Professor - Chair of Department of Physics & Material Science
University of Memphis
Title: Solar Energy and Nanowire Solar Cells
Solar cells based on nanocrystals, nanowires and their composites are often referred to as the next generation photovoltaic devices and have been attracted much attention in scientific community as well as industries. The advantages of this type of solar cells include reduced reflection, light trapping capability, improved band gap tuning, and increased defect tolerance, which are expected to reduce the quantity and quality of materials necessary to reach high efficiency and allow for cost reductions. The increased interfaces, however, often lead to an increased charge recombination which has a negative impact on the energy conversion efficiency. This talk will address the progresses in nanostructure based solar cells, with an emphasis on nanowire radial junction devices. Current challenges in nanowire solar cell research will also be discussed.
*Refreshments will be served before the colloquium*