[9p-W611-1~8] 16.3 Bulk, thin-film and other silicon-based solar cells

[9p-W611-1] Temperature dependence of very thin a-Si:H/c-Si heterojunction solar cells

〇Hitoshi Sai¹, Yoshiki Sato¹, Toshiki Oku¹, Mayumi Tanabe¹, Takuya Matsui¹, Koji Matsubara¹ (1.AIST)

Keywords:solar cell, silicon, temperature

It is expected that the thickness of c-Si solar cells will steadily be decreased for reducing material cost as well as adding new functions such as flexibility. One of the benefits of reducing the wafer thickness is the improvement in V_OC, which would leads to an improvement in the temperature coefficient of the conversion efficiency. In this study, we investigate the impact of the wafer thickness in a-Si:H/c-Si heterojunction cells on their photovoltaic properties under various temperatures.