Long-term investigation of unsealed DSSCs with glycerol-based electrolytes of different compositions
K. Gossen, M. Dotter, B. Brockhagen, J.L. Storck, A. Ehrmann, AIMS Materials Science  9 (2022) 283–296.

Optimization of the TiO2 layer in DSSCs by a nonionic surfactant
S. Udomrungkhajornchai, I.J. Junger, A. Ehrmann, Optik 203 (2020).

Glycerin-based electrolyte for reduced drying of dye-sensitized solar cells
K. Gossen, A. Ehrmann, Optik 207 (2019).