Department of Physics

Dr. P. K. Babu

Dr. P. K. Babu Associate Professor, Department of Physics
Pre-engineering Program Coordinator
Office Location: Currens Hall 426
Phone Number: (309) 298-2743
Personal Web Page:


  • Ph.D. – Indian Institute of Science, Bangalore, India, 1995


  • PHYS 211 - University Physics I
  • PHYS 212 - University Physics II
  • PHYS 421 - Electricity & Magnetism II
  • PHYS 431 - Quantum Mechanics II
  • PHYS 530 - Quantum Mechanics I
  • PHYS 560 - Topics in Solid State Physics

Research Interests

  • Synthesis of glasses containing metal, alloy and semiconducting nanoparticles.
  • Study of the optical properties of nanoparticles confined in dielectric media.
  • Investigating quantum size effects on surface plasmon resonance using optical absorption.
  • Tuning the fluorescence properties of rare-earth nanoparticles embedded in glass matrices.

Selected Publications

  • "Compositional dependence of optical band gap and refractive index in lead and bismuth borate glasses" Saisudha B. Mallur, Tyler Czarnecki, Ashish Adhikari, Panakkattu K. Babu, Materials Research Bulletin 68 (2015) 27–34
  • J. H. Choi, C.M. Johnston, D. X. Cao, P. K. Babu, P. Zelenay, “Se-modified Ru nanoparticles as ORR catalysts ”, J. Electroanalytical. Chem., 662 (2011) 267.
  • M. J. –F. Guinel, A. Bonakdarpour, B. Wang, P. K. Babu, F. Ernst, N. Ramaswamy, S. Mukherjee, A. Wieckowski, “Carbon-supported, Selenium-modified Ruthenium-Molybdenum catalysts for oxygen reduction in acidic media”, ChemSusChem. 2 (2009) 658.
  • “Selenium becomes metallic in Ru-Se fuel cell catalysts: An EC-NMR and XPS investigation”, P. K. Babu, A. Lewera, J,-H. Chung, R. Hunger, W. Jaegermann, N. Alonso-Vante, A. Wieckowski, E. Oldfield, J. Am. Chem. Soc. 129 (2007) 15140.
  • “C-13 NMR spectroscopy of carbon nanohorns”, H. Imai, P. K. Babu, E. Oldfield, A. Wieckowski, D. Kasuya, T. Azami, Y. Shimakawa, M. Yudasaka, Y. Kubo, S. Ijima, Phys. Rev. B 73 (2006) 125405.
  • “An NMR determination of CO diffusion on platinum electrocatalysts”, T. Kobayashi, P. K. Babu, L. Gancs, J.–H. Chung, E. Oldfield, A. Wieckowski, J. Am. Chem. Soc. 127 (2005) 14164.
  • “Bonding and motional aspects of CO adsorbed on the surface of Pt nanoparticles decorated with Pd”, P. K. Babu, H.-S. Kim, J.-H. Chung, E. Oldfield, A. Wieckowski, J. Phys. Chem. B 108 (2004) 20228.
  • “Peak effect in the superconducting mixed state of bulk Mo-Re alloys: a dc magnetization study”, S. Chaudhary, S. B. Roy, P. Chaddah, P. K. Babu, R. Nagarajan, L. C. Gupta, Phil. Mag. B 80 (2000) 1393.