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 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.


Published in:
Solid State Communications, 95, 3, 185-189
Year:
1995
ISSN:
0038-1098
Keywords:
Note:
Inst charles sadron,f-67083 strasbourg,france. Romero, db, swiss fed inst technol,dept phys,ch-1015 lausanne,switzerland.
ISI Document Delivery No.: RC173
Times Cited: 10
Cited Reference Count: 13
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