Synthesis and Characterization of Eu3+ + 2-thenoyltrifluoroacetone + triphenylphosphine Oxide Ternary ComplexQiuxin Shen, Liting Xu, Yiyan Jiang and Yiping ZhangE3S Web Conf., 252 (2021) 02062DOI: https://doi.org/10.1051/e3sconf/202125202062