AlGaN-based self-powered solar-blind UV photodetectors with Ni/Au electrodes Tingting Lin, Liwei Liu, Xinguo Liu, Chengyu Liu, Changjian Zhou and Wenliang Wang Eur. Phys. J. Spec. Top., Publication ahead of print Published online: 10 February 2025 DOI: 10.1140/epjs/s11734-025-01488-0