Nikhil Santh P P

8 Questions 14 Answers 0 Followers

Questions related from Nikhil Santh P P

Isotropic Si etching with PMMA as mask

I am trying to fabricate free standing PMMA micro structures on Silicon substrate, which requires isotropic, selective silicon etching leaving large undercut. I've tried wet etching with KOH,...

26 May 2017 3,810 3 View

FTIR of graphene nanoribbons: how to get a stronger plasmonic response?

The GNR were fabricated on Si (high resistivity)/SiO2 substrates to facilitate transmission, by using EBL and Oxygen etching. The FTIR with transmission mode on 230nm ribbon array with parallel,...

25 April 2016 6,672 5 View

How do I simulate plasmonics?

I am searching for a software or package to simulate the plasmonic characteristics of graphene nanoribbons in mid IR range. The aim is to obtain extinction spectra v/s wavenumber for graphene...

04 September 2015 215 6 View

Which beam splitter is best to use in a wide spectral range?

Hey, I need to purchase a beam splitter which is to bee used for both a laser diode (635nm) and a CO2 laser (10.6um). I have checked with different materials and those which work for long IR such...

09 February 2015 3,464 8 View

Background in Raman spectrum of GO

I did spin coating(2 steps: 500 and 800 RPM, each for 30sec) with 1mg/mL GO aq. solution on a glass substrate and the same solution was drop casted on another glass substrate. (dried on a hot...

03 July 2013 7,378 3 View

What is the relation between D, G peaks in the Raman spectrum of Graphene Oxide and the defects?

I want to analyse Raman spectrum of GO which is 1mg/mL aq. solution spin coated on a glass substrate in 3 stages (500rpm, 800rpm and 1500rpm, each for 30 seconds). I hereby attach the spectrum...

24 June 2013 3,634 10 View

How is it possible to obtain a single layer of graphene using sonication?

I have GO solution with me and I would like to obtain single layer GO by dissolving it in water, using sonication and finally spin coating. Can someone please suggest the concentration of GO in...

03 June 2013 284 4 View

How can one measure the capacitance voltage characteristics of an organic solar cell?

Is it possible to obtain the C-V plot of an organic bulk hetero junction solar cell using a precision LCR meter? What would be the equivalent circuit used here?

24 May 2012 3,856 3 View