20.15% Efficiency: In2S3 Perovskite Solar Cell

• Discover how an international team successfully designed a highly-efficient perovskite solar cell with an ETL made of indium sulfide (In2S3). Read the article to find out more.

An international team of researchers has designed a perovskite solar cell with an electron transport layer (ETL) made of indium sulfide (In2S3), which has achieved a power conversion efficiency of 20.15%. The design included a substrate made of fluorine-doped tin oxide (FTO), In2S3 ETL, a methylammonium lead iodide (MAPbI3) absorber, a spiro-OMeTAD hole transport layer, and a gold (Au) metal contact. The simulation tool used was SCAPS-1D solar cell capacitance software developed by the University of Ghent in Belgium. The solar cell performed better between 20 C and 30 C, and its efficiency rapidly decreased above that temperature. This study has opened up potential applications of In2S3 for MAPbI3 perovskite solar cells.

What Is In2S3 Perovskite Solar Cell?

Additional Information About In2S3 Perovskite Solar Cells:

• In2S3 is a material that has been suggested for use as an electron transport layer in perovskite solar cells.
• The material has excellent carrier mobility, is nontoxic and has an adjustable bandgap.
• It has good thermal durability, which is necessary for a perovskite solar cell.
• The researchers used a numerical module and the SCAPS-1D solar cell capacitance software to simulate a solar cell based on methylammonium lead iodide (MAPbI3).
• The substrate used was fluorinated tin oxide (FTO), with a hole transport layer of Spiro-OMeTAD, a gold (Au) metal contact, and a 0.7μm absorber thickness.
• The solar cell achieved a power conversion efficiency of 20.15%, an open-circuit voltage of 1.089 V, a short-circuit current of 24.18 mA/cm2, and a fill factor of 76.45%.
• It is hoped that this research will pave the way for practical implementation of indium sulfide as the potential electron transport layer for MAPbI3 perovskite solar cells.