Chalcogenide semiconductors offer excellent optoelectronic properties for their use in solar
cells, exemplified by the commercialization of Cu (In, Ga) Se2-and CdTe-based photovoltaic …

Control of defect processes in photovoltaic materials is essential for realizing high-efficiency
solar cells and related optoelectronic devices. Native defects and extrinsic dopants tune the …

CdTe thin film solar cell, as an outstanding representative of the second-generation solar
cells, has been produced and applied on a large scale. However, due to the low …

CdTe devices have reached efficiencies of 22% due to continuing improvements in bulk
material properties, including minority carrier lifetime. Device modeling has helped to guide …

Thin film materials for photovoltaics such as cadmium telluride (CdTe), copper-indium
diselenide-based chalcopyrites (CIGS), and lead iodide-based perovskites offer the …

Electronic doping is applied to tailor the electrical and optoelectronic properties of
semiconductors, which have been widely adopted in information and clean energy …

Copper has been used as a p-type dopant in cadmium telluride (CdTe) for decades.
However, the density of Cu atoms in the finished device is much higher than that of holes …

While the electrical and optical properties of most crystalline materials are determined by the
point defects, the association of these defects into complexes may further alter material …

Reducing recombination in polycrystalline solar cells by orders of magnitude is currently one
of the greatest challenges for increasing thin-film solar cell efficiency to theoretical limits. The …

CdTe defect chemistry is adjusted by annealing samples with excess Cd or Te vapor with
and without extrinsic dopants. We observe that Group I (Cu and Na) elements can increase …