Lecture

Silicon Wafer Preparation

Description

This lecture covers the fundamentals and processes for photovoltaic devices, focusing on the preparation of silicon wafers. It discusses the standard chain for crystalline silicon, the importance of wafer quality, costs, and grey energy. Various techniques for wafering, ingot fabrication, and alternative approaches are explored. The lecture also delves into the mechanical properties of silicon, purification methods via the gas phase, and the drastic changes in the PV industry. It concludes with insights on the reduction of silicon usage, advancements in wafering technologies, and the potential of new wafering approaches from startups.

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