Synthesis and characterization of ZrO2/MnO2/carbon clusters nanocomposite materials |
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| Authors: | H. Matsui N. Bando S. Karuppuchamy J.-M. Jeong M. Yoshihara |
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| Affiliation: | aDepartment of Applied Chemistry, Faculty of Science and Engineering, Kinki University, 3-4-1, Kowakae, Higashiosaka, Osaka 577-8502, Japan;bInstitute of Bioscience, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia;cResearch and Development Centre, TSM Co. Ltd., Eoro-ri 625, Buksan-eup, Chilgok-kun, Gyeongsangbuk-do 718-844, South Korea |
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| Abstract: | Nano-sized ZrO2/MnO2/carbon clusters composite materials has been successfully obtained by the calcination of a Zr(acac)4/Mn(acac)3/epoxy resin complex under an oxygen atmosphere. The compositions of the resulting composite materials were determined using inductively coupled plasma (ICP) spectroscopy, elemental analysis and surface characterization by X-ray diffraction (XRD), scanning electron microscopy and transmission electron microscopy (TEM). The ultraviolet–visible (UV–VIS), X-ray photoelectron spectra (XPS) and electron spin resonance (ESR) spectra of the composites were also measured. ESR spectral examinations suggest the possibility of an electron transfer in the process of MnO2 → carbon clusters → ZrO2. The visible light-responsive oxidation–reduction ability of the calcined material was also investigated. |
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| Keywords: | Nanostructures Carbon clusters Semiconductors Chemical synthesis Electronic structure |
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