Oxygen plasma generated copper/copper oxides nanoparticles

Wenping Hu, Michio Matsumura, Kazuaki Furukawa, Keiichi Torimitsu

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)


Oxygen-plasma-generated CuOx nanoparticles enhanced the carriers injection from indium-tin oxide (ITO) anode into organic materials. Atomic force microscopy images revealed that the CuOx nanoparticles appeared as high-ordered nanotip arrays on substrates. Those nanoparticles induced strong field-emission current. The analysis by X-ray diffraction pattern and Fourier transform infrared spectrum demonstrated that CuO x was actually of a mixture of copper and copper oxides (CuO, CuO2, CuO3, and CuO4).

Original languageEnglish
Pages (from-to)13116-13118
Number of pages3
JournalJournal of Physical Chemistry B
Issue number35
Publication statusPublished - 2004 Sept 2


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