Nature CommunicationsLigand-mediated suppression of Ostwald ripening enables low-temperature sol-gel ZnO for efficient inverted flexible organic photovoltaicsJiaqiang ZhangChi XuYongqi BaiRan SuJiahan XieQuan LiuZiyi Ge2026-06-23Full textDOI https://doi.org/10.1038/s41467-026-74198-3