Onur Ozan Çilsal

4 Questions 11 Answers 0 Followers

Questions related from Onur Ozan Çilsal

Can a carbon nanotube have diameter of 500 nanometers?

I have been working on producing CNT's using a freshly designed cold walled CVD reactor. as catalyst I use iron nanoparticles. hot surface is graphite and temparature is between 500C and 700C. C...

09 March 2022 2,782 5 View

Identification / characterisation of carbon nanotubes from electron microscope pictures?

Attached I have some pictures of carbon nanotube that I produced with a coldwall CVD tank with ethanol vapour. Vacuum level was 250 pascals (not that low). Hot surface was a graphite plate around...

15 September 2021 2,419 8 View

Appropriate material for resistance heating to reach 700 Celcius degrees?

I need a very hot surface to do CVD experiments for Carbon nanotube production Hot surface is in a vacuum tank I am using a AC Transformer which gives 1,5 Volt and 500Watts. Secondary coil is...

14 May 2021 7,032 11 View

How can I heat ethanol under vacuum up to 700 C degrees without explosion?

I am planning to produce carbon nanotubes using the carbon inside the Ethanol. process is as follows: Inside the Vacuum Chamber, I will be placing 5ml liquid Ethanol. When I vacuum all the air...

17 April 2020 2,658 3 View