The usage of hydrofluoric acid (HF) or fluoride was believed to be indispensable in the fabrication of porous silicon (PSi) since its discovery. Here we report a novel method, metal - assisted - chemical - reaction - ...The usage of hydrofluoric acid (HF) or fluoride was believed to be indispensable in the fabrication of porous silicon (PSi) since its discovery. Here we report a novel method, metal - assisted - chemical - reaction - etching (MACRE) method, to prepare PSi without HF acid or fluoride. The prepared PSi possesses a noodle-like macro porous structure (silicon noodle). In this paper, the fabrication method, microstructure and photoluminescent properties of the silicon noodle are presented.展开更多
文摘The usage of hydrofluoric acid (HF) or fluoride was believed to be indispensable in the fabrication of porous silicon (PSi) since its discovery. Here we report a novel method, metal - assisted - chemical - reaction - etching (MACRE) method, to prepare PSi without HF acid or fluoride. The prepared PSi possesses a noodle-like macro porous structure (silicon noodle). In this paper, the fabrication method, microstructure and photoluminescent properties of the silicon noodle are presented.
