Figure 3.

UV–vis absorption spectra and absorption shift of gold nanoparticles. (A) UV–vis absorption spectrum of the synthetized gold nanoparticles. (B) Shift in absorption λrps of gold nanoparticles with particle size.

López-Muñoz et al. Nanoscale Research Letters 2012 7:423   doi:10.1186/1556-276X-7-423
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