We report on a simple and green route toward monometallic (Au or Ag) and alloyed bimetallic AuAg nanoparticles using citric acid-derived carbon nanodots (C-dots) as the reducing and stabilizing agent. Simple variation in the initial C-dot:metal ratio yields a smoothly tunable surface plasmon resonance and the resulting nanomaterials show excellent catalytic activity for 4-nitrophenol reduction which is fully preserved following 5 months of storage. The Au@C-dot catalyst further demonstrated intrinsic peroxidase activity.
CITATION STYLE
Essner, J. B., Laber, C. H., & Baker, G. A. (2015). Carbon dot reduced bimetallic nanoparticles: Size and surface plasmon resonance tunability for enhanced catalytic applications. Journal of Materials Chemistry A, 3(31), 16354–16360. https://doi.org/10.1039/c5ta02949j
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