Sreekanth J Varma

7 Questions 26 Answers 0 Followers

Questions related from Sreekanth J Varma

How can we precisely control the width of Graphene nanoribbons to a few (less than 5) rings?

Can we tune the band gap of GNRs by varying the width?

11 November 2012 3,922 5 View

What is the easiest way to synthesize p-doped and n-doped graphene?

How can we deposit these doped graphene layers on top of glass substrates?

11 November 2012 8,611 5 View

What are the advantages (and necessity of) functionalised graphene nanoribbons in FET like devices?

What kind of functionalisations are adopted for this? How GNRs can be easily functionalised?

09 September 2012 7,453 8 View

What will be the modified work function of indium tin oxide (ITO) when exposed to UV-ozone?

Is there any dependence on the exposure time? If yes, how can it be tuned? UV-ozone treatment makes the ITO surface smooth and avoids any shorts between the various layers while fabricating...

09 September 2012 9,670 9 View

What is the simplest method to get graphene in bulk quantities?

Unzipping MWNTs is easy, but the filtration process (conc. H2SO4) using a micron filter is difficult. I have tried this method and successfully prepared graphene. Due to this reason, only very...

08 August 2012 9,624 5 View

How an effusion cell works in an organic small molecule evaporation system?

What is the difference between effusion cell and sample holders in ordinary evaporators?

08 August 2012 7,462 13 View

What are the details that can be obtained from the current-voltage data of an organic LED, other than the onset-voltage?

Please explain how to calculate the parameters (if I am using Origin for plotting the I-V graph).

08 August 2012 2,010 6 View