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Performance improvement of organic light emitting diode with aluminum oxide buffer layer for anode modification
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10.1063/1.4817239
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    Affiliations:
    1 Printable Electronics Research Center, Suzhou Institute of Nano-Technology and Nano-Bionics, Chinese Academy of Sciences, 398 Ruoshui Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, People's Republic of China
    2 Graduate School of the Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, People's Republic of China
    3 Department of Materials Science and Engineering, University of California, Berkeley, California 94720, USA
    a) Author to whom correspondence should be addressed. Electronic mail: wmsu2008@sinano.ac.cn. Tel.: +86-512-62872730. Fax: +86-512-62603079.
    J. Appl. Phys. 114, 074506 (2013); http://dx.doi.org/10.1063/1.4817239
/content/aip/journal/jap/114/7/10.1063/1.4817239
http://aip.metastore.ingenta.com/content/aip/journal/jap/114/7/10.1063/1.4817239

Figures

Image of FIG. 1.
FIG. 1.

Schematic structure of the device used in this study.

Image of FIG. 2.
FIG. 2.

AFM scanned images of Si wafer surface with varied thickness AlO modify.

Image of FIG. 3.
FIG. 3.

Cross-sectional curves of each AFM scanned images of Si wafer surface with varied AlO thickness.

Image of FIG. 4.
FIG. 4.

Current efficiency-voltage characteristics for a series of OLEDs.

Image of FIG. 5.
FIG. 5.

Power efficiency-voltage characteristics for a series of OLEDs.

Image of FIG. 6.
FIG. 6.

L-I-V characteristics for a series of OLEDs.

Image of FIG. 7.
FIG. 7.

Surface potential-AlO buffer layer thickness characteristics for a series of ITO substrates.

Image of FIG. 8.
FIG. 8.

Schematic diagram of the tunneling model with AlO buffer of different thickness (E: ITO surface potential, E′: anode surface potential with AlO modified).

Tables

Generic image for table
Table I.

Effects of AlO buffer layer on ITO anode such as surface roughness, sheet resistance, and OLED driving voltage.

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/content/aip/journal/jap/114/7/10.1063/1.4817239
2013-08-19
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Performance improvement of organic light emitting diode with aluminum oxide buffer layer for anode modification
http://aip.metastore.ingenta.com/content/aip/journal/jap/114/7/10.1063/1.4817239
10.1063/1.4817239
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