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.
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 5,587 8 View
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 960 6 View
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 1,987 2 View
I want to select a barrier layer for impurity diffusion from the substrate. what are the parameters for good diffusion barrier. Al2O3 is reported well as a barrier layer. Can ZnO be an alternative...
10 November 2016 5,089 0 View
Kindly explain how should I Fabricate cell. What I do is 1. Taking Mo coated glass slide and protect corners using polyamide tape during spin coating of czts. 2. After spin coating polyamide tape...
08 September 2016 6,254 9 View
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 5,602 7 View
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 1,355 5 View
How can i create new material file in silvaco atlas. Help me regarding this and suggest any reference for this.
09 October 2014 5,714 2 View
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 3,433 6 View
The data is attached here. Kindly help me in finding band gap.
06 July 2014 9,992 1 View
I tried four trials of the same Copper Phosphides sample in Alkaline medium ( 0.5M KOH) with Hg/HgO reference electrode and Pt as counter electrode. I used 0.001 V/s scan rate for first three...
10 August 2024 3,629 1 View
Dear all, I am working on analyzing data from a survey on student satisfaction. The survey contains items with a 7-point Likert response format that produce 12 scales related to different areas...
05 August 2024 2,141 4 View
Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...
05 August 2024 3,783 2 View
Hello. I am working on ROS production of two systems: system A is cerium oxide and hydrogen peroxide, system B is cerium oxide nanoparticle, hydrogen peroxide and potassium bromide. I did some...
04 August 2024 5,974 3 View
I have been using paraffin, but the deposited ZnO still detach from electrode. What is the best binder to modify graphite paste electrode with ZnO nanoparticles?
03 August 2024 4,624 3 View
Following curve related to Co0.6Mn0.4Fe2O4 Magnetic nanoparticles with extra phase a-Fe2O3. I will appreciate to help me to interpretation this spectroscopy, especially the blue line.
31 July 2024 9,140 2 View
My screen printed electrode CV is given here. For Nerstean one electron reaction the delta E value should be close to 57 mV and ration of Ic/Ia should be close to 1. I did CV of my screen printed...
30 July 2024 4,671 3 View
We are working on biopolymeric hydrogels. Our system is highly viscous and sticky, and the gel formed are high in strength. We are unable to use pH electrode and pH strip. Please suggest an easy...
30 July 2024 942 2 View
Hello everyone, I am new to this characterization but watching videos on youtube I have already plotted a Nyquist plot (Z' and -Z'') and already fitted models on my material using Zsim. But now I...
29 July 2024 1,376 0 View
Here, I have used Ag/AgCl as reference electrode and 0.5M KOH.
29 July 2024 4,538 3 View