Francis Rey U. Cortes

5 Questions 17 Answers 0 Followers

Questions related from Francis Rey U. Cortes

How to remove ethanol from carbon dots solution to obtain just carbon dots?

I am synthesizing carbon dots with ethanol as the solvent. I tried to do oven drying but they stick on the wall of the glass vial. I tried to do air drying also but still the same. I tried to do...

22 June 2023 3,905 4 View

Can we neutralize concentrated Nitric acid with 1 M Phosphate buffer?

I am trying to neutralize nitric acid since the pH of my solution drops to zero after nitric acid treatment of my sample.

19 May 2023 6,468 3 View

Is it okay to use Carbon coated TEM grids as substrates for XPS measurement of my sample?

My sample contains carbon nanoparticles. I am having trouble finding an appropriate substrates for my nanoparticles.

24 March 2023 7,818 6 View

How to eliminate fluorescence of my sample to show the Raman signal @514 nm as wavelength excitation?

Raman Signal is really weak at wavelength such as 400 nm, 514 nm and 785 nm for my samples containing fluorescent nanoparticles. I want to know the D band and G band of carbon domains in my sample...

21 March 2023 6,577 1 View

How to remove nitric acid concentrated from the solution?

Putting nitric acid was necessary to increase the carboxylic groups on the nanoparticles surface.

04 November 2022 8,134 3 View