Hydrogen passivation mechanisms in silicon solar cells

该项目旨在了解硅太阳能电池中的氢钝化机制。大多数硅太阳能电池使用低质量的晶圆，其缺陷可使性能降低> 10%。商业设备使用氢来钝化缺陷并提高性能。尽管进行了数十年的研究，但这些钝化机制仍存在争议，工业方法无效。本项目将研究氢的电荷状态控制和瞬态加氢过程，并将反应速率与材料性质相关联。这将提高对氢钝化机制的理解，并导致更有效的氢化过程，从而有可能减少温室气体排放和可持续电力的成本。

This project aims to understand hydrogen passivation mechanisms in silicon solar cells. Most silicon solar cells use low-quality wafers with defects that can reduce performance by >10%. Commercial devices use hydrogen to passivate defects and improve performance. Despite decades of research, these passivation mechanisms are controversial and industrial methods are ineffective. This project will investigate hydrogen charge-state control and transient hydrogenation processes, and correlate reaction rates and material properties. This should improve the understanding of hydrogen passivation mechanisms and lead to more effective hydrogenation processes that potentially reduce greenhouse gas emissions and the cost of sustainable electricity.