A Comparison Reduction of 4-Nitrophenol by Gold Nanospheres and Gold Nanostars
AbstractIn order to investigate structure-property relationships, the catalytic properties of gold nanoparticles were evaluated in the reduction of 4-nitrophenol by NaBH4. Using catalyst suspensions with identical amounts of gold, the following key results were obtained: first, the nanostars showed increased activity as compared to spherical gold nanoparticles; second, larger gold nanostars showed higher activity, likely because of the abundance of flat/spiky features on these particles, which show high metal utilization; third, treatment of the nanostar colloid with cucurbituril can be used to balance catalyst stability and activity; fourth, as expected from the decreasing surface atom fraction, the specific activity of the spherical nanoparticles decreased with increasing particle size. View Full-Text
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Ma, T.; Yang, W.; Liu, S.; Zhang, H.; Liang, F. A Comparison Reduction of 4-Nitrophenol by Gold Nanospheres and Gold Nanostars. Catalysts 2017, 7, 38.
Ma T, Yang W, Liu S, Zhang H, Liang F. A Comparison Reduction of 4-Nitrophenol by Gold Nanospheres and Gold Nanostars. Catalysts. 2017; 7(2):38.Chicago/Turabian Style
Ma, Tao; Yang, Wenshuo; Liu, Simin; Zhang, Haijun; Liang, Feng. 2017. "A Comparison Reduction of 4-Nitrophenol by Gold Nanospheres and Gold Nanostars." Catalysts 7, no. 2: 38.
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