Space charge distribution and trapping kinetics in amorphous silicon solar cells
  R. Könenkamp, S. Muramatsu, S. Matsubara, and T. Shimada
  Appl. Phys. Lett. 60, 1120 (1992)

Charge Carrier Transport in Amorphous Silicon Solar Cells
  R. Könenkamp and T. Shimada
  Applied Physics Communications, 12, 11-44 (1993)

Photoconduction in Fullerene Films
  R. Könenkamp, J. Erxmeyer, A. Weidinger
  Appl. Phys. Lett 65, 758, 1994

Photogeneration and Carrier Transport in C₆₀ Films
  R. Könenkamp, R. Engelhardt, and R. Henninger
  Sol. St. Comm. 97, 285, 1996

Recombination in Nanophase TiO₂  Films
  R. Könenkamp and R. Henninger
  Appl. Phys. A 58, 87 (1994)

Photoconduction in porous TiO₂  sensitized by PbS quantum dots
  P. Hoyer and R. Könenkamp
  Appl. Phys. Lett 66, 349 (1995)

Carrier transport in nano-porous TiO₂ films
  R. Könenkamp
  Phys. Rev. B 61, 11057 (2000)