Rapid exploration of multinary compound semiconductors through a novel spray deposition technique

TL;DRAbstract

Solar energy represents the single largest source of renewable energy available on Earth. Photovoltaic (PV) technology is one of the most common methods in which to harness solar energy for electricity generation, but the market penetration of PV technology is impeded by high capital costs and low conversion efficiencies. One approach to address high manufacturing costs, which has shown some success industrially, is to employ a liquid based processing scheme, in which thin film photovoltaic devices are manufactured in a roll to roll manner. Semiconductors appropriate for this processing are subject to stringent and specific material requirements however, which are only found in a few known material systems, such as CdTe and CuInxGa 1-xSe2 (CIGS). Additionally, concerns regarding the supply and demand for tellurium, indium, and gallium are fueling interest in new semiconductor alloys that are comprised of earth abundant elements but retain similar properties to CdTe or CIGS. Despite thi

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