Synthesis and characterization of self-assembled manganese dioxide nanostructures and thin-film materials
Manganese dioxide (MnO2) nanostructures in the forms of thin film and powder had been prepared by two different preparative approaches. There were sol-gel and hydrothermal approaches. In the sol-gel synthesis approach, stable colloidal suspensions of MnO2 were pepared by chemical reduction of perman...
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| Main Author: | |
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| Format: | Thesis |
| Language: | English |
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Universiti Malaysia Sarawak, (UNIMAS)
2011
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| Online Access: | http://ir.unimas.my/id/eprint/13619/2/Ling%20Chian%20Ye.pdf http://ir.unimas.my/id/eprint/13619/ |
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| Summary: | Manganese dioxide (MnO2) nanostructures in the forms of thin film and powder had been prepared by two different preparative approaches. There were sol-gel and hydrothermal approaches. In the sol-gel synthesis approach, stable colloidal suspensions of MnO2 were pepared by chemical reduction of permanganate salt. Nanostructured MnO2 thin films were prepared by a self-assembly horizontal submersion process which involved spontaneous assembly of MnO2 nanoparticles in stable colloidal suspension. The films were subsequently deposited directly onto the supporting substrate (stainless steel foils or Ni-coated PET films) under controlled conditions. |
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