Jeffrey Hettinger

  • 1652 Citations
  • 21 h-Index
1989 …2018

Research output per year

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Personal profile

Research interests

Research Expertise: 
Thin Film Synthesis | Materials Characterization | Materials Processing

My current research includes:
Broad spectrum bactericidal coatings are focused on silver-eluting coatings and the control of the elution rates. These coatings are synthesized by the sputtering of silver in an oxygen-rich reactive environment forming highly soluble silver oxide coatings with excellent adhesion to surfaces with bactericidal silver-ion elution rates much higher than nanoparticle silver.

Carbide-derived carbon (CDC) is a porous carbon material with a very narrow pore-size distribution. This material is synthesized by extracting reactive metals from binary or ternary carbides creating a coordinated network of mesoscopic pores. The pore-size distribution is influenced by the method used for extraction and parameters (temperature, reactive gas  ow rate, etc.) used in the conversion. Our group has investigated the role of pre-cursor crystal structure on the ultimate performance of the CDC in a double layer capacitor.

The role of microstructure and composition in determining the performance of neuro-stimulation electrode coating materials has been investigated. The goal of this work is to optimize the charge transfer rate between the charge carriers in the coating and ionic charge in solution. The microstructure can be adjusted by adjusting the substrate, the substrate surface roughness and the coating deposition parameters.

Experiment Techniques:
Sputtering, optical lithography, XRD, RIE, SEM, AFM, FIB, EDS, WDXRF, specific heat, thermal transport, electrical transport, magnetization and magnetic susceptibility.

Member of:
Materials Research Society
American Physical Society
Society of Vacuum Coaters

Education/Academic qualification

Bachelor of Arts, Bachelor

Master of Arts, Master, Boston University

Doctor of Philosophy, doctorate, Boston University

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Projects

Research Output

  • 1652 Citations
  • 21 h-Index
  • 55 Article
  • 3 Letter
  • 1 Conference contribution
  • 1 Conference article

Electrochemical oxidation of metal carbides in aqueous solutions

Messner, M., Walczyk, D. J., Benjamin, G. P., Norris, Z. A., Taylor, G., Carroll, J., Pham, T. X., Hettinger, J. D. & Yu, L., Jan 1 2018, In : Journal of the Electrochemical Society. 165, 4, p. H3107-H3114

Research output: Contribution to journalArticle

  • 7 Scopus citations

    Electrochemical oxidation of niobium and tantalum carbides in aqueous solutions

    Walczyk, D. J., Mason, D. F., Palazzo, B. G., Norris, Z. A., McRae, N., Tran, A. T., Hettinger, J. & Yu, L., Jan 1 2017, Selected Proceedings from the 231st ECS Meeting New Orleans, LA - Spring 2017. 11 ed. Electrochemical Society Inc., Vol. 77. p. 1599-1606 8 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  • Evolution of magnetism in LnCuGa3 (Ln = La–Nd, Sm–Gd) studied via μSR and specific heat

    Graf, M. J., Hettinger, J. D., Nemeth, K., Dally, R., Baines, C., Subbarao, U. & Peter, S. C., Dec 15 2017, In : Journal of Magnetism and Magnetic Materials. 444, p. 236-242 7 p.

    Research output: Contribution to journalArticle

  • Silver oxide coatings with high silver-ion elution rates and characterization of bactericidal activity

    Goderecci, S. S., Kaiser, E., Yanakas, M., Norris, Z., Scaturro, J., Oszust, R., Medina, C. D., Waechter, F., Heon, M., Krchnavek, R. R., Yu, L., Lofland, S. E., Demarest, R. M., Caputo, G. A. & Hettinger, J. D., Sep 2017, In : Molecules. 22, 9, 1487.

    Research output: Contribution to journalArticle

  • 9 Scopus citations

    Carbide-derived Carbon by electrochemical etching of vanadium carbides

    Camargo, L. G. B., Palazzo, B. G., Taylor, G., Norris, Z. A., Patel, Y. K., Hettinger, J. D. & Yu, L., 2015, In : Journal of the Electrochemical Society. 162, 10, p. H811-H815

    Research output: Contribution to journalArticle

  • 11 Scopus citations