Ultrathin Oxide Layers for Solar and Electrocatalytic Systems
Chapter 3: Ultrathin Oxides for Solar Cells
Published:04 Jan 2022
A. F. Palmstrom and M. O. Reese, in Ultrathin Oxide Layers for Solar and Electrocatalytic Systems, ed. H. Frei and D. Esposito, The Royal Society of Chemistry, 2022, ch. 3, pp. 27-69.
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This chapter discusses the many uses of ultrathin oxide layers across a broad range of photovoltaic (PV) technologies. The chapter is broken down into six sections, working from the solar absorber outwards: passivation layers, selective contact/buffer layers, recombination layers, barrier layers, anti-reflective coatings, and anti-soiling layers. The goal is to introduce the layer function, outline the scientific mechanisms behind each function, and provide illustrative examples from academic literature and industry. One theme in this chapter is the multifunctionality of oxide layers in the PV device stack, that is, a single layer rarely has only one purpose and therefore certain ideas will build upon other sections. The chapter covers a wide range of material and the discussions and examples are by no means exhaustive. The best efforts have been made to capture the central concepts for each topic and direct the reader to additional resources that have been found by the authors to be useful and relevant.