Mir Waqas Alam

7 Questions 20 Answers 0 Followers

Questions related from Mir Waqas Alam

Thermally evaporated Organic Material for Organic thin film transistor.?

Dear All I am looking for new organic semiconductor materials that are currently researched for organic thin-film transistor applications and can be thermally evaporated or spin-coated. Kindly...

09 October 2020 5,161 1 View

I am looking for a text book for the Course entitled (Physics self learning) for Masters in Physics . ?

I am looking for a textbook for the Course entitled (Physics self-learning) for a Masters in Physics. Please let me know if you have any textbook or you know any university link that have this...

22 January 2020 5,995 3 View

I need help to prepare some thin films through Sputtering System ?

Unfortunately the sputtering system in my department is down and I need to prepare some thin films of Titanium oxide , Copper oxide and tungsten oxide. if any one can collaborate in this regard...

24 January 2019 2,086 1 View

Can we use Ceramic evaporation boats for evaporating organic.inorganic materials like pentacene / TiO2?

I was using metal boats like Tungsten/Tantalum/Molybdenum for evaporating gold or any organic/inorganic materials . I checked online Ceramic evaporation boats are also available in market. any one...

26 September 2017 8,593 2 View

What are the possible ways to improve the morphology of the organic molecules?

Currently I am working on some new organic molecules and I am getting the 3D island morphology. My deposition conditions are as written below. Substrate: Silicion with thermally grown...

24 December 2014 4,584 5 View

I am getting spots/pin holes in spin coated PEDOTPSS film. Can anyone tell me how to get good PEDOTPSS film by spin coating for solar cell?

I am spin coating PEDOTPSS film on ITO substrate but getting very bad film. after few minutes of coating bright spots/pin holes start appearing pointing towards the middle. I try to change the...

06 March 2014 684 6 View

What is the possible reason, which shifts the threshold voltage towards negative in pentacene based organic thin film transistors?

The threshold voltage for pentacene based transistor is -1 volt, but after inserting a thin layer between pentacene and organic electrode, the threshold voltage is shifted towards more -Ve(-3V)...

15 October 2012 9,977 8 View