MIXED OXIDES AND SULPHIDES OF BISMUTH AND COPPER FOR PHOTOVOLTAIC USE

摘要

The invention relates to a material comprising at least one compound having formula Bi1-xMxCu1-y-εM′yOS1-zM″z, the methods for producing said material and the use thereof as a semiconductor, such as for photovoltaic or photochemical use and, in particular, for supplying a photocurrent. The invention further relates to photovoltaic devices using said compounds.

主权项

1. A material comprising at least one compound of formula (I):
Bi1-xMxCu1-y-εM′yOS1-zM″z  (I)wherein:
M is an element or a mixture of elements chosen from group (A) consisting of Pb, Sn, Hg, Ca, Sr, Ba, Sb, In, Tl, Mg, rare earth metals, M′ is an element or a mixture of elements chosen from group (B) consisting of Ag, Ti, V, Cr, Mn, Fe, Co, Ni, Zn, Ga, Mg, Al, Cd, M″ is a halogen, x, y and z are numbers less than 1, with at least one of the numbers x, y or z being non-zero, and 0≦ε<0.2.