Robert Meulenberg

Associate Professor of Physics

Address: 5708 ESRB-Barrows, Room 251
Telephone: 207.581.2245
Email: robert.meulenberg@maine.edu

Education:

  • 2002 Ph.D., University of California, Santa Barbara
  • 1998  B.S., Florida State University

Research Interests:

  • Electronic structure of nanoscale materials
  • Surface and interfacial physics of nanostructures
  • Novel materials for alternative energy applications
  • Magnetometry and magnetic materials
  • Synchrotron radiation (x-ray absorption, photoemission, and emission)

Affiliated Research Links:

Research sponsors:

Photo of NSF logoPhoto of DOE LogoLogo Sandia National Labs

 

Recent Publications:

B. Shakeri, R.W. Meulenberg, “A closer look into the traditional purification process of CdSe semiconductor quantum dots.” submitted to Langmuir September 2015.

M. E. Foley, R. W. Meulenberg, J. McBride, G. F. Strouse, “Eu3+ Doped ZnM2O4 (M = Al3+, Ga3+) Nanospinels, an efficient Red Phosphor.” submitted to Chem. Mater.September 2015.

C. Apblett, D. M. Stewart, R. T. Fryer, J. C. Sell, H. D. Pratt III, T. M. Anderson, R. W. Meulenberg, “In situ XANES and EXAFS Analysis of Redox Active Fe Center Ionic Liquids.” Electrochim. Acta, accepted September 2015.  DOI: 10.1016/j.electacta.2015.09.093

D. M. Stewart, R. W. Meulenberg, R. J. Lad, “Nanostructure and Bonding of Zirconium Diboride Thin Films by x-ray Absorption Spectroscopy.” Thin Solid Films, accepted July 2015.  DOI: 10.1016/j.tsf.2015.06.063

C. Brown, J. Krzystek, R. Achey, R. Fu, R. W. Meulenberg, M. Polinski, N. Peek, Y. Wang, B. van de Burgt, S. Profeta, Jr., A. E. Stiegman, S. L. Scott, “Mechanism of Initiation in the Phillips’ Ethylene Polymerization Catalyst: Redox Processes Leading to the Active Site.”  ACS Catal., 5, 5574–5583 (2015). DOI: 10.1021/acscatal.5b00927

J. T. Wright, D. Su, T. van Buuren, R. W. Meulenberg.  “Electronic Structure of Cobalt Doped CdSe Quantum Dots Using Soft X-ray Spectroscopy.” J. Mater. Chem. C 2, 8313-8321 (2014). DOI: 10.1039/C4TC01324G

J. T. Wright, S. Lawson, R. W. Meulenberg, “The Interplay of Particle Size and Doping Concentration on the Electronic Structure of Doped Quantum Dots.”  ECS Trans., 61, 39-46 (2014). DOI: 10.1149/06105.0039ecst

B. Shakeri, R. W. Meulenberg,“Correlation of Surface Composition to Optical Properties of CdSe Nanocrystals.ECS Trans., 61, 229-235 (2014). DOI: 10.1149/06105.0229ecst

C. Newman, X. Zhou, B. Goundie, I. T. Ghampson, R. A. Pollock, Z. Ross, M. C. Wheeler, R. W. Meulenberg, R. N. Austin, B. G. Frederick, “Effects of support identity and metal dispersion in supported ruthenium hydrodeoxygenation catalysts.”  Appl. Catal. A 477, 64-74 (2014).  DOI: 10.1016/j.apcata.2014.02.030

J. R. I. Lee, M. Bagge-Hansen, T. M. Willey, R. W. Meulenberg, M. H. Nielsen, I. C. Tran, T. van Buuren, “X-ray Absorption Spectroscopy for the Structural Investigation of Self-Assembled-Monolayer-Directed Mineralization.”  Meth. Enzymol.532, 165-187 (2013).  DOI: 10.1016/B978-0-12-416617-2.00008-4

J. T. Wright, R. W. Meulenberg, “Effects of dopants on the band structure of quantum dots: A theoretical and experimental study.” Phys. Rev. B 88, 045432 (2013).  DOI: 10.1103/PhysRevB.88.045432

J. T. Wright, R. W. Meulenberg, “Modification of the conduction band edge energy via hybridization in quantum dots.Appl. Phys. Lett., 101, 193104 (2012).  DOI: 10.1063/1.4766289

J. R. I. Lee, H. D. Whitley, R. W. Meulenberg, A. Wolcott, J. Z. Zhang, D. Prendergast, D. D. Lovingood, G. F. Strouse, T. Ogitsu, E. Schwegler, L. J. Terminello, T. van Buuren, “Ligand-Mediated Modification of the Electronic Structure of CdSe Quantum Dots.Nano Lett., 12, 2763-2767 (2012).  DOI: 10.1021/nl300886h

W. Zheng, K. Singh, Z. X. Wang, J. T. Wright, J. van Tol, N. S. Dalal, R. W. Meulenberg, G.F. Strouse, “Evidence of a ZnCr2Se4 Spinel Inclusion at the Core of a Cr-Doped ZnSe Quantum Dot.J. Am. Chem. Soc., 134, 5577-5585 (2012).  DOI:10.1021/ja210285p

R. W. Meulenberg, T. M. Willey, J. R. I. Lee, L. J. Terminello, T. van Buuren, “Erbium doping effects on the conduction band edge in germanium nanocrystals.”  Appl. Phys. Lett., 98, 203107 (2011).   DOI: 10.1063/1.3592999

I. T. Ghampson, C. Newman, L. Kong, E. Pier, K. D. Hurley, R. A. Pollock, B. R. Walsh, B. Goundie, J. Wright, M. C. Wheeler, R. W. Meulenberg, W. J. DeSisto, B. G. Frederick, R. N. Austin, “Effects of pore diameter on particle size, phase, and turnover frequency in mesoporous silica supported cobalt Fischer-Tropsch catalysts.Appl. Catal. A 388,  57-67 (2010).  DOI:10.1016/j.apcata.2010.08.028

R. W. Meulenberg, J. R. I. Lee, S. K. McCall, K. M. Hanif, D. Haskel, J. C. Lang, L. J. Terminello, T. van Buuren, “Evidence for Ligand-Induced Paramagnetism in CdSe Quantum Dots.J. Am. Chem. Soc., 131, 6888-6889 (2009).  DOI:10.1021/ja8098454

R. W. Meulenberg, J. R. I. Lee, A. Wolcott, J. Z. Zhang, L. J. Terminello, T. van Buuren, “Determination of the Exciton Binding Energy in CdSe Quantum Dots.ACS Nano, 3, 325-330 (2009).  DOI: 10.1021/nn8006916

Updated: November 2015