Muhammad Umair Ali

9 Questions 35 Answers 0 Followers

Questions related from Muhammad Umair Ali

Are anode and cathode materials prepared for Lithium Ion Batteries compatible with both liquid as well as solid electrolytes?

Are anode and cathode materials prepared for Lithium Ion Batteries compatible with both liquid as well as solid electrolytes? Or it is necessary to prepare anode and cathode materials separately...

04 April 2016 9,482 4 View

What are the possible effects of drop wise and direct addition of NaOH solution into ZnCl2 solution for synthesizing ZnO nanostructures ?

I am synthesizing ZnO nanostructures via co-precipitation technique using ZnCl2. Please explain me the possible effects of drop wise addition of NaOH solution into ZnCl2 solution on morphology,...

11 November 2015 1,001 19 View

What are possible reasons of decrease in intensity of SnO2 stretching mode (in FTIR spectra) by increasing content of Graphene Nanoplatelets?

I have fabricated Graphene-SnO2 nanocomposites. In FTIR spectra of prepared samples, a peak at around 658 cm-1 referring to Sn-O-Sn stretching mode is found in case of undoped SnO2 sample which...

08 August 2015 3,306 4 View

Can anybody please explain to me the effect of difference in ionic and atomic radii of dopant and host material on crystallinity and other factors?

We have synthesized undoped and Fe doped La2O3 nanostrcutures. The crystallnity of La2O3 is increased by Fe doping. We also synthesized undoped and Fe doped SnO2 nanostructures. In this case,...

11 November 2014 5,307 9 View

What are possible reasons of change in LCR measurements ?

We are using IET 7600 Plus Precision LCR meter in our lab for LCR measurements of different nanostructures (in pallet form). When we perform any measurement and repeat it within minutes, we get...

11 November 2014 6,540 8 View

Why is there a change in morphology observed in Lanthanum Oxide (La2O3) Nanostructures by Fe doping?

Undoped and Fe doped Lanthanum Oxide (La2O3) Nanostructures were synthesized in our lab via co-precipitation route. The SEM results showed mixed morphology of nanosheets and nanoparticles in case...

10 October 2014 7,108 5 View

Can anybody please explain to me the basic Chemistry of following reaction adopted for synthesis of SnO2 Nanoparticles?

I am working on Fabrication of SnO2-Graphene Nanocomposites to study their dielectric properties and for applications in supercapacitors. Being Physics student I am not good at Chemistry. I...

10 October 2014 5,133 6 View

How can I get smaller sized SnO2 nanoparticles by co-precipitation method ?

I have synthesized SnO2 nanoparticles and found the average size 14 nm using Scherrer Formula, but I want to synthesize nanoparticles of about 5 nm in size. The detail of experimental procedure is...

10 October 2014 9,608 15 View

Why is there a change in color of Cu Doped Titania solution by variation in pH value?

I am synthesizing Cu doped Titania nanoparticles by in-situ doping. I prepared the stock solution and took sample on pH-2 and pH-7 by condensation with NH4OH . The pH value of stock was 0.58 and...

07 July 2013 4,902 4 View