Abstract
In this paper, Novel 3D Cu0.45Mn0.55O2 nanoarchitectures self-assembled by interconnecting densely stacked nanosheets have been successfully synthesized by facile hydrothermal growth method. The crystalline phase, morphology, particle size and component of the as-prepared nanomaterial were characterized by X-ray diffraction, field-emission scanning electron microscopy (FESEM) with energy-dispersive X-ray spectroscopy and Raman spectroscopy. FESEM analysis shows that the size of 3D Cu0.45Mn0.55O2 nanostructures is in the range of 1–1.5 μm, and the thickness of interconnected nanosheets is about 45 nm on the average. The structural features of as-synthesized Cu0.45Mn0.55O2 nanostructures are studied to analyze the near-neighbor environment of oxygen coordination around manganese and copper cations reported for the first time using Raman scattering spectroscopy. Moreover, the novel photoluminescence spectra of the as-prepared Cu0.45Mn0.55O2 nanostructures are reported exhibiting prominent emission bands located in red-violet spectral region.
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Acknowledgments
We appreciate the financial supports of National Key Scientific Instruments and Equipment Development Special Fund (2011YQ14014506 and 2011YQ14014507), the Oriented Award Foundation for Science and Technological Innovation, Inner Mongolia Autonomous Region, China (2012), University of Science and technology Beijing (fundamental development fund and Chinese government scholarship program) and the fundamental Research Funds for the Central Universities: FRF-BR-09-007A.
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Toufiq, A.M., Wang, F., Javed, Qua. et al. Hydrothermal synthesis of 3D Cu0.45Mn0.55O2 nanostructures; lattice vibrations and novel photoluminescence properties. Appl. Phys. A 115, 1133–1137 (2014). https://doi.org/10.1007/s00339-014-8365-8
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DOI: https://doi.org/10.1007/s00339-014-8365-8