Paramita Sarkar

9 Questions 19 Answers 0 Followers

Questions related from Paramita Sarkar

Can I refer COD (Crystallography Open Database) ID instead of ICDD PDF no. for XRD analysis?

Instead of ICDD PDF number, COD ID can be referred or not?

05 May 2019 9,417 8 View

How to decide the laser wavelength for Raman spectroscopy?

To perform Raman spectroscopy of CH3NH3PbCl3 perovskite thin film, what should be the laser wavelength?

04 April 2019 8,811 9 View

Is shifting of xrd peaks obvious during the doping? What extent of XRD peak shifting(e.g. <1 degree) is acceptable?

I have doped Sn in CH3NH3PbI3. There is shifting of peakes towards the lower value of 2Theta degree.

03 March 2019 5,955 10 View

What is the significance of triangular nano structured topographic image of the thin film?

I am attaching the AFM image of the thin film, triangular shapes can be noticed. What is significance of triangles?

03 March 2019 1,898 4 View

What are the possible reasons of photo luminescence(PL) peak shifting for CH3NH3PbCl3 prepared by different methods?

I have prepared the powder of CH3NH3PbCl3 and observed PL emission peak which is centred at 520nm. The broad emission peak has been observed between 440nm t0 580nm. But some reported works...

03 March 2019 5,373 2 View

How glass substrate can play any role in bandgap widening of CH3NH3PbCl3 films?

I have synthesized the films of CH3NH3PbCl3 onto glass substrates via one step spin coating and have obtained 3.8 eV. The achieved bandgap is 0.7 eV higher than the reported values. What might be...

07 July 2018 9,213 2 View

Is there any chemical procedure to get InI2 or GaI2? And the names of solvents in which they are soluble?

Chemical procedure to get InI2 / GaI2 (Indium(II) iodide) or gallium (II) iodide

04 April 2017 9,422 4 View

Is it okay to dry a precipitate at certain temperature for certain time which was used for its thin film counter part of the same material?

Say , Thin films of material X were annealed at 100 degree centigrade for 2 hours. Whether we can use this 100 degree centigrade for 2 hours to dry the precipitate of the same material X?

04 April 2017 8,991 4 View

Is Indium dichloride (InCl2) soluble in HCl or HI?

If InCl2 is soluble in HCl or HI, then what will be the resultant product.

04 April 2017 4,736 2 View