Nushaba Gadirova

5 Questions 7 Answers 0 Followers

Questions related from Nushaba Gadirova

I observe an absorption peak at 260 nm in pure polypropylene, but isn't it supposed to be at lower wavelengths? Is this normal?

I can't find a good source regarding the UV analysis of polypropylene. I would be happy if you could help by suggesting a useful reference.I have attached the image below

21 May 2025 4,221 3 View

Is it possible for electron polarization to occur at low frequencies (approximately 1 kHz)?

It is mentioned in the explanation of the dielectric properties of nanoparticles that all four types of polarization can occur even at low frequencies,but to what extent is the movement of the...

17 May 2025 4,052 2 View

Can the increase in nanoparticle concentration within a nanocomposite lead to a widening of the band gap?

These are cobalt ferrite nanoparticles, and in the literature, their band gap is reported to be around 2 eV, meaning they are semiconductors.Also when I calculate the band gap of the composite...

17 May 2025 1,398 3 View

How can I dissolve cobalt ferrite and nickel nanoparticles in toluene?

I am preparing a composite of NiFe₂O₄ and CoFe₂O₄ nanoparticles with polypropylene (PP). For this, I dissolve PP in toluene and then add my nanopowders. However, CoFe₂O₄ sticks to the container...

06 March 2025 9,791 3 View

Can the crystalline structure of nanoparticles change when the washing solvent is altered?

When I synthesized nickel ferrite nanoparticles using the same method and washed them only with ethanol multiple times, they exhibited a crystalline structure. However, when I synthesized them...

02 March 2025 9,494 8 View