期刊
SYNTHETIC METALS
卷 153, 期 1-3, 页码 205-208出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.synthmet.2005.07.283
关键词
OLED; CBD; MEH-PPV; SWCNT; Alq(3); DCM
Optoelectronic devices based upon poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene](MEH-PPV)-single-walled carbon nanotube (SWCNT) nanocomposites have been fabricated and characterized. SWCNTs were synthesized by the laser ablation method, and organic thin films were produced by spin-coating and cluster beam deposition (CBD) methods. The hole-only-type devices with the structure of ITO-coated glass/PEDOT:PSS/nanocomposite/Au demonstrate that the transport characteristics are improved due to the efficient hole injection and percolative conduction in the range of 0-1.0 SWCNT wt.% relative to MEH-PPV. Studies of luminescence and device characteristics for the double-layer-type devices of ITO-coated glass/PEDOT:PSS/nanocomposite/(DCM-doped)Alq(3)/Li:Al exhibit that the incorporation of SWCNT into MEH-PPV and of DCM into Alq(3) enhances the transport characteristics and device performance, respectively.
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