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Dr.
Matthew Marrocco, Principal Investigator, mmarrocco@maxdem.com
Ms.
Linda Hope, Business Official, lhope@maxdem.com
DOE
Grant No. DE-FG02-03ER83850
Amount:
$749,813
Using
current technologies, the generation of light is expensive and detrimental to
the environment. New, solid state
lighting technology offers the potential of providing dramatic increases in
efficiency at costs that are as low as or lower than the costs of current
lighting systems. This project will develop highly efficient, color tunable, and
easily processed electrophosphorescent polymers that offer the best
cost/performance combination of all possible solid state lighting technologies.
In Phase I, very efficient red and green phosphorescent polymers were
developed and electroluminescent devices fabricated. A
unique structural concept that controls the energy flow within the emitting
layer was developed, allowing different color phosphors to be mixed without
energy transfer. The potential for
generating white light from a single-layer polymeric light-emitting diode was
verified. Phase II will develop
white-emitting electroluminescent materials and devices suitable for solid-state
lighting applications. A concept to
control energy flow within the emitting layer, together with a building block
approach, will be used to prepare and evaluate a large number of polymers and
blends. The material and device
structures will be optimized so that the phosphors that can meet the performance
and cost requirements of solid-state lighting systems.
Commercial
Applications and Other Benefits as described by awardee:
The
cost/performance characteristics of the proposed polymer light emitting diodes
should enable broad lighting applications in both commercial and military
sectors. Other photonic applications
include displays, lasers, sensors, and photovoltaic devices.