Issac Nelson

7 Questions 6 Answers 0 Followers

Questions related from Issac Nelson

Any EPMA expertise comments on characterizing thin films under 500nm?

The film components are Copper Indium Gallium and Selenium

04 December 2019 9,699 2 View

What is the essential feature for an OLED emissive layer/electron transport layer in terms of optical absorption coeffficient?

Can anyone give me an insight into electron transport layer in terms of optical properties. I mean the desired/essential optical properties for an electron transporting layer/emission layer?

05 May 2018 4,714 1 View

We need a help in lifetime measurements alias fluorescene decay?

We have four parameters given in a text channel ,prompt, fit and decay how the lifetime can be calculated from the given information which should be the X and Y axis?

28 October 2017 220 0 View

What is the difference between direct and indirect band gap? How can one calculate from Uv-Vis or is there any characterization tool?

How can the indirect and direct band gap can be identified by practical observation using any spectroscopy techniques or any other techniques.

08 August 2017 3,085 6 View

How to the calculte the dipole moment of ground state by using the formula given below?

where S1= 164 cm-1 S2= -400 cm-1 a= 3.64 angstron h plancks constant c velocity of light Answer should be expressed in debye (D) Help needed for the calculation.

04 November 2016 6,624 1 View

How to calculate excited dipole moment using lippert mataga?

I need to know about del f precisely and how to calculate it from or how to combine dielectric constant and refractive index. from that how can we calculate excited dipole moment using lippert...

01 November 2016 4,413 4 View

What is science behind amorphous phase in XRD but highly oriented morphology in SEM?

Hi, people out there. Can you guide me in this, We obtained an amorphous phase in XRD but horizontally oriented rod-like morphology in SEM Please pour your comments on it

01 January 1970 2,331 16 View