[6a-A204-1~10] 16.3 Bulk, thin-film and other silicon-based solar cells

▲ [6a-A204-4] Electrochemical reduction of diatom for the formation of silicon-film on silver-substrate

〇Muhammad Monirul Islam¹, Imane Abdellaoui², Takeaki Sakurai¹, Saad Hamzaoui², Katsuhiro Akimoto¹ (1.Tsukuba Univ., 2.Oran Univ.)

Keywords:diatom, electrochemical reduction, electrodeposition

Silicon (Si)-layer was formed on silver (Ag)-substrates using electrodeposition technique through electrochemical-reduction of purified (99%) diatomaceous earth (SiO₂) in molten calcium chloride (CaCl₂) at temperature of 855^o C. Raman spectroscopy and X-ray diffraction (XRD) method confirm formation of poly-crystalline Si-film along with microcrystalline phases. Scanning electron microscopy (SEM) indicates Si-film has morphology with rough surfaces.