Kindly advice me whether my PL spectra is right or wrong?

I have synthesized MAPBBr3 perovskite. I am attaching the speactra. Please give your suggestions. How to confirm whether our PL spectrum is right or wrong? Is there any instrument setting for the...

31 December 2018 7,468 10 View

How to prepare ink from copper nanoparticles?

I have prepared copper nanoparticles with different methods. But when I prepare their films after dispersing in propylene glycol, the film I get is powdery. I have tried so many times but each...

04 May 2017 5,846 5 View

What do the TEM images predict?

I have synthesized copper nanoparticles. They are brick red in color. But I dont understand why the images are not as per expectations. Can you please tell? Images are attached.

04 May 2017 4,216 4 View

How to decide the viscosity of nanoparticle ink?

I am currently developing nano-particles ink for flexible electronics. I want to know about the different dispersion media and viscosity parameters.

02 March 2017 9,445 3 View

What is the method to analyze liquid samples in X-ray photoelectron spectroscopy (XPS)?

I want to analyze my nanoparticles, which are highly dispersed in water, with the help of XPS. Please share your experience with me, if someone has knowledge of interpretation, please share it too.

09 October 2015 7,423 7 View

What should be the probable mechanism for peroxidase like activity?

I want to do the peroxidase mimic studies for my compound. I want to know tha possible mechanism. Please help if anyone is working on the same.

08 September 2015 4,062 0 View

What type of chapter you need? Any special topic?

I am interested in writing a book chapter for your book.

10 November 2014 8,321 0 View

Why do we calculate the agglomeration number of nanoparticles?

I have seen many papers in which authors have calculated agglomeration number and fermi energy level. What is the significance of calculating these?

09 October 2014 1,945 6 View

How can you make oleds?

I am working on silver nanoparticles synthesis. I want to make use of it in oleds. Please tell me how to do it. I can also collaborate.

07 August 2014 7,788 3 View

Make solution of mercury (II) iodide or chloride?

I want to make HgI2 solution but it is not soluble in water. Please suggest how to make solution.

07 August 2014 8,012 2 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

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

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 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

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View