Ainin Razak

4 Questions 9 Answers 0 Followers

Questions related from Ainin Razak

Does no absorbance peak in UV-Vis indicate no formation of nanoparticles?

I synthesized gold nanoparticles by pulsed laser ablation in different ph solutions. At acids 1 and 3, it didn't show any absorbance peak whereas at pH 7 and 11 it does have absorbance peak....

18 September 2021 6,239 2 View

How to use equation of Mie theory to analyze size nanoparticle of gold nanoparticles?

I need help in understanding the Mie theory equation in order to estimate the size of gold nanoparticles. Some of the equations give FWHM to calculate it. But can we measure FWHM from uv-vis...

08 September 2021 2,964 3 View

Does SPR absorbance can be directly relate with diameter of gold nanoparticles?

Does absorbance peak in UV-Vis result can be related to the diameter of nanoparticles in SEM image? Because for UV-Vis, the absorbance peak has high intensity at 520nm and which indicates the...

02 September 2021 5,098 4 View

Why my UV-Visible peak absorbance for AuNPs are not stable?

I synthesized the gold nanoparticle in pH11 medium and left it for days in room temperature without light. But then I observe that during day 3 the peak are higher than day 2 n 1 whereas day 1 are...

17 August 2021 3,730 8 View