[Luminescence of zinc and europium composite alpha-thiophene carboxylate].
Zinc and europium composite alpha-thiophene carboxylate with very strong red luminescence was prepared from zine oxide, europium oxide, and alpha-thiophene carboxylic acid by a rheologic phase reaction method. The thermal stability and X-ray diffraction pattern were measured. The IR, UV, excitation and emission spectra were studied. The influence of zinc ion and thiophene on luminescence intensity was discussed. In zinc and europium composite alpha-thiophene carboxylate, zinc ion can reduce the concentration quenching and effectively enhance the luminescence of Eu3+ ion, thiophene ring can increase the luminescence efficiency.
Yuan
L
L
Department of Chemistry, Wuhan University, 430072 Wuhan.
Li
J
J
Zhang
K
K
Sun
J
J
D002264:Carboxylic Acids; D002614:Chelating Agents / Q000737:chemistry; D005063:Europium / Q000737:chemistry*; D049449:Luminescence; D009942:Organometallic Compounds / Q000737:chemistry; D013053:Spectrophotometry / Q000379:methods; D013055:Spectrophotometry, Infrared; D013876:Thiophenes / Q000737:chemistry*; D015032:Zinc / Q000737:chemistry*
D002264:Carboxylic Acids; D002614:Chelating Agents; D009942:Organometallic Compounds; D013876:Thiophenes; C550746:2-thiophene carboxylic acid; D005063:Europium; D015032:Zinc