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

I want to model CZTS solar cell in silvaco atlas. However, the material is not available in the simulator. How can I create a new material file?

How can i create new material file in silvaco atlas. Help me regarding this and suggest any reference for this.

09 October 2014 5,566 2 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

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

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

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25 February 2021 5,713 1 View

How to prepare a thin polymer film by post-polymerization/crosslinking?

24 February 2021 2,362 5 View

Is is possible to pole with corona poling pellets of the sample material instead of thin films?

As it is highly probable that pellets will have a higher degree of air gaps and voids than thin films, is it possible to pole the samples with corona poling nevertheless? Or is there the...

24 February 2021 1,349 1 View

How to troubleshoot Electrochromic Films and Electrochromic Devices?

I am trying to characterize an electrochromic system. The system uses ITO electrodes on glass, WO3 as the electrochromic film, and NiO as the ion storage layer. When I deposit NiO and WO3 and...

23 February 2021 9,592 2 View

How to improve the adhesion between germanium and silicon monoxide thin film layers using EBEAM evaporation?

I want to deposit multilayer coating of germanium and silicon monoxide on silicon wafer using ebeam evaporation?

21 February 2021 2,141 3 View

How can I measure the thickness of thin layers deposited on textured glass susbtrates?

I want to measure the thickness of aluminum oxide and titanium oxide layers deposited on textured glass substates. The layer thicknesses are typically below 100nm.

21 February 2021 5,465 4 View

How do I calculate absorption coefficient of my thin film if I dont know the thickness? Or how can I calculate the thickness of my sample?

I have done Uv-vis characterisation of my thin film and have received absorbance and transmittance data. Now I want to calculate the absorption coefficient but I dont know the thickness of my...

21 February 2021 7,148 8 View

How to construct different filler shape in MD simulations?

Is there any way to construct different initial filler shapes like triangle, square, rectangle, pillar, and tube in any simulation software.

20 February 2021 1,750 1 View