Fig. 2.

Time dependent normalized UV-vis spectra of gold nanoparticles. a Classical Turkevich approach (100 °C) at pH = 5. b Room temperature approach (RT) at pH = 5

Time dependent normalized UV-vis spectra of gold nanoparticles. a Classical Turkevich approach (100 °C) at pH = 5. b Room temperature approach (RT) at pH = 5