Table 4.

CeO₂-based hollow structure doped with noble metals with various compositions, structures, and their catalytic performances of CO catalytic oxidation.

Doped Noble Metal	Material	Synthesis Method	SBET (m2 g−1)	Catalytic Performance	Morphology	Ref.
Pd	Pd@CeO2	Template-assisted and solvothermal alcoholysis strategy	73.3	T90 = 2 °C		[92]
	h-Pd-CeO2 NCSs	Polymer-templated synthesis	59.3	T80 = 130 °C		[91]
	MnO2-Pd-CeO2	Multi-assembly method	128.0	T90 = 90 °C		[93]
Au	Au/CeO2-ZnO	Chemical reaction	32.4	T100 = 60 °C		[94]
	Au/CeO2	One-step template-free strategy	145.0	T92 = 25 °C		[95]
	Au/CeO2	Template-free method	23.9	T90 = 185 °C		[96]
	Au@CeO2	In situ redox reaction	—	T100 = 21 °C		[97]
	Au@CeO2-ZrO2	Electrostatic attraction-induced deposition method	—	T100 = 130 °C		[98]
	Au/CeO2	Hard template synthesis method	77.8	T100 = 81 °C		[3]
	Au/CeO2	Conventional solvothermal+ method auto-redox method	—	T100 = 73 °C		[99]
Pt	Ptencap/CeO2	Template-based procedure	—	—		[57]
	CeO2-Pt	Interfacial reactions	62.3	T100 = 93 °C		[100]
	Pt/CeO2	One-pot template-free solvothermal method	190.1	T100 = 155 °C		[101]
	Pt/CeO2@SiO2	Microemulsion method	146.2	T100 = 162 °C		[102]