Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 116, Issue 39, Pages 21109-21115Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp306984c
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Funding
- National Natural Science Foundation of China [21271112, 21231005, 20921001]
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Here, we report on the synthesis of alpha-Mn2O3 complex nanostructures through heat-treatment of the precursor MnCO3 (in similar structure and size) synthesized by a biomineralization route. The phase, microstructure, and morphology of the obtained sample were characterized by X-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectrum, Raman spectrum, and scanning electron microscopy (SEM). The self-assembly mechanism of the precursor of MnCO3 is discussed. The alpha-Mn2O3 show two weak antiferromagnetic transition Neel temperatures at similar to 78.3 and similar to 15.8 K and a Curie-Weiss temperature at 48.5 K. Also, the alpha-Mn2O3 hierarchical nanostructures present superhydrophobicity with a contact angle over 150 degrees.
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