Syntheses, characteristics, and fluorescence properties of complexes of europium with benzoic acid and its derivatives-中国Betway体育网页登陆

摘要 Thebinarycomplexesofeuropiumwithbenzoicacidanditsderivatives(phthalicacid,m-phthalicacid,o-aminobenzoicacid,salicylicacid,andsulfosalicylicacid)weresynthesizedandtheircompositionswereidentifiedbyelementalanalyses.UVandIRofthecomplexeshavebeeninvestigated.TheUVspectraindicatedthatthecomplexes'ultravioletabsorptionweremainlytheligands'absorption.TheIRspectrashowedthattheIRspectraofcomplexesaredifferentfromthoseoffreeligands.Thefluorescencepropertiesofthemwereinvestigatedbyusingluminescencespectroscopy,theresultsshowedthatonlythreecomplexesappearasbetterluminescence,theywereEu-benzoicacid,Eu-m-phthalicacidandEu-phthalicacid,whiletheothersexhibitedtheligands'widebandemission.

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Syntheses, characteristics, and fluorescence properties of complexes of europium with benzoic acid and its derivatives

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