Enhanced electron field emission from ZnO nanoparticles-embedded DLC films prepared by electrochemical deposition |
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| Affiliation: | 1. Institute of Advanced Materials and Technology, University of Science and Technology Beijing, Beijing, PR China;2. National Key Laboratory of ASIC, Hebei Semiconductor Research Institute, Shijiazhuang, PR China;1. Department of Power Mechanical Engineering, National Tsing Hua University, 30013 Hsinchu, Taiwan;2. Department of Industrial Engineering and Engineering Management, National Tsing Hua University, 30013 Hsinchu, Taiwan;1. Division of Biomedical Engineering and Functional Materials, Lodz University of Technology, Institute of Materials Science and Engineering, 1/15 Stefanowskiego St., 90-924 Lodz, Poland;2. Division of Coatings Engineering and Non-metallic Materials, Lodz University of Technology, Institute of Materials Science and Engineering, 1/15 Stefanowskiego St., 90-924 Lodz, Poland;3. Division of Biophysics, Lodz University of Technology, Institute of Materials Science and Engineering, 1/15 Stefanowskiego St., 90-924 Lodz, Poland;1. Bülent Ecevit University, Department of Electrical and Electronics Engineering, Zonguldak, Turkey;2. Tunceli University, Department of Metallurgical and Materials Engineering, Tunceli, Turkey;3. Sakarya University, Department of Metallurgical and Materials Engineering, Sakarya, Turkey;4. Bülent Ecevit University, Department of Metallurgical and Materials Engineering, Zonguldak, Turkey;5. Yıldırım Beyazıt University, Department of Materials Engineering, Ankara, Turkey;6. Gaziosmanpaşa University, Department of Physics, Tokat, Turkey |
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| Abstract: | ZnO nanoparticles-embedded diamond-like amorphous (DLC) carbon films have been prepared by electrochemical deposition. Transmission electron microscopy (TEM) and high-resolution TEM (HRTEM) results confirm that the embedded ZnO nanoparticles are in the wurtzite structure with diameters of around 4 nm. Based on Raman measurements and atomic force microscope (AFM) results, it has been found that ZnO nanoparticles embedding could enhance both graphitization and surface roughness of DLC matrix. Also, the field electron emission (FEE) properties of the ZnO nanoparticles-embedded DLC film were improved by both lowering the turn-on field and increasing the current density. The enhancement of the FEE properties of the ZnO-embedded DLC film has been analyzed in the context of microstructure and chemical composition. |
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