简介：Basedontheinvestigationoftheluminescenceofaseriesofrareearthorganicchelates,somerelationshipsbetweenluminescenceandthestructureofthechelateswereproposed:theintensityofsensitizedluminescenceofcentrallanthanideions(Ln3+)inarareearthorganicchelatedependson(1)thesuitabilityoftheenergygapbetweentheexcitedtripletenergyleveloftheligandsandthelowestexcitedenergylevelofLn3+ions;(2)therigidityandplanarityofthestructureofthechelatemolecule;(3)theexistenceofasuitablesecondaryligandwhichmayincreaserigidityandthestabilityofthechelatemolecule;and(4)theexistenceofasuitableπ-conjugatedsysteminthechelatemolecule.Accordingtotheaboverelationships,25novelorganicligandsweredesignedandsynthesized,andtheirlanthanidechelateswereprepared.Investigationofthephotoluminescenceforthenewchelatesshowsthatsomeofthechelatesarestronglyluminescent,andareappliedtofluoroimmunoassayfordeterminationofhumanimmunoglobulin(IgG),topreparationoffluorescentplastics,andtodeterminationofgrowthhormoneforplants.Twonovelspectroscopy-probetechniquesforstructureofcoordinationcompoundsandbiologicalmoleculeswereproposedanddevelopedbasedonvibronicspectroscopyofTb3+complexesandfluorescenceofCe3+.

简介：Thecatalyticwetairoxidation（CWAO）ofHacidandphenolwasinvestigatedinthepresenceofCuorFedopedCeO2solidsolutions,whichwereobtainedbysol-gelmethod.TheexperimentresultsshowedthattheincorporationofCuorFeintothefluoritelatticeofCeO2stronglyenhancedtheoxidationactivityofthecatalyst.At90℃and0.1MPa,Hacidconversionwas70%fortheCe0.9Fe0.1O2-δand60%fortheCe0.9Cu0.1O2-δcatalyst.Forphenolremoval,theconversionwas70%fortheCe0.9Cu0.1O2-δcatalyst,whilefortheCe0.9Fe0.1O2-δtheconversionwas30%.TheresultsindicatedthatCe0.9Cu0.1O2-δwassuitableforthetreatmentoforganicwastewaterswhileCe0.9Fe0.1O2-δwassuitablefortheremovalofHacid.The70%phenolremovalratewithCe0.9Cu0.1O2-δcatalystwasmarkedlyincreasedto90%withCe0.8Cu0.2O2-δcatalyst.However,thephenolremovalreducedfrom30%to15%withFecontentincreasingfrom10%to20%.FortheHacid,theincreaseofthecontentofCuorFetendedtoobviouslyincreasetheoriginalreactionratewhiletheCODremovalchangedlittle.

简介：Organicsubstancesuchassolventandresin'seffectonluminescentcapabilityofSrAl2O4:Eu2+,Dy3+phosphorwasstudied.Someorganicsolventsandresinswereselectedforexperimentation.TheresultsindicatethatthoseorganicsolventswillnothavenegativeeffectontheappliedcapabilityofSrAl2O4:Eu2+,Dy3+phosphor.Adoptingtheorganicresinsandcoveringmethod,theafterglowluminanceofSrAl2O4:Eu2+,Dy3+phosphorwasincreasedby85.01%and82.51%.