22 Questions 17 Answers 0 Followers
Questions related from Chetan Singh
Tin rich SnS nanoparticles shows higher optical band gap compare to Stochiometric SnS (Sn:S, 1:1) why?
09 September 2016 4,220 1 View
mixture of ethanedithiol and ethlynediamine acts as a solvent for inorganic semiconductors. I just want to know to what is mechanism behind this solvent action.
02 February 2015 7,904 1 View
I got change in morphology from nano platelets to flower to aggregates as initial precursor concentration is changed from low to high. So what would be the reason behind it?
10 October 2014 2,257 3 View
I want to interpret STS graph of ZnO thin film in the image below.
09 September 2014 5,185 1 View
I want to compare band gap values obtained from tauc plot and scanning tunneling spectra.
09 September 2014 5,759 0 View
IN Both Conductive atomic force microscopy and Scanning tunneling spectroscopy technique I-V curve are detected. I want to know what is difference between them?
08 August 2014 9,985 2 View
I want to calculate surface potential of ZnO films grown on Glass substrate from SKPFM. I took a image in SKPFM mode with Pt-ir probe in AFM.
07 July 2014 6,478 2 View
I am planning to synthesize Nano-dots by RF sputtering of zinc oxide on glass substrate.
06 June 2014 1,552 2 View
I have done deconvolution of the UV Vis spectra of SnS nanoparticles dispersed in water. The UV Vis spectra contains a continuous decreased graph from lower wavelength to higher wavelength. So...
04 April 2014 4,872 3 View
I am getting continuous decreasing spectra in the UV Visible region.
04 April 2014 8,390 4 View
As efficiency of SnS solar cell is still low; theoretical efficiency is about 24%.
04 April 2014 5,618 1 View
Tin vacancies generate p type conduction in tin monosulfide. How?
03 March 2014 1,160 2 View
A copper sulphide particle dispersed in water is showing a percentage absorption that is greater than one. What is the significance?
03 March 2014 4,910 1 View
I have dispersed particles in water and taken absorption data. I want to calculate band gap and for that I need absorption coefficient.
03 March 2014 7,835 4 View
I got tin sulphide nanoflower by chemical methods and I need the how they are growing.
03 March 2014 8,926 0 View
Tin sulphide nanoparticles showing optical absorption at the 900nm and 1100nm but in the photoluminescence instrument it is not showing any emission why?
03 March 2014 6,708 3 View
I want to calculate refractive index as function of wavelength, so which equation can I choose?
02 February 2014 6,750 2 View
I have Ψ (amplitude ratio) and Δ (change in phase) data as function of wavelength. I want to analyze optical properties of films.
01 January 2014 5,640 4 View
Precursors are tin chloride and thioacetamide and TEA as complexing agent
01 January 2014 3,386 1 View
Regarding tin monosulfide by chemical bath deposition.
01 January 2014 3,898 4 View
Chemical bath deposition can form SnS, SnS2 ans Sn2S3 compounds.
01 January 2014 3,181 5 View
In XRD only 002 and 103 are coming
10 October 2013 2,543 0 View