Saturable absorption dynamics in the triplet system and triplet excitation induced singlet fluorescence of some organic moleculesH. Gratz; A. Penzkofer · 2001

Dye sorption studies and specific surface determination of porous silicate sol—gel glassesA. Penzkofer; H. Gratz; P. Weidner · 1995

Singlet–singlet excited-state absorption and triplet–triplet absorption of meso-tetraphenylporphineH. Gratz; A. Penzkofer · 2000

Photo-isomerisation, triplet formation, and photo-degradation dynamics of indocyanine green solutionsH. Gratz; A. Penzkofer; C. Abels; R.-M. Szeimies; M. Landthaler; W. Bäumler · 1999

Saturable absorption dynamics in the triplet system and triplet excitation induced singlet fluorescence of some organic moleculesH. Gratz; A. Penzkofer · 2001

Photo-physical characterization of rhodamine 6G in a 2-hydroxyethyl-methacrylate methyl-methacrylate copolymerW. Holzer; H. Gratz; T. Schmitt; A. Penzkofer; A. Costela; I. Garcı́a-Moreno; R. Sastre; F.J. Duarte · 2000

Nanometer particle size, pore size, and specific surface determination of colloidal suspensions and porous glasses by rayleigh light scatteringH. Gratz; A. Penzkofer; P. Weidner · 1995

Intersystem-crossing and excited-state absorption of C70 studied by picosecond pump and probe absorption and fluorescence measurementsS. Reindl; A. Penzkofer; H. Gratz · 1998