Abstract

In this paper, nanostructure MnO2 was synthesized in aqueous solution, without using any templates, catalysts, and organic reagents. The as-prepared nano-MnO2 was systematically characterized by X-ray diffraction (XRD), and transmission electron microscopy (TEM) Fourier transform infrared (FT-IR) spectroscopy analysis. The catalytic decompositions of HCHO were studied at different conditions using the nano-MnO2 as catalyst. The resulting nano-MnO2 particles were found to exhibit remarkable environmental catalytic performance in catalytic decomposition of formaldehyde in aqueous solution.

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