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Gold nanoparticles (AuNPs) with size in the range of 10–50nm were synthesized by γCo-60 irradiation using water soluble chitosan (WSC) as stabilizer and size enlargement by seed approach. The maximum absorption wavelength (λ max ) was measured by UV–vis spectroscopy and particle size was determined from TEM images. Results showed that value of λ max increased from 523nm (seed particles)...
We prove that the reflection spectrum (RS), which was thought to be not able to determine the crystal structure, can be used to determine the colloidal crystal's structure with a rather fast sample rate. This method shows its superiority by comparing with conventional static light scattering (SLS) method. The result greatly extended the applicability of the reflection spectrum method, which has already...
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