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Fundamental and Computational Sciences Directorate

Staff information

Birgit

Birgit Schwenzer

Multiscale Synthesis
Chemist

Research Interests

  • Synthesis and characterization of inorganic structures, composite materials and organometallic compounds
  • Structure-property relationship investigations for inorganic nano- and microstructures

Education and Credentials

  • Ph.D. (Dr. rer. nat.), Chemistry, Universit├Ąt Konstanz, Germany, 2002
  • M.S., Chemistry, University of Massachusetts, Amherst, MA, 1998

Affiliations and Professional Service

PNNL Publications

2016

  • Gao F., J. Szanyi, Y. Wang, B. Schwenzer, M. Kollar, and C.H. Peden. 2016. "Hydrothermal aging effects on Fe/SSZ-13 and Fe/beta NH3-SCR catalysts." Topics in Catalysis 59, no. 10:882-886. PNNL-SA-111293. doi:10.1007/s11244-016-0563-5
  • Gao F., Y. Zheng, R.K. Kukkadapu, Y. Wang, E.D. Walter, B. Schwenzer, and J. Szanyi, et al. 2016. "Iron loading effects in Fe/SSZ-13 NH3-SCR catalysts: nature of the Fe-ions and structure-function relationships." ACS Catalysis 6, no. 5:2939-2954. PNNL-SA-113591. doi:10.1021/acscatal.6b00647
  • Levitskaia T.G., S. Chatterjee, B.W. Arey, E.L. Campbell, Y. Hong, L. Kovarik, and J.M. Peterson, et al. 2016. "RedOx-Controlled Sorption of Iodine Anions by Hydrotalcite Composites." RSC Advances 6, no. 79:76042-76055. PNNL-SA-115759. doi:10.1039/c6ra13092e
  • Schwenzer B., T.C. Kaspar, Y. Shin, and D.W. Gotthold. 2016. "Spectroscopic study of graphene oxide membranes exposed to ultraviolet light." Journal of Physical Chemistry C 120, no. 23:12559-12567. PNNL-SA-116704. doi:10.1021/acs.jpcc.6b03033
  • Shin Y., W. Liu, B. Schwenzer, S. Manandhar, D.G. Chase-Woods, M.H. Engelhard, and R. Devanathan, et al. 2016. "Graphene oxide membranes with high permeability and selectivity for dehumidification of air." Carbon 106. PNNL-SA-112915. doi:10.1016/j.carbon.2016.05.023

2015

  • Fifield L.S., M.P. Westman, A. Zwoster, and B. Schwenzer. 2015. Assessment of Cable Aging Equipment, Status of Acquired Materials, and Experimental Matrix at the Pacific Northwest National Laboratory. PNNL-24198. Richland, WA: Pacific Northwest National Laboratory.
  • Lee Y., L. Huang, H. Wang, M.L. Sushko, B. Schwenzer, I.A. Aksay, and J. Liu. 2015. "Structural rearrangement and dispersion of functionalized graphene sheets in aqueous solutions." Colloids and Interface Science Communications 8. PNNL-SA-113083. doi:10.1016/j.colcom.2015.12.002
  • Schwenzer B., L. Cosimbescu, V.A. Glezakou, A.J. Karkamkar, Z. Wang, and R.S. Weber. 2015. "Use of Solvatochromism to Assay Preferential Solvation of a Prototypic Catalytic Site." Topics in Catalysis 58, no. 4-6:258-270. PNNL-SA-101069. doi:10.1007/s11244-015-0367-z

2014

  • Kerisit S.N., B. Schwenzer, and M. Vijayakumar. 2014. "Effects of Oxygen-Containing Functional Groups on Supercapacitor Performance." Journal of Physical Chemistry Letters 5, no. 13:2330-2334. PNNL-SA-102736. doi:10.1021/jz500900t
  • Schwenzer B., S.N. Kerisit, and M. Vijayakumar. 2014. "Anion pairs in room temperature ionic liquids predicted by molecular dynamics simulation, verified by spectroscopic characterization." RSC Advances 4, no. 11:5457-5460. PNNL-SA-99013. doi:10.1039/C3RA46069J
  • Vijayakumar M., B. Schwenzer, V. Shutthanandan, J.Z. Hu, J. Liu, and I.A. Aksay. 2014. "Elucidating graphene - Ionic Liquid interfacial region: a combined experimental and computational study." Nano Energy 3. PNNL-SA-87010. doi:10.1016/j.nanoen.2012.09.014

2013

  • Liu J., J. Zhang, Z. Yang, J.P. Lemmon, C.H. Imhoff, G.L. Graff, and L. Li, et al. 2013. "Materials Science and Materials Chemistry for Large Scale Electrochemical Energy Storage: From Transportation to Electrical Grid." Advanced Functional Materials 23, no. 8:929-946. PNNL-SA-87308. doi:10.1002/adfm.201200690
  • Vilayur Ganapathy S., M.I. Nandasiri, A.G. Joly, P.Z. El-Khoury, T. Varga, G.W. Coffey, and B. Schwenzer, et al. 2013. "Silver nanorod arrays for photocathode applications." Applied Physics Letters 103, no. 16:Article No. 161112. PNNL-SA-97756. doi:10.1063/1.4825262
  • Xiao L., Y. Cao, J. Xiao, B. Schwenzer, M.H. Engelhard, L.V. Saraf, and Z. Nie, et al. 2013. "Molecular Structures of Polymer/Sulfur Composites for Lithium-Sulfur Batteries with Long Cycle Life." Journal of Materials Chemistry A 1, no. 33:9517-9526. PNNL-SA-94574. doi:10.1039/C3TA10865A

2012

  • Cao Y., L. Xiao, M.L. Sushko, W. Wang, B. Schwenzer, J. Xiao, and Z. Nie, et al. 2012. "Sodium Ion Insertion in Hollow Carbon Nanowires for Battery Applications." Nano Letters 12, no. 7:3783-3787. PNNL-SA-88364. doi:10.1021/nl3016957
  • Schwenzer B., L. Wang, J.S. Swensen, A.B. Padmaperuma, G. Silverman, R. Korotkov, and D.J. Gaspar. 2012. "Tuning the Optical Properties of Mesoporous TiO2 Films by Nanoscale Engineering." Langmuir 28, no. 26:10072-10081. PNNL-SA-82922. doi:10.1021/la301450h
  • Tian J., L.V. Saraf, B. Schwenzer, S.M. Taylor, E.K. Brechin, J. Liu, and S.J. Dalgarno, et al. 2012. "Selective Metal Cation Capture by Soft Anionic Metal-Organic Frameworks via Drastic Single-Crystal-to-Single-Crystal Transformations." Journal of the American Chemical Society 134, no. 23:9581-9584. PNNL-SA-86383. doi:10.1021/ja303092m
  • Vijayakumar M., B. Schwenzer, S. Kim, Z. Yang, S. Thevuthasan, J. Liu, and G.L. Graff, et al. 2012. "Investigation of Local Environments in Nafion-SiO2 Composite Membranes used in Vanadium Redox Flow Batteries." Solid State Nuclear Magnetic Resonance 42. PNNL-SA-80357. doi:10.1016/j.ssnmr.2011.11.005
  • Xiao L., Y. Cao, J. Xiao, B. Schwenzer, M.H. Engelhard, L.V. Saraf, and Z. Nie, et al. 2012. "A Soft Approach to Encapsulate Sulfur: Polyaniline Nanotubes for Lithium-Sulfur Batteries with Long Cycle Life." Advanced Materials 24, no. 9:1176-1181. PNNL-SA-85186. doi:10.1002/adma.201103392

2011

  • Kim S., T.B. Tighe, B. Schwenzer, J. Yan, J. Zhang, J. Liu, and Z. Yang, et al. 2011. "Chemical and Mechanical Degradation of Sulfonated Poly(sulfone) Membranes in Vanadium Redox Flow Batteries." Journal of Applied Electrochemistry 41, no. 10:1201-1213. PNNL-SA-76985. doi:10.1007/s10800-011-0313-0
  • Li X., Y. Cao, W.N. Qi, L.V. Saraf, J. Xiao, Z. Nie, and J. Mietek, et al. 2011. "Optimization of mesoporous carbon structures for lithium-sulfur battery applications." Journal of Materials Chemistry 21, no. 41:16603-16610. PNNL-SA-80584. doi:10.1039/C1JM12979A
  • Schwenzer B., J. Zhang, S. Kim, L. Li, J. Liu, and Z. Yang. 2011. "Membrane Development for Vanadium Redox Flow Batteries." ChemSusChem 4, no. 10:1388 - 1406. PNNL-SA-77561. doi:10.1002/cssc.201100068
  • Schwenzer B., S. Kim, M. Vijayakumar, Z. Yang, and J. Liu. 2011. "Correlation of Structural Differences between Nafion/Polyaniline and Nafion/Polypyrrole Composite Membranes and Observed Transport Properties." Journal of Membrane Science 372, no. 1-2:11-19. PNNL-SA-76269. doi:10.1016/j.memsci.2011.01.025
  • Vijayakumar M., B.M. Sivakumar, P. Nachimuthu, B. Schwenzer, S. Kim, Z. Yang, and J. Liu, et al. 2011. "Spectroscopic Investigations of the Fouling Process on Nafion Membranes in Vanadium Redox Flow Batteries." Journal of Membrane Science 366, no. 1-2:325-334. PNNL-SA-73754. doi:10.1016/j.memsci.2010.10.018
  • Zhang J., L. Li, Z. Nie, B. Chen, M. Vijayakumar, S. Kim, and W. Wang, et al. 2011. "Effects of additives on the stability of electrolytes for all-vanadium redox flow batteries." Journal of Applied Electrochemistry 41, no. 10 - Special Issue S1:1215-1221. PNNL-SA-76986. doi:10.1007/s10800-011-0312-1

2010

  • Kim S., J. Yan, B. Schwenzer, J. Zhang, L. Li, J. Liu, and Z. Yang, et al. 2010. "Cycling performance and efficiency of sulfonated poly(sulfone) membranes in vanadium redox flow batteries." Electrochemistry Communications 12, no. 11:1650-1653. PNNL-SA-74853. doi:10.1016/j.elecom.2010.09.018

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