Can efficiency of solar cell decrease with increase in absorber layer thickness. If absorber is p type and has high donor type defect concentration?

If absorber layer material of solar cell has donor defect concentration comparable to the acceptor hole concentration, Then what will happen to the cell efficiency with increase in absorber layer...

10 November 2017 5,498 8 View

Is there any way to find conductivity or carrier concentration of a film deposited on conductive substrate?

I have deposited a thin film on conductive ITO substrate. Now i wish to find out the conductivity of deposited thin film such that conductivity of ITO does not affect the measurement...

05 June 2017 867 6 View

How to make better adhesion of indium contact on CZTS or CdS layer?

i want to make indium contact on my CZTS and CdS sample. while doing this using soldering indium forms droplet and do not sticks to the surface. How can i make it.

03 April 2017 1,881 2 View

What property of material makes it a good choice as diffusion barrier for impurity?

10 November 2016 4,984 0 View

What is the standard procedure to Fabricate czts solar cell? My fill factor is below 30% what may be the possible reasons?

08 September 2016 6,145 9 View

Why nickel is deposited before aluminum deposition in making contact on solar cell.What is the thickness ratio for nickel and Al for good contact?

why nickel is deposited before aluminum deposition in making contact on solar cell.What is the thickness ratio for nickel and aluminum for good contact?

02 March 2016 5,526 7 View

What information is obtained by Mott-Schottky Rs-Cp/Rp and Rs-Cs curve?

What are the information we can obtain and what exactly the meaning of Rs, Cs, Rp, Cp. If measurement is taken in three electrode electrochemical setup.

08 September 2015 8,302 0 View

What are the possible reasons for getting band gap more than 2eV of CZTS thin film?

I am trying to make CZTS thin film however its bandgap is coming more than 2eV.What are the possible reasons for this?I had annealed the film at 350C. 1.What are the possible phases that cause...

10 November 2014 1,274 5 View

How can I prepare a uniform thin layer of CZTS by spin coating method?

I have prepared the solution for CZTS deposition using ethanol +DI water. But after heating the coated sample at high temperature, bubble spots are coming and thus the uniformity of thin layer is...

07 August 2014 3,339 6 View

How do you find the band gap from diffuse reflectance data of CZTS thin film?

The data is attached here. Kindly help me in finding band gap.

06 July 2014 9,854 1 View

Why does blocking with my immunogenic peptide cause nuclear fluorescence in ICC?

Hi all, I am validating a polyclonal antibody raised against human ANT4, through WB and ICC. In most of my controls, the antibody shows very little off-target binding, but when I pre-incubate the...

03 March 2021 5,999 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

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 View

Help request in CST microwave?

im working now on TPV solar cells and metamaterials and i realy need our help in CST microwave i have a tpv cell simulation and i want to extract particullarly the absorbtion of only the active...

02 March 2021 2,246 2 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View