Impact of Interfaces Inside Solar Cells

High Sensitivity, High Selectivity Detection of Biomarker Proteins

Charge transfer between bio target molecule, receptor, and gate region of semiconductor transistor produces state-of-the-art performance and lifetime

Copper Indium Gallium Diselenide (CIGS) Solar Cell: Multilayer Structure

Chemical and Electronic Properties of CIGS grains in cross section

  • M. Hetzer, Y.M. Strzhemechny, L.J. Brillson, M.A. Contreras, and A. Zunger, "Direct Observation of Copper Depletion and Potential Changes at Copper Indium Gallium Diselenide Grain Boundaries," Appl. Phys. Lett. 86, 162105-7 (2005).
  • M.J. Hetzer, Y.M. Strzhemechny, M. Gao, S.H. Goss, M.A. Contreras, A. Zunger, and L.J. Brillson, "On Microscopic Compositional and Electrostatic Properties of Grain Boundaries in Polycrystalline CuIn1-xGaxSe2," J. Vac. Sci. Technol. B 24, 1739-1745 (2006).
  • M.J. Hetzer, L.J. Brillson, and D.G. Jensen, "Interfacial Alloying and Defect Formation Inside Operational CIGS Solar Cells," Proceeding of the 34th IEEE Photovoltaic Specialists Conference (IEEE, Piscataway, NJ, 2009), pp. 2061-2064.