A breakthrough by a team led by Professor Philip C.Y. Chow from the University of Hong Kong's Department of Mechanical Engineering offers promising strides in organic solar cell (OSC) technology. Their research, published in Nature Communications, delves into the mechanisms behind efficient electron-hole separation and stability in OSCs.

The team focused on a new electron-accepting molecule called Y6, finding that controlling its aggregation is crucial for enhancing electricity generation. They discovered that Y6-PAs, when polymerized, have better compatibility with donor polymers, forming a nanoscale network that prevents aggregation. This not only boosts charge generation efficiency but also stabilizes the morphology of the polymer blend, reducing performance degradation over time.

Professor Chow envisions a future where these findings pave the way for efficient and stable polymer-based solar panels, seamlessly integrating into various aspects of daily life. Collaborating with teams from North Carolina State University, the Institute of Chemistry at the Chinese Academy of Sciences, and the City University of Hong Kong, this interdisciplinary effort underscores the power of collaboration in advancing OSC technology. With this breakthrough, the journey towards a greener, more sustainable future takes a significant leap forward.

Based on: https://www.hku.hk