Faisal Ali Mustafa

5 Questions 31 Answers 0 Followers

Questions related from Faisal Ali Mustafa

What the forms of the masks for fabrication solar cells for 5*5 cm2 specimen dimensions?

To preparation solar cell in laboratory we need the electrodes of aluminium material to conduct for p-type and n-type. We must put masks on n-type in certain forms to obtain a high conversion...

02 February 2020 2,973 3 View

Why heat treatment procedures change the crystalline size of the particles, and the peaks of XRD is more intensity?

Thin films of materials require in most time heat treatment process after deposition to calculate crystalline size or to disposal of the defects of the film, the peaks of the XRD is more...

04 April 2018 4,394 0 View

What the principals to improve the efficiency of silicon solar cells?

We know that the efficiency of silicon solar cell always is low compare with the improvement of the other types of solar cells.What are the conditions and treatments of prepared solar cell in...

09 September 2017 9,879 7 View

How we can convert SiC powder or grains to solid disc with 1cm diameter 1mm thickness?

I try to prepare thin film of SiC material by using pulse laser deposition in vacuum and SiC disc by using 10 ton pressure,but the operation was failed. How can I get compact disc in spite I use...

04 April 2017 8,258 13 View

Do differences exist between the thin film and powder materials XRD? What are the best methods for examination materials?

XRD is a method to know the crystalline structure. The materials which be used in substrate deposition it is important to know some parameters about material such that lattice constant...

11 November 2015 6,258 11 View