Abstract
The stamping process of self-assembled monolayers
(SAMs) with polydimethylsiloxane (PDMS) mold on the Ag
electrode was demonstrated, for use as the anode of a
top-emission organic light-emitting device (OLED) and
the cathode of an organic photovoltaic (OPV) device
stacked underneath. Such SAMs reduce the barrier for
hole injection from the Ag to the hole-transport layer
of OLED. The PDMS mold coated with SAMs can be used
repeatedly, for more than nine times. In this tandem
device, the power conversation efficiency under OPV-mode
operation and the current efficiency under OLED-mode
operation were nearly identical to those in individual
devices without compromise.
© 2011 IEEE
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