酰胺及羧酸型开链配体及其稀土配合物的研究

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1、兰州大学硕士学位论文酰胺及羧酸型开链配体及其稀土配合物的研究姓名：李海刚申请学位级别：硕士专业：化学、无机化学指导教师：唐瑜20100501兰州人学硕．J：毕业论文李海刚AbstractSincethelastcentury，theluminescenceofrareearthfunctionalcomplexeshavereceivednumerousattentionduetotheirextensiveapplicationsindifferenthightechnologysuchasluminescen

2、tthinfilms，lasers，rareearthorganicfluorescentmaterials，organiclight-emittingdiodes，fluorescenceimmunoassay,luminescentchemicalprobesandsensorscta1．Inthispaperninepodandsandtheircorrespondingrareearthcomplexeshavebeenprepared．Inordertoinvestigatetheircomponent

3、sandstructures，elementalanalysis，1HNMRspectra，IRspectraandmolarconductivitymeasurementshavebeencarriedout．Theresultsinourresearchshowthatthechangesofsubstitutinggroupsinligandshavegreataffectsonthecomponentsandstructuresintheircomplexes．Thefluorescencespectra

4、ofthecomplexesinsolidstateandinsolventsatroomtempreturewereresearched，theenergylevelsofthetripletstateofthenineligandsinthecomplexeswerealsodetermined．TheexperimentalresultsshowthatthelowestexcitedenergylevelsofthetripletstateofLI、H2LⅡandH2LⅢintheirrareearthc

5、omplexesmatchgoodwiththeresonancelevelsofTb(111)；T1，tVthesixamideligandsLl⋯一LⅨpossesschromophoreofquinolineasteminalgroupsandintheirrareearthcomplexesthelowestexcitedenergylevelsofthetripletstateofligandsmatchgoodwiththeresonancelevelsofEu(1lI)；thedifferences

6、inflexibilityorconjugacybetweenterminalgourpsalsohavegreataffectonfluorescentpropertiesoftheirrareearthcomplexes；theattackabilityofpolarsolventmoleculesoffendcentrallanthanideionaredifferent，andthushavegreateffectsonfluorescentpropertiesofcomplexes．Theligands

7、designedinthispaperareshowedasbelow：【L1】bis[(2’·benzylaminoformyl)phenoxyl】methane【L111】bis(27carboxyphenoxy)methane【LJI】bis(4’．carboxyphenoxy)methane【LⅣ】2-(2．methylquinolin．8．yloxy)．N，N．diphnylacetamide【L⋯】2-(2-methylquinolin一8一yloxy)一N-benzylacetamiden兰州人学硕

8、I：毕业论文李海刚【LⅥ】2-(2．methylquinolin．8．yloxy)．N．phenylacetamide【LⅦ】2-(2．methylquinolin．8．yloxy)．N．N．diisopropylacetamide【LⅦ】2-(2．mcthylquinolin．8．yloxy)．1．(piperidin．1．y1)ethanonc【LⅨ】2-(2．met