Raju Kumar

5 Questions 18 Answers 0 Followers

Questions related from Raju Kumar

What does the 3rd peak in a PL excitation spectrum mean (image attached)?

This is the case of a wide bandgap, natural silicate material (~7.7 eV). The excitation spectrum is recorded for a defect (depth from the conduction band edge is ~ 2.1 eV). Any leads will be...

05 September 2019 7,349 3 View

How to create an user defined function to fit thermal quenching equation in Origin ?

I am trying to fit a thermal quenching equation in the form of I=I0/(1+c*exp(-E/((1.38*10^(-23))*T))), to my data in origin software. I'm unable to create a function that runs and fits...

30 November 2017 3,334 9 View

How to obtain Energy Levels of a doped element (unknown) in a host material theoretically?

How to determine energy levels theoretically in a material. A wide band gap material doped with impurities. Could it be a tool to cross check the results obtained experimentally?

13 November 2017 540 3 View

In which conditions, fluorescence are seen from first excited state and second excited state (may be also from higher states) simultaneously?

Which emission is more likely to occur or will have more intensity then? How can we justify this with selection rules? Any references and comments will be highly appreciated.

11 August 2017 10,017 18 View

How does carrier transport in PEDOT:PSS happen?

Can anyone tell about transport mechanism in PEDOT:PSS?

02 March 2016 4,709 3 View