Unniyarcha K.K

8 Questions 10 Answers 0 Followers

Questions related from Unniyarcha K.K

Synthesized cu nanoparticle solution changes again to its precursor color. why so?

I have tried to synthesize copper nanoparticles by Chemical synthesis method by using CuSO4.5H2O, Ascorbic acid, and NaBH4. The Mole ratio of taken precursors is 1:2:10 (reported in some papers)....

27 March 2023 6,021 0 View

To synthesize Al doped ZnO if AlCl3 is taken as dopant precursor, will chlorine get doped in the oxygen vacancies of ZnO?

I want to know whether Cl along with Al is also get doped in oxygen vacancies of ZnO. The ionic radius of Cl is comparable with Oxygen.

17 January 2023 9,758 2 View

I m working on stability enhancement of metal oxide which changes its phase after oxidation. Which is the best method to prov oxidative stability ?

I have synthesized metal oxide nanoparticles in such a way that it doesn't change its phase even more than 6 months ( by observation). I want to substantiate it by experiment data. That's why I...

27 September 2022 1,968 2 View

How to calculate oxidative stability of a material at room temperature?

Oxidation induction time of a material at 205 degree celcius is measured as 17.2 minutes. From this data how to predict the oxidative stability of that material at room temperature.

17 January 2022 1,807 5 View

Why Cu2O nanoparticle oxidizes to CuO?

I have synthesized Cu2O nanoparticle by chemical synthesis method. The obtained precipitate is dried and observed for 30 days. Its colour changed gradually to slight brownish black. XRD results...

23 November 2021 8,385 8 View

What are the factors which makes copper to choose a perticular oxidation state either +1 or +2?

Copper has two oxidation states +1& +2. For more stability copper choses to be in +1 state. But copper also have +2 state. What are the factors which helps copper to remain in +2 state?

16 November 2021 9,498 3 View

What are the necessary things to do with the XRD plot after plotting it?

My XRD data when plotted have some noise, baseline is not smooth and it is not on the zero of intensity axis. There are some unnecessary small peaks similar to noise I want to avoid those peaks....

23 September 2021 3,357 8 View

How to select suitable material for electron transport layer for perovskite solar cell?

If I Choose hybrid halide perovskite and inorganic hall transport layer, then is it possible to choose inorganic material for Electron transport layer? If I do so, which are the deposition methods...

01 January 1970 1,329 4 View