Amorphous silicon 1 Auger recombination 1 Efficiency limit Efficiency limits 1 Electrical work 1 Electromagnetic wave emission 1 Energy conversion 1 Entropy 1 Exergy 1 Heat radiation 1 Photovoltaic 1 Photovoltaic effects 1 Photovoltaics 1 Photovoltaics (PV) 1 Radiation energy 1 Shockley-queisser limits 1 Silicon solar cells 1 Silicon wafers 1 Single junction 1 Solar cells 1 Solar power generation 1 Spectral distribution 1 Thermal radiation entropy 1