This report covers SERI research activities on solid-state theory, high-efficiency cells, thin-film cells, silicon purification, silicon crystallization, thick-film technology, surface and interface analysis, and growth of GaAs and related compounds by metal-organic chemical vapor desposition.

This report summarizes the progress of photovoltaic research at the Solar Energy Research Institute from April 1980 to September 1981. The major areas covered are developments in growth processes and device fabrication, material preparation and purification, solid state theory, amorphous silicon study, thin-film compound semiconductors, high-efficiency junction solar cells, thick-film technology, surface and interface analysis, and measurement research.

This report covers the research activities in SERI's Photovoltaic Research Branch during the period 1 October 1979 to 31 March 1980. It includes separate reports on: solid-state theory, high-efficiency cells, thin-film cells, silicon purification, silicon crystallization, thick-film technology, surface and interface analysis, and growth of GaAs and related compounds by metal-organic chemical vapor deposition.

This report covers SERI research activities on solid-state theory, high-efficiency cells, thin-film cells, silicon purification, silicon crystallization, thick-film technology, surface and interface analysis, and growth of GaAs and related compounds by metal-organic chemical vapor desposition.