Oxygen vacancy–rich Fe2(MoO4)3 combined with MWCNTs for electrochemical sensors of fentanyl and its analogs. - Zhao, Zhidong; Qi, Xingrui; He, Yuan; Li, Nian; Lai, Huajie; Liu, Bo; Chen, Yufang; Jin, Tao (Microchimica Acta, 2024)