Amr Attia Abuelwafa

8 Questions 10 Answers 0 Followers

Questions related from Amr Attia Abuelwafa

How to know the relationship between the mobility and Carrier concentration density in graphene?

mobility and Carrier concentration density for doping graphene

07 July 2018 7,579 2 View

How can we improve the sheets resistance of graphene?

improve the sheets resistance of graphene

04 April 2018 8,671 1 View

What is the role of metal catalysts in graphene synthesis?

Such as the Cu, Fe, Ag and Au, which are typical catalysts for graphene by CVD and Ion Beam

04 April 2018 4,983 0 View

How can we measure the Differential reflectance spectra(DRS) for the Thin film?

The optical set-up for difference reflectance spectroscopy (DRS) measurements

09 September 2017 5,620 0 View

How can I control and measure the thickness of thin films prepared by spin coating?

spin coating THICKNESS OF P3HT: PCBM

01 January 2017 2,856 8 View

How can I measure the Mobility of Electrons and Holes in organic solar cells using Mott-Gurney law?

Mott-Gurney law the space-charge limited current (SCLC) The hole mobility in the hole-only devices and the electron mobility in the electron-only devices

01 January 2017 3,418 2 View

How we can explain p-type organic leads to the upward (downward) surface band bending of n-Si (p-Si)?

p-type organic/p- Si p-type organic/n- Si

12 December 2016 8,814 0 View

What is the difference between back surface field BSF at Al/ p-Si and Al/ n-Si?

Impedance Spectroscopy has been used to analyse the back surface field BSF at Al/ p-Si and Al/ n-Si

12 December 2016 3,185 0 View