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

Claim 3:
4. The tandem photovoltaic device according to claim 1, wherein
the metal oxide layer is made of a material selected from at least one of zinc oxide, tin oxide, titanium oxide, molybdenum oxide, vanadium oxide, tungsten oxide, chromium oxide, copper oxide and hafnium oxide, when the crystalline silicon layer is the p-type crystalline silicon layer; and
the metal oxide layer is made of a material selected from at least one of nickel oxide, niobium oxide, iron oxide, cadmium oxide, iridium oxide, magnesium oxide, cesium oxide, cobalt oxide and zirconium oxide, when the crystalline silicon layer is the n-type crystalline silicon layer.