidandternplatemoleculesorcoordinatingmolecules，singlecrystalsorlargesizeMOFscanbeobtaine

9、dThethermalstabilitiesof14andthefluorescencepropertiesof4werestudiedThisworkisbeneficialtosynthesizingwater。stableMOFsandgrowingsinglecrystalsInchapterthreeofthisthesis，wesynthesizedthreeknownMOFs(Zn2(FMA)2(BIPY)‘nDMF6Zn

10、2(BDC)2(BIPY)DMF7Zn3(BPDC)2(BIPY)3DMF’H208usingthreerigidearboxylicacids，fumaricacid(H2FMA)，1，4_benzenedicarboxylicacid(H2BDC)and14一biphenyldicarboxylicacid(H2BPDC)，4，4’bipyridyl(BIPY)andzinc(II)nitrateTheyareall2foldint