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Advanced Materials

Simple Hydrothermal Synthesis of Nanostructured and Nanorod Zn–Al Complex Oxides as Novel Nanocatalysts


  • This work has been generously supported by the National Science and Technology Board of Singapore (R-297-000-093-303) and the National University of Singapore (R-297-000-093-112).


Nanoparticles of Zn–Al complex oxides (see Figure) have been successfully synthesized in large quantities using a simple hydrothermal process without a surfactant. When these nanomaterials with high surface areas are used as the catalyst for selective reduction of NOx, they show high activity, thermal/hydrothermal stability, and high selectivity to N2. The results indicate good potential for application of these new nanomaterials as environmental catalysts.

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