Mohsen Mehrabi

7 Questions 9 Answers 0 Followers

Questions related from Mohsen Mehrabi

In the two dimensional materials such as graphene and phosphorus what happen for band gap, by increase the layers ?

what is the reasons of this changes?

12 December 2019 1,117 5 View

Is there a complete reference for determining the direct or indirect band gap in semiconductors?

(For example: (Li2B4O7) and other materials

10 October 2018 8,117 3 View

Is there a relationship between the peak intensity and the amount of matter in the XRD spectrum?

for example In the carbon nanotubes decorated with metal nanoparticles, can guess or calculate the approximate value of metal from the peak intensity ratio?

11 November 2017 4,141 4 View

Is there experimental method for doping carbon in nanoparticles, such as Al2o3:C??

FOR EXAMPLE CAF2:C , Al2O3:C.....

07 July 2016 6,015 3 View

What is the best and easiest method for purification of carbon nanotubes? Without changing its basic structure.

01 January 2016 7,546 0 View

We know that by reducing the size of particles in nano-materials bandgap increases what is the formula for calculate the bandgap of nanoparticles ?

E (NANO) = E (BULK) + ...........

01 January 2016 4,145 2 View

How to use the photoluminescence cerve to estimate the band gap of materials?

How to use the photoluminescence cerveto estimate the band gap of materials?

01 January 2016 9,730 2 View