Synthesis of dimension-tunable ZnO nanostructures via the design of zinc hydroxide precursors |
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Authors: | Guomin Hua Lide Zhang Jun Dai Linhua Hu Songyuan Dai |
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Institution: | (1) Department of Chemical and Environmental Engineering, University of Nottingham (Malaysia Campus), Jalan Broga, 43500 Semenyih, Malaysia |
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Abstract: | A facile synthesis route is presented to achieve dimension-tunable ZnO nanostructures by the design of zinc hydroxide precursors
under the surfactant-free condition. From three types of zinc hydroxide precursors, namely, crystalline Zn(OH)(NO3)(H2O) nanobelts, amorphous zinc hydroxides microparticles and soluble Zn(OH)2-4\mathrm{Zn}(\mathrm{OH})^{2-}_{4} species, the porous ZnO nanosheets, ZnO nanoparticles and ZnO nanowires can be achieved, respectively. The porous ZnO nanosheets
exhibit large polar surface area. Thermal analysis indicates that the crystalline Zn(OH)(NO3)(H2O) nanobelts were converted to the porous ZnO nanosheets by in situ lattice reconstruction, which was attributed to the unique fibrous structure of Zn(OH)(NO3)(H2O) nanobelts. The as-prepared dimension-tunable ZnO nanostructures have potential applications in solar cells, photocatalysis,
novel chemical and biological sensors, etc. |
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