Special Section on Organic Light-Emitting Materials and Devices

Highly flexible polymer light-emitting devices using carbon nanotubes as both anodes and cathodes

[+] Author Affiliations
Zhibin Yu

University of California, Department of Materials Science and Engineering, Los Angeles, California 90095

Zhitian Liu

University of California, Department of Materials Science and Engineering, Los Angeles, California 90095

Meiliang Wang

University of California, Department of Materials Science and Engineering, Los Angeles, California 90095

Mingliang Sun

University of California, Department of Materials Science and Engineering, Los Angeles, California 90095

Gangtie Lei

University of California, Department of Materials Science and Engineering, Los Angeles, California 90095

Qibing Pei

University of California, Department of Materials Science and Engineering, Los Angeles, California 90095

J. Photon. Energy. 1(1), 011003 (January 04, 2011). doi:10.1117/1.3528271
History: Received August 14, 2010; Accepted November 15, 2010; Published January 04, 2011; Online January 04, 2011
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Polymer light-emitting devices based on the in situ formation of a p-i-n junction in a polymer blend have been fabricated by roll lamination. Single-walled carbon nanotubes are used as both the anode and cathode for a fabrication process that does not employ vacuum. The metal-free, thin-film devices exhibit a low turn-on voltage, modestly high efficiency, and brightness. The devices are fairly transparent and exhibit high mechanical flexibility. No failure was observed after repeated bending to a 2.5 mm radius and unbending for 50 cycles. Tandem light-emitting devices were prepared, by stacking a blue device on top of a yellow device, for the convenient generation of various mixed colors.

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© 2011 Society of Phot-Optical Instrumentation Engineers

Citation

Zhibin Yu ; Zhitian Liu ; Meiliang Wang ; Mingliang Sun ; Gangtie Lei, et al.
"Highly flexible polymer light-emitting devices using carbon nanotubes as both anodes and cathodes", J. Photon. Energy. 1(1), 011003 (January 04, 2011). ; http://dx.doi.org/10.1117/1.3528271


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