Effects of the Crystalline Properties of Hollow Ceria Nanostructures on a CuO-CeO 2 Catalyst in CO Oxidation. - Jang, Se-Jin; Lee, Hyeonkyeong; Kim, Jiyull; Kim, Na-Yeon; Choi, Dong-Seop; Joo, Ji Bong (Materials (1996-1944), 2022)