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Article Simulation of hetero-junction (GaInP/GaAs) solar cell using AMPS-1D

Dear Afsana Rifat ,

Any semicondcutor material can not be simulated in SCAPS-ID since it is a device simulator not a material simulator.

However, if you want to study its behavior as a semicondcutor you can supply it by two metallic contacts which must behave ohmic.

Then you can calculate it dark I-V curve and its illuminated I-V curve and its spectral response as Iph (lambda)

This can be done only if the material parameters are described in the simulator.

Best wishes

Dear Afsana Rifat ,

As mentioned by Prof. Abdelhalim abdelnaby Zekry sir, the scaps is not a material simulator, it basically gives you the results based on some numerical solutions. If you want to go for simulation based on heterojunction/ homojunction for any material, the parameters including Bandgap, electron affinity, Defects, recombination coefficients etc should be given as input at the proper places. For the GaInP absorption file, you can look for some literature, from where it can be extracted. After extraction, extrapolate that data for AM 1.5 G spectrum. Be careful about defects, as the defects play an important role in intrinsic p-type/n-type conductivity in a material. What I am saying is in general for any material(s). Defects may be the single donor (acceptor), double donor(acceptor), or amphoteric. Place them with proper specification and level with respect to the CBM or VBM (you may refer to literature, as default it is given as 0.6 above VBM). The GaInP has a bandgap value of 1.6-1.9 eV, the electron affinity of 4.1 eV, dielectric constant of 11.8 and lattice constant of 5.65 Angstroms (not needed in Scaps).

And for metallic contacts, you may use the proper work function of metals (or for simplicity use ohmic contact) for GaInP based solar cells.

Regards,

Santu

Can anyone please suggest me any open source material simulator

Dear Romana Yousuf

Kindly specify your requirements, so that one can suggest properly. If you want to go for DFT calculation there is Quantum Espresso for you. Even you can go for molecular dynamics study using the same. Find the link for instructions and download it below.

https://www.quantum-espresso.org/download

https://www.schrodinger.com/products/quantum-espresso

Hope it will help you.

Regards,

Santu

Thank you @ Santu Mazumder sir for your kind response...

I am working on perovskite solar cells and want to find the properties of some materials which will prove efficient as HTL and ETL.

Also I want to find the defect DOS for the structure I am working on....

Regards