Syntheses, Characterization and Fluorescent Properties of Lanthanide-Containing Ionic Liquids [C nmim][Ln(NO 3) 4]
Gu Zhiguo, Wang Baoxiang, Pang Chunyan, Zhou Wen, Li Zaijun
Acta Chimica Sinica . 2012, (24): 2501 -2506 .  DOI: 10.6023/A12090695