Researchers achieved a record 25.7% efficiency with a tandem solar cell combining perovskite and organic layers, offering a lower carbon footprint.
Researchers have set a new benchmark in solar technology, achieving a record-breaking power conversion efficiency of 25.7 percent for a perovskite-organic tandem solar cell .
By combining a treated perovskite layer with an organic layer that has a narrow bandgap of 1.27 eV, the resulting perovskite–organic solar cell achieved a power conversion efficiency of 26.4 percent, which has been certified at 25.7 percent. Perovskite–organic TSCs are gaining attention because they use a wide-bandgap perovskite solar cell as the front layer and a narrow-bandgapsolar cell as the back layer. These cells offer good stability and the potential for high power conversion efficiency .
To achieve this, the group applied a fresh layer of passivation to the perovskite, which lowers material flaws and improves the cell’s overall functionality.substrate, a perovskite absorber with an energy bandgap of 1.88 eV, and a transparent-conductive-oxide layer with a self-assembled monolayer. They added a new passivation layer to improve efficiency, along with an interconnecting layer and an organic absorber with a 1.27 eV energy bandgap.
Clean Energy Climate Change Renewable Energy Solar Cell Solar Energy Tandem Solar Cell University Of Potsdam
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