Terbium-doped perovskite solar cell with 17.5% efficiency
An international group of scientists has used bulk passivation and surface passivation techniques to implement terbium doping in an all-inorganic perovskite solar cell, while using quantum dots to improve the stability of the perovskite itself.
Perovskite solar cell technology on the road to commercialization
A new US Department of Energy report describes the challenges of commercializing perovskite technology for the solar energy sector.
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.
Ionic liquid-based perovskite solar cell with 22.86% efficiency
A Swiss-Japanese research group has used ionic liquids doping to improve the efficiency and stability of perovskite solar cells. Their champion device showed an open-circuit voltage of 1.16 V, a short-circuit current of 24.03 (mA cm−2), and a fill factor of 0.818. It was also able to retain around 95% of its initial efficiency after 1,000 hours of operation.
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.
NGK Insulators enters perovskite PV module business
NGK Insulators has invested an undisclosed sum in Enecoat, which develops perovskite solar cells via a wet process based on organic chemistry, a low-temperature coating process, and roll-to-roll printing.
Low-temperature perovskite solar module with 19.1% efficiency
Researchers have developed a PV module with with an efficiency of 20.72%, based on tin oxide (SnO2) as an electron transport layer, an organometal halide perovskite layer, organic halide salt phenethylammonium iodide (PEAI) as a passivation agent, and Spiro-OMeTAD as the hole transport layer (HTL).
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.
Tin perovskite solar cell with operational stability of over 1,300h
Scientists in Spain have built a 10.61%-efficient tin perovskite solar cell with improved open-circuit voltage and stability. The device was fabricated with formamidinium tin iodide (FASnI<sub3), sodium borohydride (NaBH4) as a reducing agent, and a bulky secondary ammonium cation of small size known as dipropylammonium iodide (DipI).
