Perovskite tandem PV integrator secures $4.7 million of US funds
The US Department of Energy (DoE) has provided Tandem PV with $4.7 million in funds to advance the commercialization of the company’s thin-film solar technology.
Perovskite-cadmium telluride tandem solar cell based on special electrode achieves 24.2% efficiency
An Indian-US research team has fabricated a four-terminal perovskite-cadmium telluride tandem solar cell by utilizing a highly conductive and sputtered transparent electrode to increase the current density of the bottom cell. The tandem device combines a 18.3%-efficient top perovskite cell and a 19.53%-efficient cadmium telluride bottom device.
Chinese PV Industry Brief: Renshine plans GW-scale perovskite PV panel factory
Renshine Solar says it will open a gigawatt-scale perovskite PV module factory in Jiangsu province, with a planned investment of CNY 1 billion ($138 million). In January, it reported that its perovskite solar panels had achieved a power conversion efficiency of 18.4%.
Novel attempt to design solar cell based on chalcogenide perovskite delivers 13.86% efficiency
Scientists in South Africa have proposed a new chalcogenide perovskite solar cell design based on a compound known as barium zirconium sulfide. They tested different hole transport materials in the new device and found that a polymer known as P3HT achieved the best performance.
Strategies to address thermomechanical instability of perovskite solar modules
A U.S. research team has investigated the thermomechanical reliability of metal halide perovskite (MHP) modules and cells in an effort to identify the best strategies to improve their stability under thermomechanical stressors. The scientists discussed, in particular, film stresses, adhesion of charge transport layers, and instability under light and heat.
Perovskite solar cell based on self-disintegrating seeds achieves 23.73% efficiency, 83.64% fill factor
A Chinese research group including scientists from module maker Tongwei has designed a perovskite solar cell with remarkable perovskite film quality through the so-called self-disintegrating seed strategy. The device not only achieved one of the highest fill factor values ever recorded for perovskite solar to date, but also showed remarkable stability.
Lead-free inverted perovskite solar cells without transparent conducting oxides may achieve 30% efficiency
Researchers in Nigeria have proposed to build inverted perovskite solar cells exclusively with all-inorganic transport materials and a lead-free perovksite absorber. Through a series of simulations, they showed these device may achieve efficiencies over 30% with low production costs.
Toray Engineering offers coating equipment for perovskite PV module manufacturing
The Japanese industrial technology supplier is shipping coating tools for perovskite solar panels with dimensions up to 1,000 mm × 2,000 mm. The company will also offer soon a support for 2,400 mm ×1,200 mm sizes.
Inverted perovskite solar cell based on self-assembled monolayer achieves 24.38% efficiency
Researchers in China have designed an inverted perovskite solar cell with a new strategy aimed to optimize the cell’s bottom region. The proposed cell was treated with two molecules known as 2-mercaptoimidazole and 2-mercaptobenzimidazole and was based on a hole transport layer relying on a self-assembled monolayer.
Carbon-based perovskite solar cell without hole transport layer achieves 14.15% efficiency
Researchers in China have outlined a new surface engineering strategy to build low-cost solar cells without a hole transport layer. The devices were treated with benzoylcholine halide to reduce non-radiation recombination and achieved remarkable efficiency and stability.
