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 Benjamin O. Tayo, Ph.D.

Benjamin O. Tayo, Ph.D.

Assistant Professor
Discipline/Specialization: Physics of carbon nanomaterials for optoelectronic applications
Department of Physics
Office: 302 Yates Hall
Phone: 620-235-4922

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Ph.D., Physics, Lehigh University, Bethlehem, Pennsylvania, U.S.A., September, 2012

M.Sc., Physics, ICTP & University of Trieste, Trieste, Italy, July, 2007

B.Sc., Physics and Computer Science, University of Buea, Buea, Cameroon, August, 2004


August 2013 - present:  Assistant Professor of Physics, Pittsburg State University (Pittsburg, Kansas)
May 2013 – June 2013:  Physics Instructor, Lehigh University
January 2013 - June 2013:  Lecturer, PHY 201: Introductory Physics Lab, Lehigh Carbon Community College (LCCC)
January 2013 - May 2013:  Grader/Teaching Assistant for Computational Physics (PHY380) and Engineering Electromagnetics (ECE203), Lehigh University
September 2012 – February 2013:  Visiting Research Scientist / Postdoctoral Fellow, Department of Electrical and Computer Engineering (ECE), Lehigh University

Courses Taught

Fall 2014

PHYS 104 Engineering Physics I
PHYS 131 College Physics Laboratory II
PHYS 591 Physics Project
PHYS 816 Quantum Mechanics

Spring 2014 (courses subject to change in Spring 2015)

PHYS 131 - College Physics II Labs
PHYS 740 - Advanced Topics:  Nanoscale Physics
PHYS 742 - Solid State Physics

Areas of Interest

Research Interests 
Many-body theory and computational modeling of the electronic and optical properties of carbon nanotubes, impurity scattering of excitons in semiconducting nanotubes, quantum physics of nanotube DNA hybrids. Band gap engineering of 2-D atomic crystals and graphene based semiconductors for optoelectronics and energy-related applications.

Computational material sciences for developing new materials to address energy efficiency and renewable energy technologies. Band gap engineering of nitride material for energy-efficient solid state lighting and solar cell applications, theory of Auger recombination in GaN-based semiconductors.

Professional Affiliations

2008 – Present: National Society of Black Physicists (NSBP)
2008 – Present: American Physical Society (APS)

Awards & Honors Received

  • Sherman-Fairchild Fellowship for Solid State Studies (2008 - 2010), Lehigh University
  • College of Arts and Science Travel Grant to APS March Meeting, 2010, Lehigh University
  • Lehigh University Forum Student Research Grant, 2009, Lehigh University
  • Lehigh University Research Assistantship (2008 - 2012), Lehigh University
  • Lehigh University Teaching Assistantship (2007- 2008), Lehigh University
  • ICTP-TRIL Fellowship, Training and Research in Italian Laboratories (TRIL), International Center for Theoretical Physics (ICTP), UNESCO, IAEA (2005 - 2007), ICTP-University of Trieste

Refereed Journal Publications

  1. B. O. Tayo and S. Sorella, “Exact Jastrow-Slater wave function for the one-dimensional Luttinger model”, Phys. Rev. B 78, 115117 (2008).
  2. B. O. Tayo and Slava V. Rotkin, “Charge impurity as a localization center for singlet excitons in single-walled nanotubes”, Phys. Rev. B 86, 125431 (2012).
  3. C. K. Tan, B. O. Tayo, J. Zhang, X. H. Li, G. Y. Liu, and N. Tansu, “First-Principle Electronic Properties of GaN1-xAsx Alloy for Visible Light Applications”, Journal of Display Technology, vol. 9, no. 4, pp. 272-279, April 2013.
  4. C. K. Tan, B. O. Tayo, J. Zhang, G. Y. Liu, and N. Tansu, “First-Principle Natural Band Alignment of Dilute-As GaNAs Alloy”, Journal of Applied Physics (submitted).

Conference Presentations

  1. B. O. Tayo and Slava V. Rotkin, “Excitons in DNA-wrapped single-walled nanotubes,” 2009 Joint Annual Conference of the National Society of Black Physicists and the National Society of Hispanic Physicists, Nashville, TN (USA).
  2. B. O. Tayo and Slava V. Rotkin, “Effect of Helical Perturbation on Exciton Binding Energy in Semiconducting Carbon Nanotubes,” 2009 APS March Meeting, Pittsburg, PA (USA).
  3. B. O. Tayo and Slava V. Rotkin, “Coulomb Effects in DNA-functionalized Single-Walled Carbon Nanotubes,” 2010 APS March meeting, Portland, OR (USA).
  4. B. O. Tayo and Slava V. Rotkin, “Exciton dynamics for single-walled carbon nanotubes in the presence of a single ion,” 2011 APS March Meeting, Dallas, TX (USA).
  5. C. K. Tan, B. O. Tayo, J. Zhang, G. Y. Liu, and N. Tansu, “Effect of Interband Energy Separation on the Interband Auger Processes in III-Nitride Semiconductors,” Proc. of the SPIE Photonics West 2013, San Francisco, CA, January 2013.