Surface Optimization of Random Pyramid Textured Silicon Substrates for Improving Heterojunction Solar Cells

• Published in: Solid state phenomena Vol. 255; pp. 338 - 343
• Main Authors: Korte, Lars, Stegemann, Bert, Kegel, Jan, Angermann, Heike
• Format: Journal Article
• Language: English
• Published: Zurich Trans Tech Publications Ltd 01.09.2016
• Subjects: Charge Carrier Lifetime; Solar Cell; a-Si:H; Silicon; Texture; Passivation; Density of Interface States; Heterojunction

Key steps in the fabrication of high-efficiency a-Si:H/c-Si heterojunction solar cells are the controlled pyramid texturing of the c-Si substrates to minimize reflection losses and the subsequent passivation by deposition of a high-quality a-Si:H layer to reduce recombination losses. This contributi...