Tin rich SnS nanoparticles shows higher band gap compare to Stochiometric SnS (Sn:S, 1:1)why?

Tin rich SnS nanoparticles shows higher optical band gap compare to Stochiometric SnS (Sn:S, 1:1) why?

08 September 2016 4,175 1 View

What is reaction between ethanedithiol and ethlynediamine?

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.

01 February 2015 7,847 1 View

What would be the effect of initial precursor concentration on morphology of nanoparticles?

09 October 2014 2,209 3 View

How do you interpret scanning tunneling spectroscopy of ZnO thin film?

I want to interpret STS graph of ZnO thin film in the image below.

08 September 2014 5,133 1 View

Can we compare band gap obtained from optical spectra and scanning tunneling spectroscopy?

I want to compare band gap values obtained from tauc plot and scanning tunneling spectra.

08 September 2014 5,711 0 View

What is difference between Conductive atomic force microscopy and Scanning tunneling spectroscopy

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?

07 August 2014 9,928 2 View

How do you calculate the surface potential values of thin films from SKPFM (Surface kelvin probe force microscope)?

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.

06 July 2014 6,434 2 View

Do you have any advice for preparation of Nano-dots by RF sputtering?

I am planning to synthesize Nano-dots by RF sputtering of zinc oxide on glass substrate.

05 June 2014 1,505 2 View

How can I improve the efficiency of SnS based solar cells?

As efficiency of SnS solar cell is still low; theoretical efficiency is about 24%.

03 April 2014 5,567 1 View

Does deconvolution of the UV Vis spectra of SnS nanoparticles help to interpret the graph?

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...

03 April 2014 4,823 3 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View