Electroluminescence in polymer films

Electroluminescence in Mylar Films

slowly or even stored at 95 °K for 8 or 16 hours 12. The ordering of this small part of the ice seems to be an almost spontaneous occurrence as the tempe­ rature is lowered to about 120 °K. A lowering of the activation energy for the movement of the defects in the neighbourhood of the dopant molecule could be the cause. It would mean that the area around a foreign molecule is quickly reorientat...

Nanosecond transient electroluminescence from polymer light-emitting diodes

The transient electroluminescence from polymer light-emitting diodes is reported. When the devices are mounted on a microstrip transmission line, the temporal response is limited by the electrode geometry, with rise and fall times below 50 ns. With low duty-cycle pulses (0.5%) the electroluminescence intensity remains proportional to the current at values up to 10 A/cm2, two orders of magnitude...

Transient electroluminescence of polymer light emitting diodes using electrical pulses

Detailed experimental and theoretical analysis of the pulsed excitation of polymer light emitting diodes is presented. We find a set of universal transient features for a variety of device configurations ~different polymers/cathodes! which can be reproduced using our phenomenological numerical model. We find that the temporal evolution of the electroluminescence in response to a step voltage pu...

Influence of the polymer concentration on the electroluminescence of ZnO nanorod/polymer hybrid light emitting diodes

Biotin selective polymer nano-films

BACKGROUND The interaction between biotin and avidin is utilized in a wide range of assay and diagnostic systems. A robust material capable of binding biotin should offer scope in the development of reusable assay materials and biosensor recognition elements. RESULTS Biotin-selective thin (3-5 nm) films have been fabricated on hexadecanethiol self assembled monolayer (SAM) coated Au/quartz re...