In recent years the concept of ternary blend bulk heterojunction (BHJ) solar cells based on organic semiconductors has been widely used to achieve a better match to the solar irradiance spectrum, and ...

From what I've seen online, it looks like the pow() function should take an optional third argument, so that pow(a,b,m) would return (a**b)%m. But this isn't working. When I try to pass three ...