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Study On The Preparation Of Dlc Films Deposited On Silver Nanoparticles And The Sensitivity Of Lspr Interface

Author

Listed:
  • DAN ZENG

    (Key Laboratory for Liquid–Solid Structural Evolution, and Processing of Materials (Ministry of Education), Shandong University, Jinan 250061, P. R. China)

  • NANYU MA

    (Key Laboratory for Liquid–Solid Structural Evolution, and Processing of Materials (Ministry of Education), Shandong University, Jinan 250061, P. R. China)

  • YUJIE HUANG

    (Key Laboratory for Liquid–Solid Structural Evolution, and Processing of Materials (Ministry of Education), Shandong University, Jinan 250061, P. R. China)

  • ZHENYI FEI

    (Key Laboratory for Liquid–Solid Structural Evolution, and Processing of Materials (Ministry of Education), Shandong University, Jinan 250061, P. R. China)

  • MUSEN LI

    (Key Laboratory for Liquid–Solid Structural Evolution, and Processing of Materials (Ministry of Education), Shandong University, Jinan 250061, P. R. China)

  • JUNWEI DI

    (College of Chemistry Chemical Engineering and Material Science, Soochow University, Suzhou 215123, P. R. China)

  • MIN WANG

    (Shandong University Industrial Group, Co. Ltd, South Shanda Road, Jinan 250100, P. R. China)

Abstract

Diamond-like carbon (DLC) films were deposited on the surface of silver nanoparticles (NPs) using two different sets of technology parameters by radio-frequency magnetron arc plasma enhanced chemical vapor deposition (PECVD) in this paper. The probe profilometer, SEM, AFM, Raman spectroscopy, XPS and UV–vis spectrophotometer were used to characterize the film thickness, microstructure, composition and sensing performance. Results showed that the basic vacuum degree had a greater influence on the properties of DLC films than that of RF forward power. The LSPR interface prepared in short time had sensing performance, but the sensitivity decreased with the thickness of DLC films increase. DLC films of higher sp3bonds content can slow down the decline rate of the sensitivity caused by increasing of the film thickness.

Suggested Citation

  • Dan Zeng & Nanyu Ma & Yujie Huang & Zhenyi Fei & Musen Li & Junwei Di & Min Wang, 2013. "Study On The Preparation Of Dlc Films Deposited On Silver Nanoparticles And The Sensitivity Of Lspr Interface," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 20(03n04), pages 1-8.
    • Handle: RePEc:wsi:srlxxx:v:20:y:2013:i:03n04:n:s0218625x13500248
    DOI: 10.1142/S0218625X13500248
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