Robert W. Meulenberg

Robert W. Meulenberg

Associate Professor of Physics

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

Office: 251 ESRB

Phone: 207-581-2245

EMail: robert<dot>meulenberg<at>maine<dot>edu

 

On leave, 2020-2022 academic years.

Not accepting any new graduate students.

 

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:

• Member of the Laboratory for Surface Science and Technology (LASST)
• National Synchrotron Light Source
• Advanced Photon Source
• Advanced Light Source

Research sponsors:

                    

Recent Publications:

B. Shakeri, R.W. Meulenberg, “A closer look into the traditional purification process of CdSe semiconductor quantum dots.” Langmuir, 31, 13433-13440 (2015).  DOI: 10.1021/acs.langmuir.5b03584

M. E. Foley, R. W. Meulenberg, J. McBride, G. F. Strouse, “Eu3+ Doped ZnM2O4 (M = Al3+, Ga3+) Nanospinels, an efficient Red Phosphor.” Chem. Mater., 27, 8362-8374 (2015).  DOI: 10.1021/acs.chemmater.5b03789

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, 185, 156-161 (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, 596, 155-159 (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

• Highlighted on ChemistryViews.org: On the Dot

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

• Highlighted in Nature: “Mini Magnets”, Nature, 459, 302-303 (2009).

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