Photo of Zachary Gray

Zachary Gray

Assistant Research Professor


  • Engineering Science and Mechanics
  • Center for Nanotechnology Education and Utilization





  • A.A.S., Nanofabrication Manufacturing Technology, 2007
  • B.S., Materials Science and Engineering, Penn State University, 2011
  • PhD, Materials Science and Engineering, Penn State, 2016


Journal Articles

  • Zachary Gray, , "Yi-xiao Liu, Z. Gray, et. Al. 3D Reconstruction of Bias Effects on Porosity, Alignment and Mesoscale Structure in Electrospun Tubular Polycaprolactone. Materials Science and Engineering C. (2021)."
  • Zachary Gray, , "• W. J. Nam, Z. Gray, J. Stayancho, V. Plotnikov, D. Kwon, S. Waggoner, D. V. Shenai-Khatkhate, M. Pickering, T. Okano, A. Compaan, and S. J. Fonash. ALD NiO Thin Films as a Hole Transport-Electron Blocking Layer Material for Photo-detector and Solar Cell Devices. ECS Trans. 66(1), 275 (2015)."
  • Zachary Gray, , "• W. J. Nam, J.-C. Dornstetter, M. Foldyna, P. Roca i Cabarrocas, Z. Gray, S. Waggoner, A.O. Cakmak, D. Neidich, and S. J. Fonash. Attaining 46% Utilization of the AM1.5G Photons Impinging per Area on a 400nm Thick nc-Si Cell Using Light Trapping Nanoelement-Arrays. The 31st EUPVSEC, 1315, (2015)."
  • Zachary Gray, , "• W. J. Nam, D. Fischer, Z. Gray, N. Nguyen, L. Ji, D. Neidich, and S. J. Fonash. 30% Increase in Available Photons per Cell Area Using Nanoelement Array Light Trapping in 700nm Thick nc-Si Solar Cells. IEEE J. Photovoltaics, 5(1), 28, (2015)."

Research Projects

Honors and Awards


Service to Penn State:

Service to External Organizations:




The Penn State Department of Engineering Science and Mechanics (ESM) is an internationally distinguished department that is recognized for its globally competitive excellence in engineering and scientific accomplishments, research, and educational leadership.

Our Engineering Science program is the official undergraduate honors program of the College of Engineering, attracting the University’s brightest engineering students. We also offer graduate degrees in ESM, engineering mechanics, engineering at the nano-scale, and an integrated undergraduate/graduate program.

Department of Engineering Science and Mechanics

212 Earth and Engineering Sciences Building

The Pennsylvania State University

University Park, PA 16802

Phone: 814-865-4523