Thank you very much for your helpful tutorial video. How is the intermediate layer considered in the simulation of a tandem solar cell? Specifically in the above video, how are layers 5 and 6 considered
That's an excellent question. You are talking about the tunnel junctions. I don't know a direct solution for this yet. One way to get around it is to use a filtered spectrum. I'd highly recommend using Silvaco TCAD simulation for tandem solar cells. I already posted another video on this.
Current matching gives optimal performance. However, it’s not easy and SCAPS oversimplifies multijunction solar cells. For more accurate simulations, I’d recommend my videos on the Silvaco TCAD simulation of single, double and triple junction solar cells.
Where Filtered Spectrum is Used: Top Cell:The top cell absorbs a portion of the incident light, leaving a "filtered" spectrum to pass through to the bottom cell. This filtered spectrum is what the bottom cell experiences, with the high-energy photons (typically the shorter wavelengths) already absorbed by the top cell.In SCAPS 1D, you set the top cell to use the full spectrum of sunlight (e.g., AM1.5G) as input. Bottom Cell:The bottom cell receives the filtered spectrum from the top cell, which means it will only absorb the light that was not absorbed by the top cell. In SCAPS 1D, this requires you to adjust the input spectrum for the bottom cell based on the absorption characteristics of the top cell.You can simulate this by using a custom or filtered spectrum for the bottom cell in the optical input settings. This spectrum is typically generated from the top cell's absorption profile. When to Use Filtered Spectrum:During Optical Simulation: When modeling the optical properties and behavior of the tandem solar cell, a filtered spectrum is crucial for accurately predicting the performance of each sub-cell.In Tandem Configuration: Whenever you are simulating a tandem structure with two or more sub-cells in SCAPS 1D, you need to use a filtered spectrum to ensure that each sub-cell's input light intensity and wavelength range are realistic.By properly setting up the filtered spectrum, you can more accurately simulate the real-world performance of tandem solar cells in SCAPS 1D, leading to better understanding and optimization of the device.
Great video ,thank you for sharing it
Thanks for watching!
Thank you for such a detailed walkthrough on topic. Your teaching style is excellent, and this video is a great resource.
You're very welcome! Much appreciated.
Great work.
Thank you! Cheers!
Sir, can you make video on how to conduct tandem perovskite-silicon solar cell simulation by using Scaps1d. Thank you.
I got a lot on my plate right now. I'll add it to my checklist though.
Thank you very much for your helpful tutorial video. How is the intermediate layer considered in the simulation of a tandem solar cell? Specifically in the above video, how are layers 5 and 6 considered
That's an excellent question. You are talking about the tunnel junctions. I don't know a direct solution for this yet. One way to get around it is to use a filtered spectrum.
I'd highly recommend using Silvaco TCAD simulation for tandem solar cells. I already posted another video on this.
Thank you, dear dr. I have a question: how can I measure QE for tandem? I know for top cell and bottom cell, but how about for tandem?
I guess this feature isn't available in SCAPS for tandem solar cells. You can perform it via Silvaco TCAD simulation.
Nice explanation, sir but i have a problem. Could you please tell how filtered spectrum is falling on bottom solar cell ?
Please post a simulation video on triple junction solar cell.
Sure. It's on my checklist.
Thanks for the video it was helpful. Can you please make a comprehensive tutorial on how to write Scripts on Scaps Sir?
Great suggestion!
Sir,is it necessary to keep current same for top and bottom cell?as they are in series connection
Current matching gives optimal performance. However, it’s not easy and SCAPS oversimplifies multijunction solar cells. For more accurate simulations, I’d recommend my videos on the Silvaco TCAD simulation of single, double and triple junction solar cells.
Sir i have a question regarding to tandem cell when and where we use filtered spectrum in tendem solar cell?
Where Filtered Spectrum is Used:
Top Cell:The top cell absorbs a portion of the incident light, leaving a "filtered" spectrum to pass through to the bottom cell. This filtered spectrum is what the bottom cell experiences, with the high-energy photons (typically the shorter wavelengths) already absorbed by the top cell.In SCAPS 1D, you set the top cell to use the full spectrum of sunlight (e.g., AM1.5G) as input.
Bottom Cell:The bottom cell receives the filtered spectrum from the top cell, which means it will only absorb the light that was not absorbed by the top cell. In SCAPS 1D, this requires you to adjust the input spectrum for the bottom cell based on the absorption characteristics of the top cell.You can simulate this by using a custom or filtered spectrum for the bottom cell in the optical input settings. This spectrum is typically generated from the top cell's absorption profile.
When to Use Filtered Spectrum:During Optical Simulation: When modeling the optical properties and behavior of the tandem solar cell, a filtered spectrum is crucial for accurately predicting the performance of each sub-cell.In Tandem Configuration: Whenever you are simulating a tandem structure with two or more sub-cells in SCAPS 1D, you need to use a filtered spectrum to ensure that each sub-cell's input light intensity and wavelength range are realistic.By properly setting up the filtered spectrum, you can more accurately simulate the real-world performance of tandem solar cells in SCAPS 1D, leading to better understanding and optimization of the device.
Good question by the way. I should have taken the filtered spectrum into account.
@@HabibAhmadGatech sir can you make video if possible, how to make filtered spectrum for bottom solar cell?
@@HabibAhmadGatech thank you ❤️
Hi, may i ask what if we want to execute triple junction, we define the third file and we have to add at characteristics part?
True but you also need to include filtered spectrum for multijunction solar cell.
Hello Doctor Saab
Hola
dear sir i am getting as command not recognised ,can you help me what to do