Adsorption and activation of molecular oxygen over atomic copper(I/II) site on ceria by Kang, L, Wang, B, Bing, Q, Zalibera, M, Büchel, R, Xu, R, Wang, Q, Liu, Y, Gianolio, D, Tang, CC, Gibson, EK, Danaie, M, Allen, C, Wu, K, Marlow, S, Sun, L-D, He, Q, Guan, S, Savitsky, A, Velasco-Vélez, JJ, Callison, J, Kay, CWM, Pratsinis, SE, Lubitz, W, Liu, J-Y, Wang, FR