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

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

Why i am getting a continuous decreasing graph from lower wavelength (300nm) to higher wavelength (1000nm) in UV-VIS spectra?

I am getting continuous decreasing spectra in the UV Visible region.

03 April 2014 8,345 4 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein?

Hi In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein? I got this error in the add-ion stage: Fatal error "./ amber99sb-ildn-HHH.ff / force...

01 March 2021 8,747 4 View

SEM or Multiple Regression for an analysis without Latent Variables?

Hello, I have three hypothesis to test, all with the same IV. I am testing if the effect of the IV on the first DV is mediated by awe. I am then measuring whether the effect of the IV on a...

26 February 2021 8,399 5 View

Why initial concentration of Pb not the same as calculated one when testing using AAS?

I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...

26 February 2021 9,580 4 View

Can anyone help with Schistosoma identification?

Can anyone identify what kind of Schistosome species this might be? Morphological features of cercariae and adults resemble Trichobilharzia, though I am fairly new to the field of parasitology...

25 February 2021 7,760 6 View

IF troubleshooting: looking at an intracellular protein that localizes to the cell's and how to reduce increase in signal due to cell ruffles?

I am currently trying to stain for PI3KBeta in MDA-MB-231 cells. My current issue is that 1) beta stains all over the cell and 2) there is an increase in signal at the edge of the cell and this...

24 February 2021 8,582 1 View

How to search for crystal structure for material with atomic position labelled?

I am using the crystallographic open database and materials project to search for cif file but the exact structure is not mentioned or how can I deduce that the given structure and atomic position...

23 February 2021 6,723 2 View