A process for making inexpensive Gallium Arsenide (GaAs)A crystalline, high‐efficiency compound used to make certain types of... photovoltaic cellsThe smallest semiconductor element within a PV module to perform the immediate... in which a thin film of GaAsSee gallium arsenide. is grown atop a thick, single‐crystal GaAsSee gallium arsenide. (or other suitable material) substrateThe physical material upon which a photovoltaic cell is applied. and then is cleaved from the substrateThe physical material upon which a photovoltaic cell is applied. and incorporated into a cell, allowing the substrateThe physical material upon which a photovoltaic cell is applied. to be reused to grow more thin‐film GaAsSee gallium arsenide..