Motilal Nehru National Institute of Technology
Question
Asked 4th Jan, 2021
What is the best method to add nanoparticles in organic solar cell simulation using silvaco software ??
i built the structure of the organic solar cell (ito-P3HT_PCPM-PEDOT_PSS-al)
then i used BEAM statement to add sunlight
so what is the best method to add nanoparticles in layers
Most recent answer
Just check if there is a provision for adding a dummy layer and modifying the library file according to nanoparticles...usually, the work function may not be the same for bulk and the nanoparticle structure for a particular material
Popular answers (1)
Ain Shams University
Dear Mahmoud Fekry ,
welcome again!
I do not know the syntax but I can give you a tip how to build your material.
You can build it either by doping after deposition or by mixing before deposition.
What is important for you is the description of the material properties such as the
doping, the carrier concentration, the mobility, the dielectric consatnt , the energy gap and the absorption coefficient. These are the required properties rather than the molecular structure.
Best wishes
6 Recommendations
All Answers (12)
Independent researcher
Dear Mahmoud Fekry,
Your solar cell structure has a problem to inject electrons or holes from electrodes due to the mismatches of work functions and organic semiconductor energy levels.
Do you mean the structure should be ITO/PEDOT:PSS/P3HT:PCBM/Al or Ag?
1 Recommendation
Ain Shams University
Dear Mahmoud Fekry ,
Hope you are well!
Why do you want to introduce a an extra nanoparticle layer?
What is failing for you is a hole transport layer but all layers are available except the hole transport layer.
Before you add a layer you have to assign a function of it and verify this function.
As for the method of addition you can use spin on techniques or you can use evaporation deposition technique in vacuum evaporators and printing. There are other methods you can find them in the literature.
Best wishes
5 Recommendations
El Shorouk Academy
i want to add nanoparticls like in this mesh
this will improve the efficiency of osc
El Shorouk Academy
thanks Xuhua Wang
yeah this is the structure of organic solar cell
i want to add nanoparticle to improve the efficiency of it
so what is the decbuild command to add nanoparticles inside layers like in this image
El Shorouk Academy
so what is the decbuild commands to add nanoparticles inside layer like in the image Abdelhalim abdelnaby Zekry
Ain Shams University
Dear Mahmoud Fekry ,
welcome again!
I do not know the syntax but I can give you a tip how to build your material.
You can build it either by doping after deposition or by mixing before deposition.
What is important for you is the description of the material properties such as the
doping, the carrier concentration, the mobility, the dielectric consatnt , the energy gap and the absorption coefficient. These are the required properties rather than the molecular structure.
Best wishes
6 Recommendations
El Shorouk Academy
Dear dr Abdelhalim abdelnaby Zekry
thank you for your response
the description of material is the important , you are right
but i want to add different shapes of nanoparticles
and each shape will give different result
as nanoparticle improve the absorption of light so it will give different result if we change the shapes of it (size , distance between them)
so each shape will have different description of material and different result
i search (how to add nanoparticle in silvaco ) it give me result in silvaco website
as this is done by using victorymesh
but i have no information about it also the website not give information about it
but it give input file start with
go victorymesh and it give error at decbuild
Ain Shams University
Dear Mahmoud Fekry ,
Mahmoud,
Yes if your material is nonhomogeneous then you have to ways to describe the material:
Through the averaging of the parameters
or by the two dimensional profiles of the parameters as you want to realize!
Best wishes
4 Recommendations
El Shorouk Academy
thank you prof Abdelhalim abdelnaby Zekry
Independent researcher
@Mahmoud Fekry,
Your nanoparticles layer should put outside the device structure to get more light into the solar cells, thereby enhancing the cell performance.
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