Single-molecule spectroscopy of uniaxially oriented terrylene in polyethylene.
Single terrylene molecules doped into linear low-density polyethylene can be oriented by tensile deformation of the matrix. In measurements on ensembles at ambient and on single terrylene molecules at cryogenic temperature, strong orientation along the stretching direction was observed by polarization-resolved confocal microscopy. At cryogenic temperatures narrow and spectrally stable zero-phonon lines were found. The low saturation intensity of 0.07 W cm(-2) is consistent with an uniaxial orientation of terrylene in the sample plane.
Butter
Jacqueline Y P
JY
Nano-Optics Group, National Center of Competence for Research in Nanoscale Science, Institute of Physics, University of Basel, Klingelbergstr. 82, 4056 Basel, Switzerland.
Crenshaw
Brent R
BR
Weder
Christoph
C
Hecht
Bert
B