Janina R. Heldt

Photophysical properties of 4-alkyl- and 7-alkoxycoumarin derivatives. Absorption and emission spectra, fluorescence quantum yield and decay time

Janina R. Heldt, Józef Heldt, M. Stoń et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 1995 · 57 citations

Decay Time, Photochemistry, Natural Sciences +8

Preferential solvation of fluorenone and 4-hydroxyfluorenone in binary solvent mixtures

Marek Józefowicz, Janina R. Heldt · Chemical Physics · 2003 · 39 citations

Engineering, Fluorous Synthesis, Physical Chemistry +5

Excitation-wavelength Dependent Fluorescence of Ethyl 5-(4-aminophenyl)-3-amino-2,4-dicyanobenzoate

Marek Józefowicz, Janina R. Heldt · Journal of Fluorescence · 2010 · 38 citations · Full text

Excited State Property, Phosphorescence Imaging, Engineering +14

Dipole moments studies of fluorenone and 4-hydroxyfluorenone

Marek Józefowicz, Janina R. Heldt · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 2006 · 34 citations

Engineering, Fluorous Synthesis, Physical Chemistry +4

Red-edge and inhomogeneous broadening effects of the electronic spectra of ethyl 5-(4-aminophenyl)-3-amino-2,4-dicyanobenzoate

Marek Józefowicz, Janina R. Heldt, Agnieszka Bajorek et al. · Journal of Photochemistry and Photobiology A Chemistry · 2007 · 25 citations

Organic Charge-transfer Compound, Electronic Spectra, Excited State Property +10