Microstructural and biological properties of nanocrystalline diamond coatings

R. J. Narayan, W. Wei, C. Jin, M. Andara, A. Agarwal, R. A. Gerhardt, Chun Che Shih, Chun Ming Shih, Shing Jong Lin, Yea Yang Su, R. Ramamurti, R. N. Singh

研究成果: 雜誌貢獻文章

51 引文 (Scopus)

摘要

In this study, the microstructural, mechanical, adhesion, and hemocompatibility properties of nanocrystalline diamond coatings were examined. Microwave plasma chemical vapor deposition (MPCVD) was used to deposit nanocrystalline diamond coatings on silicon (100) substrates. The coating surface consisted of faceted nodules, which exhibited a relatively wide size distribution and an average size of 60 nm. High-resolution transmission electron microscopy demonstrated that these crystals were made up of 2-4 nm rectangular crystallites. Raman spectroscopy and electron diffraction revealed that the coating contained both crystalline and amorphous phases. The microscratch adhesion study demonstrated good adhesion between the coating and the underlying substrate. Scanning electron microscopy and energy dispersive X-ray analysis revealed no crystal, fibrin, protein, or platelet aggregation on the surface of the platelet rich plasma-exposed nanocrystalline diamond coating. This study suggests that nanocrystalline diamond is a promising coating for use in cardiovascular medical devices.
原文英語
頁(從 - 到)1935-1940
頁數6
期刊Diamond and Related Materials
15
發行號11-12 SPEC. ISS.
DOIs
出版狀態已發佈 - 十一月 2006

指紋

Diamond
Diamonds
diamonds
coatings
Coatings
adhesion
Adhesion
Platelets
platelets
fibrin
Plasmas
Crystals
Energy dispersive X ray analysis
nodules
Silicon
Substrates
High resolution transmission electron microscopy
Fibrin
Crystallites
Electron diffraction

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry
  • Surfaces, Coatings and Films
  • Surfaces and Interfaces

引用此文

Narayan, R. J., Wei, W., Jin, C., Andara, M., Agarwal, A., Gerhardt, R. A., ... Singh, R. N. (2006). Microstructural and biological properties of nanocrystalline diamond coatings. Diamond and Related Materials, 15(11-12 SPEC. ISS.), 1935-1940. https://doi.org/10.1016/j.diamond.2006.08.024

Microstructural and biological properties of nanocrystalline diamond coatings. / Narayan, R. J.; Wei, W.; Jin, C.; Andara, M.; Agarwal, A.; Gerhardt, R. A.; Shih, Chun Che; Shih, Chun Ming; Lin, Shing Jong; Su, Yea Yang; Ramamurti, R.; Singh, R. N.

於: Diamond and Related Materials, 卷 15, 編號 11-12 SPEC. ISS., 11.2006, p. 1935-1940.

研究成果: 雜誌貢獻文章

Narayan, RJ, Wei, W, Jin, C, Andara, M, Agarwal, A, Gerhardt, RA, Shih, CC, Shih, CM, Lin, SJ, Su, YY, Ramamurti, R & Singh, RN 2006, 'Microstructural and biological properties of nanocrystalline diamond coatings', Diamond and Related Materials, 卷 15, 編號 11-12 SPEC. ISS., 頁 1935-1940. https://doi.org/10.1016/j.diamond.2006.08.024
Narayan RJ, Wei W, Jin C, Andara M, Agarwal A, Gerhardt RA 等. Microstructural and biological properties of nanocrystalline diamond coatings. Diamond and Related Materials. 2006 11月;15(11-12 SPEC. ISS.):1935-1940. https://doi.org/10.1016/j.diamond.2006.08.024
Narayan, R. J. ; Wei, W. ; Jin, C. ; Andara, M. ; Agarwal, A. ; Gerhardt, R. A. ; Shih, Chun Che ; Shih, Chun Ming ; Lin, Shing Jong ; Su, Yea Yang ; Ramamurti, R. ; Singh, R. N. / Microstructural and biological properties of nanocrystalline diamond coatings. 於: Diamond and Related Materials. 2006 ; 卷 15, 編號 11-12 SPEC. ISS. 頁 1935-1940.
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AU - Gerhardt, R. A.

AU - Shih, Chun Che

AU - Shih, Chun Ming

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AB - In this study, the microstructural, mechanical, adhesion, and hemocompatibility properties of nanocrystalline diamond coatings were examined. Microwave plasma chemical vapor deposition (MPCVD) was used to deposit nanocrystalline diamond coatings on silicon (100) substrates. The coating surface consisted of faceted nodules, which exhibited a relatively wide size distribution and an average size of 60 nm. High-resolution transmission electron microscopy demonstrated that these crystals were made up of 2-4 nm rectangular crystallites. Raman spectroscopy and electron diffraction revealed that the coating contained both crystalline and amorphous phases. The microscratch adhesion study demonstrated good adhesion between the coating and the underlying substrate. Scanning electron microscopy and energy dispersive X-ray analysis revealed no crystal, fibrin, protein, or platelet aggregation on the surface of the platelet rich plasma-exposed nanocrystalline diamond coating. This study suggests that nanocrystalline diamond is a promising coating for use in cardiovascular medical devices.

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