Patent ID: 11942564
Assignee: LONGI GREEN ENERGY TECHNOLOGY CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 8:
9. The tandem photovoltaic device according to claim 1, wherein
when the crystalline silicon layer is the p-type crystalline silicon layer, the energy level at the bottom of the conduction band of the metal oxide layer is same as the first energy level and the energy level at the top of the valence band of the p-type crystalline silicon layer is same as the second energy level E2; and
when the crystalline silicon layer is the n-type crystalline silicon layer, the energy level at the top of the valence band of the metal oxide layer is same as the third energy level E3, and the energy level at the bottom of the conduction band of the n-type crystalline silicon layer is same as the fourth energy level E4.