I want to learn the fundamentals of solar cells in general and perovskite solar cells in particluar. Is there any review paper or book regarding this?

05 June 2015 5,894 15 View

How can one determine the quantity of Diethyl Ether needed to recrystallize MethylAmmonium Iodide(MAI) from MAI-ethanol solution ?

Suppose, if we take 2 gm of Raw MAI (yellowish in color) in 20 ml ethanol then how much Diethyl ether should be added in solution of recrystallize all of (2 gm) MAI (white color).

02 March 2015 5,367 2 View

In the two-step synthesis of perovskite solar cells, why does the perovskite layer go off (evaporates) after removing from CH3NH3I-Isopropanol soln?

01 February 2015 6,627 6 View

What characterization technique can determine the amount (%) of doping element in thin films?

For example: We have prepared Solution of Zinc acetate in alcohol and we have added (doped) some % of silver in it and then deposited the solution in the form of a thin film on glass substrate, so...

31 December 2014 6,794 10 View

What are the basics and fundamental concepts that one should learn while doing research on perovskite solar cells?

It feels difficult to understand directly from research and review papers. I need to clear my concepts of energy level diagrams i.e physics and electronics, type of characterizations and their...

11 December 2014 4,017 2 View

How can I avoid coalescence of droplets on a glass substrate for depositing Zinc Acetate solution employing spray pyrolysis technique?

11 December 2014 8,794 2 View

Can anyone tell me how to extract data points from an XRD raw image file and plot the data in origin 8 software?

Thanks in advance.

11 December 2014 1,768 7 View

Can anybody tell me how to plot XRD data in origin software?

11 December 2014 2,513 18 View

How to interpret the data obtained after XRD analysis ?

XRD analysis of pure ZnO and Cu-doped ZnO was performed

10 November 2014 4,533 5 View

What are the possible reasons for coatings on thin films not being adhesive?

Copper doped ZnO coating is done on FTO glass substrates. Sol-gel spin coating method is used.

09 October 2014 7,610 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

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 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