Careful electrical design and optical design are both crucial for achieving high-efficiency solar cells. It is common to link these two aspects serially; the optical design is first done to minimize reflection and maximize light trapping, and then the resulting optical generatio…
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This thesis presents fabrication and characterization of a small scale photo-electro-chemical (PEC) solar cell. The cell consists of a p-type silicon cathode with an etched micro-cavity that houses the zinc chloride electrolyte solution, and the cavity is covered by a sheet of z…
Surface waves are the solutions of the frequency-domain Maxwell equations at the planar interface of two dissimilar materials. The time-averaged Poynting vector of a surface wave (i) has a significant component parallel to the interface and (ii) decays at sufficiently large dist…
This dissertation is composed of three studies related to chalcopyrite solar cells. The first study is on electronic activities of grain boundaries (GBs) in CuInSe2 (CIS). Despite being polycrystalline, chalcopyrite thin film solar cells have reached record power conversion effi…