Researchers at King Abdullah University of Science and Technology (KAUST) have developed a nanostructured solar panel coating designed to maintain performance in dusty, arid environments while capturing atmospheric moisture. Outdoor tests at KAUST over six months demonstrated minimal performance loss on treated panels, contrasting with significant declines in uncoated panels. The coating also condenses water vapor at night, which then rolls off, cleaning the panel and providing collected water sufficient for small-scale irrigation. Why it matters: This innovation offers a sustainable solution for improving solar energy efficiency and providing a supplementary water source in water-scarce regions, addressing critical challenges for renewable energy deployment in the Middle East.
This study introduces a reinforcement learning (RL) framework using Proximal Policy Optimization (PPO) and Soft Actor-Critic (SAC) to optimize the cleaning schedules of photovoltaic panels in arid regions. Applied to a case study in Abu Dhabi, the PPO-based framework demonstrated up to 13% cost savings compared to simulation optimization methods by dynamically adjusting cleaning intervals based on environmental conditions. The research highlights the potential of RL in enhancing the efficiency and reducing the operational costs of solar power generation.
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 Professor Derya Baran and her team at startup iyris have developed transparent solar panels that can turn windows into a source of renewable energy. The technology allows buildings to generate their own electricity, aligning with Saudi Vision 2030's goals for sustainable energy. iyris' first customer is the Red Sea Farm, another KAUST-based business, which aims to use the windows to improve plant growth and crop yield. Why it matters: This innovation could significantly reduce reliance on fossil fuels and promote sustainable urban development in the region, where cooling demands drive high electricity consumption.
KAUST researchers have developed solar panels with 4D-printed legs that readjust their position to track the sun's movement without consuming electrical energy. The design uses smart materials that contract when exposed to sunlight, tilting the panel towards the sun. A multidisciplinary team of interns collaborated on the project, integrating physics, electrical engineering, and mechanical engineering expertise. Why it matters: This low-cost, energy-efficient solar-tracking technology could significantly increase the energy output of solar cells, offering a viable renewable energy solution for the region and beyond.
The KAUST Smart Home has received LEED Platinum certification, ranking second globally with a score of 94. The project retrofitted an existing home with features like 120 solar panels and hydropanels producing drinking water from atmospheric humidity. It also includes a leak detection system and smart fill windows controllable via touch panel. Why it matters: This demonstrates how existing infrastructures in the region can be improved to meet sustainability goals using smart technology.
KAUST startup Quantum Solutions manufactures quantum dots, semiconducting nanoparticles that emit light with controllable energy. These dots are being explored for applications including displays, photodetectors, and solar cells. Quantum dots can enhance the efficiency of silicon solar panels by absorbing infrared light. Why it matters: This highlights the potential of KAUST-incubated startups to contribute to advanced materials science and renewable energy technologies in the region.
KAUST Assistant Professor of Material Science and Engineering, Derya Baran, was named as one of MIT Technology Review's 'Innovators Under 35 in the MENA region' in 2018. Baran and her team founded iyris, a startup developing transparent photovoltaic technology to turn windows into solar panels. The technology aims to enable energy-efficient buildings by generating electricity and blocking heat. Why it matters: This recognition highlights KAUST's role in fostering innovation in sustainable energy and showcases the potential of advanced materials research for addressing regional environmental challenges.