Blue light-emission from a nanostructured organic polymer semiconductor

We report on the enhancement of the photoluminescence (PL) intensity from a nanostructured organic material composed of nanosized aggregates of poly(para-phenylene) (PPP) in a polystyrene insulating matrix. In addition, the peak of the PL emission spectrum from these nanostructured organic semicondu...

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Bibliographic Details
Published in:Solid state communications 1995-07, Vol.95 (3), p.185-189
Main Authors: Romero, D.B., Schaer, M., Staehli, J.L., Zuppiroli, L., Widawski, G., Rawiso, M., François, B.
Format: Article
Language:English
Subjects:
A nanostructures
A polymers
and plastics
Condensed matter: electronic structure, electrical, magnetic, and optical properties
D optical properties
E neutron scattering
elastomers
Exact sciences and technology
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Photoluminescence
Physics
Solid organic materials
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Summary:We report on the enhancement of the photoluminescence (PL) intensity from a nanostructured organic material composed of nanosized aggregates of poly(para-phenylene) (PPP) in a polystyrene insulating matrix. In addition, the peak of the PL emission spectrum from these nanostructured organic semiconductors is blue-shifted from that of unstructured PPP. Furthermore, these PL characteristics correlate with the presence of an unusual sub-gap absorption feature that is present only in the nanostructured PPP. These results suggest the departure of the optical properties of random nanostructured organic polymers from their unstructured counterparts.
ISSN:0038-1098
1879-2766
DOI:10.1016/0038-1098(95)00193-X