N. Yadav, N. Kumar, and M. K. Chini, “Design and Fabrication of CsSnI3 Electrodes with 2D Perovskite (BA2SnI4)-Enhanced PVDF-HFP Gel Polymer Electrolytes for Advanced Solid-State Supercapacitor Devices”, ajc, vol. 38, no. 3, pp. 774–780, Mar. 2026.