Snow crystal-like structure of NiSe as a binder-free electrode for high-performance hybrid supercapacitor. - Bekhit, Samah M.; Mohamed, Saad G.; Ghayad, Ibrahim M.; Attia, Sayed Y.; Metwally, W.; Abdel-Karim, R.; El-Raghy, S. M. (Journal of Materials Science, 2022)