Figure 8From: Template Route to Chemically Engineering Cavities at Nanoscale: A Case Study of Zn(OH)2 Templatea SEM image and b XRD pattern (JCPDS Card No. 34-394) of the as-prepared CeO2 hollow structure. c PL spectrum of CeO2 shell structure obtained under an ultraviolet excitation at 310 nmBack to article page