KAUST ·
The Centre for Solar Energy and Hydrogen Research Baden-Württemberg (ZSW) and King Abdullah University of Science and Technology (KAUST) have signed a memorandum of understanding. The collaboration focuses on thin-film photovoltaic technology. Why it matters: The partnership between a leading German research institution and KAUST could accelerate advancements in solar energy research and deployment within Saudi Arabia.
KAUST ·
KAUST researchers are exploring thin-film device technologies using materials like printable organics and metal oxides for a greener Internet of Things (IoT). They propose wirelessly powered sensor nodes using energy harvesters to reduce reliance on batteries, which are costly and environmentally harmful. Large-area electronics, printed on flexible substrates, offer a more eco-friendly alternative to silicon-based technologies due to solution-based processing and lower production temperatures. Why it matters: This research contributes to a more sustainable and environmentally friendly IoT ecosystem, aligning with global efforts to reduce electronic waste and energy consumption.
KAUST ·
KAUST researchers collaborated with TSMC to review the potential of 2D materials in overcoming silicon limitations for microchips. They find that while 2D materials show promise, performance degrades when using scalable fabrication techniques like chemical vapor deposition. 2D materials have been integrated into some commercial products like sensors, but high-integration-density circuits are still a challenge. Why it matters: This research highlights the ongoing efforts and remaining hurdles in utilizing novel materials to advance semiconductor technology in line with industry roadmaps.
KAUST ·
KAUST scientists developed a new perovskite solar cell design using thin perovskite layers at the top and bottom of the interface. The new design achieves a power conversion efficiency of 25.6%, comparable to silicon solar cells, with only a 5% efficiency loss after 1000 hours of high heat exposure. The key innovation is the use of a specific ligand that interacts effectively with the 3D perovskites for passivation, maintaining purity in the thin layers. Why it matters: This advancement enhances the stability and efficiency of perovskite solar cells, making them a more viable and cost-effective alternative to silicon, especially for countries like Saudi Arabia aiming to increase renewable energy reliance.
KAUST ·
KAUST's Solar & Photovoltaics Engineering Research Center (SPERC) was officially inaugurated with a two-day seminar featuring international solar energy experts. The event included discussions on developing the solar energy manufacturing industry in Saudi Arabia and a memorandum of understanding between KAUST and the Centre for Solar Energy and Hydrogen Research Baden-Württemberg (ZSW) to develop thin-film photovoltaic technology. ZSW holds the world record in thin-film photovoltaics cells efficiency, achieving a rate of 20.8%. Why it matters: This initiative signifies KAUST's commitment to becoming a regional hub for renewable energy and photovoltaics, fostering collaboration between research and industry to advance solar energy development in Saudi Arabia.
KAUST ·
KAUST Discovery Professor Tao Wu's research focuses on oxide thin films and nanomaterials for applications in spintronics, nonvolatile memory, energy harvesting, and sensors. His group aims to develop oxide thin film heater structures by combining different materials at the unicell level to create new artificial materials. The main technical areas involve spintronics, electric field effect devices, and oxide solar cells, leveraging Saudi Arabia's abundant solar energy. Why it matters: This research could lead to next-generation electronic devices and solar cells using more stable and versatile oxide-based solutions, aligning with Saudi Arabia's renewable energy goals.
KAUST ·
KAUST researchers have integrated a hexagonal boron nitride sheet into CMOS microchips, creating a hybrid 2D-CMOS microchip. This integration leverages the electrical and thermal properties of 2D materials, resulting in circuits that are smaller, more energy-efficient, and have longer lifespans. The KAUST Imaging and Characterization Core Lab contributed to the observations in this study, which involved researchers from six countries. Why it matters: This achievement represents a significant advancement in microchip miniaturization and performance, potentially impacting various electronic applications.
KAUST ·
KAUST researchers have achieved a breakthrough by passing the damp-heat test for perovskite solar cells (PSCs), a rigorous assessment of their ability to withstand prolonged exposure to high humidity and temperatures. The team engineered 2D-perovskite passivation layers that block moisture and enhance power conversion efficiencies. The successful test, which requires maintaining 95% of initial performance after 1,000 hours at 85% humidity and 85 degrees Celsius, marks a significant step toward commercialization. Why it matters: This advancement addresses a critical weakness of PSCs and brings the technology closer to competing with silicon solar cells in terms of stability and longevity, crucial for widespread adoption of renewable energy.