Parthiban Ramasamy

4 Questions 3 Answers 0 Followers

Questions related from Parthiban Ramasamy

How to remove excess organic ligands from QDs?

I am having problems in making completely dried QDs films. It always remains sticky. I think it is because of the excess organic ligands (Palmitic acid, TOP, Oleic acid). I purified the QDs by...

22 March 2017 1,899 4 View

How do I calculate the absorption coefficient (α) of nanoparticles?

I have been working on ternary and quaternary Cu based chalcogenide nanocrystals. I have measured the UV-vis-NIR absorption spectrum to calculate the band gap. From literature I came to know that...

25 March 2015 7,327 5 View

What software can I use to draw unit cell structure?

I would like to draw unit cell structures such as wurtzite and cubic. Is there any free softwares to draw unit cells. Attached image is the model which I want to draw.

20 June 2014 9,737 37 View

Can anyone help with indexing a SAED ring pattern?

I have recorded the SAED pattern of my sample. It has a ring pattern and the scale bar is 5 1/nm. Please give me information about how to index SAED pattern using reciprocal scale bar.

03 February 2014 2,779 4 View