Qaiser Ali Khan

6 Questions 20 Answers 0 Followers

Questions related from Qaiser Ali Khan

Raman Spectra of Graphene (only 2D peak)?

Dear Researchers: I am wondering after getting FT-Raman spectra, Ge Diode of Graphite, Graphene oxide and Graphene. All results shows only one peak (2D) around 2900-3100 cm-1 , even graphite...

04 May 2018 8,857 3 View

Effective density of states of the valence and conduction band of titanium dioxide?

Hallo: I want to know theoretical values of effective density of states of the valence and conduction band of titanium dioxide, and also the carrier concentrations., in the n-type TiO2...

06 April 2017 6,937 0 View

Alternative chemical etching for Titanium surfaces?

I want to polish my titanium surfaces to mirror finish before going for Anodization, Is there any alternative instead of HF/HNO3 and Chromic acid. I mean more friendly chemical. Thanks

27 January 2017 8,372 7 View

Mott-Schottky Plot of n-type shows negative slope like p-type Semiconductor?

I have measured and got MC plots for titanium oxide on titanium substrate. Measurements were done with different pre-polarization time galvanstatically. On some samples i have received negative...

12 January 2017 6,041 17 View

Does anyone have experience using graphene as a corrosion inhibitor?

I am doing literature survey about corrosion inhibitors used for Magnesium Alloys, So As Graphene being light weight, atomically thin , inert, wear resistant and strong , that all will be...

06 August 2015 3,887 11 View

What are the (dis)advantages of different Chemical methods of graphene oxide synthesis?

I am working on graphene oxide synthesis by hummer's method and am confused why different chemical methods are used for synthesis of graphene oxide: Staudenmaier, Hofmann,Brodie and then...

04 November 2013 8,927 16 View