KAUST researchers have developed a perovskite/silicon tandem solar cell with a power conversion efficiency (PCE) of 33.2%, surpassing the previous record of 32.5% held by Helmholtz Zentrum Berlin (HZB). The tandem device was certified by the European Solar Test Installation (ESTI) and listed at the top of the NREL efficiency chart. The cell combines perovskite top cells for blue light absorption with silicon bottom cells for red light absorption. Why it matters: This breakthrough could accelerate the adoption of high-performance photovoltaic modules, which is critical for achieving global renewable energy goals.
KAUST researchers have fabricated and tested high-efficiency perovskite-silicon tandem solar cells optimized for hot climates. The tandem device is more stable than conventional perovskite cells and optimized for industry use. Outdoor testing at KAUST confirmed performance improvements, indicating bromide-lean perovskite top cells with narrower bandgaps are ideal. Why it matters: The research demonstrates the viability of tandem silicon-perovskite cells in harsh environments, paving the way for more efficient solar technology in the region and globally.
KAUST researchers developed a tandem solar cell with 32.5% conversion efficiency by optimizing the silicon-perovskite connection. Another team combined spectroscopy and reactor technologies to reveal details on catalyst function and reaction mechanisms. A KAUST team also developed a mathematical framework improving data rates by 30% and optimizing terrestrial network speeds. Why it matters: These advances highlight KAUST's contributions to sustainable energy, industrial processes, and network optimization, addressing key challenges in the region and globally.
Researchers from KAUST and University of Toronto have created a two-sided perovskite/silicon tandem solar cell that exceeds the performance limits for tandem configurations. The bifacial design captures both direct sunlight and light reflected from the ground (albedo). Outdoor testing demonstrated efficiencies beyond commercial silicon solar panels. Why it matters: This innovation promises ultra-high power generation at affordable costs, potentially revolutionizing the photovoltaics market in the region and globally.
KAUST researchers published a roadmap in Science for commercializing perovskite/silicon tandem solar cells, combining efficient light absorption with long-term stability. The roadmap addresses key challenges like real-world condition variability via geographical testing, accelerated stability testing, and high material costs. The researchers propose paradigms for both monolithic and mechanically stacked tandem production lines to identify cost-reduction opportunities. Why it matters: This work paves the way for affordable, accessible clean energy in Saudi Arabia and the world, with the market for perovskite/silicon tandems expected to exceed $10 billion within a decade.