Figure 6.

Absorbance variation with time at 400 nm for NaBH4-reduction of 4-NP with different nanoparticles. [Au]0 = 0.295 × 10−2 mg/mL, [4-NP] = 1.5 × 10−4 M, [NaBH4] = 1.5 × 10−2 M, 30°C.

Wu and Chen Nanoscale Research Letters 2012 7:317   doi:10.1186/1556-276X-7-317
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