1. New world record efficiency for Cu(In,Ga)Se2 thin-film solar cells beyond 20%;Jackson;Progress in Photovoltaics: Research and Applications,2011
2. Interpretation of admittance, capacitance-voltage, and current-voltage signatures in Cu(In,Ga)Se2 thin film solar cells;Eisenbarth;Journal of Applied Physics,2010
3. Understanding defect-related issues limiting efficiency of CIGS solar cells;Igalson;Solar energy materials and solar cells,2009
4. Transient capacitance spectroscopy of defect levels in CIGS devices;Igalson;Thin Solid Films,2000
5. Hopping conduction observed in thermal admittance spectroscopy;Reislöhner;Physical Review Letters,2010