abstract |
The present invention relates to the use of a material comprising at least one compound of formula (I): BiCu1-zOaSbSecTed (I), where 0≤z≤0.2; 0≤a <2; 0≤b <2; 0≤c <2; 0≤d <2; and a + b + c + d = 2; as a p-type semiconductor, to provide a photocurrent. The invention also relates to photovoltaic devices implement these semiconductors. |