How to know if Zinc Oxide is coated on the glass substrates?

Hello all I have prepared Zinc Oxide nanoparticles using sol gel synthesis. I tried to coat the ITO and glass substrates with the ZnO nanoparticles ( dispersed in ethanol). But I am not sure if...

08 December 2020 3,692 8 View

Which PEIE to use?

Hello all Thanks for answering my previous questions. I am making perovskite LED and intend to use PEIE on zinc oxide layer as ETL. But I am not sure what version of PEIE to us. There is the one...

08 November 2020 5,710 3 View

Zno NPs seperation?

Thanks a lot for your answers. I have one more question: after synthesizing ZnO nanoparticles , I am not able to separate from the original solution (dispersion actually). The recipe is as...

23 October 2020 9,857 8 View

How to do PBABr synthesis?

I am following this recipe for PBABr synthesis. I added HBr (48 wt % in H2O) to Methanol and PBA solution at 0 degrees celsius. But after 2 hours of stirring I am not able to see precipitates. I...

08 October 2020 6,485 4 View

ZnO and PBABr synthesis?

Hello all, I want to synthesize ZnO nanoparticles and PBABr in my lab for my LED project. I know the method, but I am not sure how can I check(even visually) that I have arrived at the correct...

27 September 2020 5,334 7 View

MoO3 RF Sputtering?

Hello all, I have to do RF sputtering for MoO3 for my LED project. But I have come across many recipes for reactive RF sputtering of MoO3 ,using Mo as a target and Oxygen as the reactive gas But...

16 September 2020 5,222 2 View

How teachers are engaging their students at the time of COVID-19?

Most of the countries are still not opened the school, college and universities because of COVID-19. It is spreading rapidly. In such situation, what are the roles playing by teachers/lecturers to...

14 July 2020 5,998 30 View

Can we define the external quantum efficiency as the (number of photons emitted/ electrons injected) for n LED device?

I have come across the definition for EQE as the number of radiative recombination events out of the total number of recombination events in the LED. But is it safe to say that EQE = number of...

07 July 2020 3,023 1 View

How to obtain corrected PL spectrum?

Hello all, I am intending to measure the PL spectra for my perovskite samples. How can we obtain a corrected PL spectra in the spectrometer, independent of the photoresponsivity of the silicon...

29 June 2020 7,298 5 View

Cordycepin therapeutic potential to combat Covid virus disease ?

28 April 2020 2,943 2 View

How to model Type 1 collagen structure for finite element analysis ?

I have started a project in which stress distribution in Type 1-collagen scaffold is to be modelled. I am thinking of using finite element analysis to model the structure and the loading...

07 February 2021 5,487 3 View

Schrodinger Desmond runs fine on one GPU, but crashes on other GPU?

Hi, We are having issues using Desmond on our workstation. Simulations run fine on one of our gpus ("Gpu0") but crash consistently on the other gpu ("gpu1" - which is also set up as the display...

01 February 2021 5,866 3 View

How can I take an electrical conductivity test from a nanofibrous scaffold?

I have a nanofiber scaffold for tissue engineering. When I did the electrical conductivity test, the ohmmeter reports a wide range of values (from 300 kOhm to 20 MOhm). I placed the scaffold...

06 January 2021 2,232 1 View

How to explain the Schrodinger equation and the wave function in simple words?

The circumstance and the life route forced me to stay away from quantum mechanics for more than twenty years. Now, I do not know my ABC in quantum mechanics. A friend with just a high school level...

10 December 2020 9,472 2 View

Is there any technique to reduce carbonate precentage in bone sample (bovine hydroxyapatite)?

Dear colleagues, I am a researcher working with bovine hydroxyapatite. I want to reduce the percentage of carbonate on the sample. Is there any suggested techniques for this? I am measured the...

19 November 2020 3,828 3 View

How can one calculate Gibbs energy and entropy in ab initio molecules dynamics?

Hello, I've been investigating a bunch of monomers which spontaneously react in water to form a polymer. I would like to know how to calculate the thermodynamics of such a system. On the surface,...

18 November 2020 5,595 3 View

Is there any software to design a bilayer for molecular dynamic simulation with schrodinger?

I want to simulate a niosome bilayer with schrodinger software (molecular dynamics), but first I have to design the proper bilayer. Does anyone know a software or simulator to design a bilayer...

05 May 2020 1,144 10 View

Can you help me understand the model that is frequently used for a scanning tunneling microscope?

I have a question concerning the numerical models that are frequently used for a scanning tunneling microscope in which three solutions of the Schrodinger equation using the potentials for the...

27 March 2020 4,677 2 View

Quantum Mechanics Question: How do we show that the operator for total spin of a system of particles commutes with operators for single-particle spin?

Consider a system of two particles. The system was prepared (e.g., by some prior measurement) to have zero total spin. Another measurement is made, either immediately after the preparation or at a...

21 February 2020 5,640 4 View

What is the best framework for measuring socio-emotional aspects in students' collaborative writing?

I would like to pursue my Phd and examine the role of diverse socio-emotional or environmental characteristics (e.g., efficacy, aptitude, anxiety, strategy, technology skills, and curriculum in...

01 February 2020 5,061 1 View