The standard solar cell uses silicon oxide, which is expensive and environmentally toxic. One of the promising alternatives is the so-called “Grätzel cellâ€, a cheaper, cleaner alternative based on more abundant titanium oxide...
The standard solar cell uses silicon oxide, which is expensive and environmentally toxic. One of the promising alternatives is the so-called “Grätzel cellâ€, a cheaper, cleaner alternative based on more abundant titanium oxide...