https://en.wikipedia.org/wiki/Quantum_dot_solar_cell https://en.wikipedia.org/wiki/Quantum_dot_solar_cell Could you tune/adjoin these to span a very wide band

https://en.wikipedia.org/wiki/Quantum_dot_solar_cell https://en.wikipedia.org/wiki/Quantum_dot_solar_cell Could you tune/adjoin these to span a very wide band of wavelengths?