Inverted perovskite-silicon tandem solar cell with 29.3% efficiency
Researchers in Saudi Arabia have built an inverted perovskite-silicon tandem device with a 1 nm thick interlayer based on magnesium fluoride (MgFx). They claim it can stop voltage losses and increase power conversion efficiency, while retaining 95.4% of its initial efficiency after 1,000 hours.
Perovksite solar cell with 23.13% efficiency via new passivation approach
Australian researchers built a perovskite solar cell with guanidinium bromide and octylammonium bromide cations. They claim the device can achieve a higher open-circuit voltage, while exhibiting better efficiency and stability.
Ultra-thin inverted perovskite solar cell with 20.2% efficiency
Chinese scientists have developed an ultralight solar cell with perovskite film based on a 3-µm-thick polymer. It purportedly has a power conversion efficiency in line with that of perovskite cells of conventional thickness.
Large-area semitransparent perovskite PV module with 9.5% efficiency
Singaporean researchers have developed a semitransparent perovskite solar panels for applications such as building-integrated PV, vehicle-integrated solar, and smart glasses. They built it with a highly transparent and conducting transparent conductive oxide layer via tin-doped indium-oxide sputter deposition.
Titanium oxide nanoparticle-based perovskite PV cell with 24.05% efficiency
A new perovskite PV cell based on titanium dioxide nanoparticles exhibits low efficiency losses when scaled up from cell to module.
Four-terminal tandem perovskite solar cell design with 30.14% efficiency
The lead-free solar cell was modeled via a three-dimensional finite element method by an Iranian research group. The cell was designed without the buffer layer and with the addition of anti-reflection layer (ARL) strategies, as well as the use of periodic nano-texture patterns.
Inverted perovskite solar cell with 25% efficiency
The cell is based on ferrocene and is claimed to retain more than 98% of its initial efficiency after continuously operating at the maximum power point for 1,500 hours under standard illumination conditions.
Mini perovskite solar module with 11.9% stabilized efficiency
An international research group has developed a perovskite solar panel on a 192 square-centimeter surface. The researchers claim the panel has one of the highest efficiencies reported at this size to date.
Ultra-thin perovskite-organic tandem solar cell with 24.0% efficiency
Researchers in Germany have built a perovskite-organic solar cell with low interfacial losses and a high open-circuit voltage. The device achieved an open-circuit voltage of 2.15 V, a short-circuit current of 14.0 mA cm−², and a fill factor of 80%.
Carbon-based, HTL-free perovskite solar cells with 26% efficiency
An international research team has designed a carbon-based perovskite solar cell without a hole transport layer. Two plasmonic nanoparticles – Ag@SiO2 and SiO2@Ag@SiO2 – were added to the cell photoactive layer, in addition to a copper(I) thiocyanate (CuSCN) interlayer at the perovskite-carbon interface.
