Synthesis, Characterization, and Relative Study on the Catalytic Activity of Zinc Oxide Nanoparticles Doped MnCO₃, –MnO₂, and –Mn₂O₃ Nanocomposites for Aerial Oxidation of Alcohols

Table 1

Catalytic oxidation of 1-phenylethanol in different calcination temperatures of the prepared catalysts.

Entry	Catalyst	(°C)	SA (m^2 g^−1)	Conv. (%)	Sp. activity (mmol·g^−1·h^−1)	TON	TOF (h^−1)	Sel. (%)
1	1% ZnOx–MnCO3	300	120.26	100.00	22.22	54.25	180.83	>99
2	1% ZnOx–MnO2	400	69.83	81.49	18.11	44.21	147.37	>99
3	1% ZnOx–Mn2O3	500	21.79	55.94	12.43	30.35	101.16	>99

Reaction conditions: 2 mmol of 1-phenylethanol, 300 mg of catalyst, oxygen with rate 20 mL/min, reaction temperature at 100°C, 10 mL of toluene, and 18 min of reaction time.