Main component of solar cells

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Porous silicon (PS) plays a crucial role in various fields, including optoelectronics, sensors, and photovoltaics. It serves as a substrate for molecules and is essential in applications like mass spectrometry and energy storage. PS is typically produced through anodic etching or stain etching, but the metal-assisted chemical etching method offers a faster and more uniform alternative without the need for external bias. This highlights its versatility and importance in advancing technology across multiple disciplines.