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Porous cobalt oxide nanowires: Notable improved gas sensing performances |
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| Authors: | MaiXia Ma ZhiYun Pan Lin Guo JingHong Li ZiYu Wu ShiHe Yang |
| Institution: | 1. School of Chemistry and Environment, Beijing University of Aeronautics and Astronautics, Beijing, 100191, China 5. Faculty of Chemistry and Material Science, Langfang Teachers College, Langfang, 065000, China 2. National Synchrotron Radiation Facility, University of Science and Technology of China, Hefei, 230026, China 3. Department of Chemistry, Beijing Key Laboratory for Microanalytical Methods and Instrumentation, Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, Beijing, 100084, China 4. Department of Chemistry, the Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China |
| Abstract: | The porous Co3O4 nanowires have been successfully synthesized via modified template method. A possible growth mechanism governing the formation of such 1D nanowires is proposed. The as-prepared products have been characterized by X-ray Powder Diffraction (XRD), Extended X-ray Absorption Fine-structure (EXAFS), High-resolution Transmission Electron Microscopy (HRTEM) and N2 adsorption/desorption analysis. Our systematic studies have revealed that the porous Co3O4 nanowires show excellent gas sensing performances, which demonstrate the potential application of the 1D nanostructured Co3O4 in the detection of the ethanol gas as a sensor material. The improved performances are owing to its large specific surface area and porous morphology. |
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