Sarah J. Sobeck (Schmidtke)

Sarah J. Sobeck (Schmidtke)

Associate Professor of Chemistry, Physical

Department/Affiliation: Chemistry
Phone: 330-263-2359
Office Address: 222 Severance


  • B.S., Marquette University, Chemistry and Mathematics, 2000
  • Ph.D., University of Minnesota, Physical Chemistry, 2005

Area of Research

  • Photochemistry
  • Spectroscopy
  • Chemical kinetics
  • Computational chemistry
  • Cultural Heritage

Courses Taught

  • CHEM 101: Chemistry and the World in Which We Live
  • CHEM 111: Introductory Chemistry
  • CHEM 112: Principles of Chemistry
  • CHEM 318: Physical Chemistry I
  • CHEM 319: Physical Chemistry II
  • CHEM 334: Biophysical Chemistry
  • CHEM 401: Introduction to Independent Study

I.S. Projects

  • Jacob Boroff:  An In-Depth Analysis of the Photophysical Properties of para-Aminobenzoic Acid and 4-Dimethylaminobenzoic Acid
  • Leah Bowers: Photochemical Degradation of the Carmine Dye Molecule in Artist Media
  • Norman Chamusah:  Multi-Dimensional Ising Model Based Graphical User-Interface Simulator

Professional Memberships

  • American Chemical Society (ACS)
  • Inter-American Photochemical Society (I-APS)


*Asterisk denotes Wooster student co-author

  • Jacob A. Boroff*, Zachery D. Matesich*, Daniela Canache Stuetzer*, Sarah J. Schmidtke Sobeck; "Solvent impact on the photophysical properties and escited state behavior of p-aminobenzoic acids." Journal of Photochemistry and Photobiology A: Chemistry, 2015, 305, 60-66.
  • Elisa Leyva, Sarah J. Schmidtke Sobeck, Silvia E. Loredo-Carrillo, Diego A. Magaldi-Lara; "Spectral and structural characterization of 2-(fluorophenylamino)- and 2-(nitrophenylamino)-1,4-naphthoquinone derivatives." Journal of Molecular Structure, 2014, 1068, 1-7.
  • Sarah J. Schmidtke Sobeck; "Solvent Effects on Electronic Absorption: Positive and Negative Solvatochromism." Chemical Educator, 2013, 18, 009-103.
  • Mitchell P. Thayer*, Colin McGuyire*, Elana M. S. Stennett*, Mary Kate Lockhart*, Daniela Canache*, Marnie Novak*, and Sarah J. Schmidtke; "pH-Dependent Spectral Properties of para-Aminobenzoic Acid and its Derivatives." Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2011, 84, 227-232.
  • Brandi M. Baughman*, Elana Stennett*, Rachel E. Lipner*, Andrew C. Rudawsky*, and Sarah J. Schmidtke; "Structural and Spectroscopic Studies of the Photophysical Properties of Benzophenone Derivatives." J. Phys. Chem. A, 2009, 113(28), 8011-8019.
  • Sarah J. Schmidtke, Ph.D. Dissertation, "Physical Properties and Dynamics of Hydrogen Bonding and Proton Transfer Compounds." University of Minnesota, 2005.
  • Sarah J. Schmidtke, David F. Underwood, and David A. Blank. "Probing excited-state dynamics and intramolecular proton transfer in 1-acylaminoanthraquinones via the intermolecular solvent response." J. Phys. Chem. A, 2005, 109(32), 7033-7045.
  • Sarah J. Schmidtke, David F. Underwood, and David A. Blank. "Following the solvent directly during ultrafast excited state proton transfer." J. Am. Chem. Soc., 2004, 126(28), 8620-8621.
  • Sarah J. Schmidtke, Laura A. MacManus-Spencer, Jamie J. Klappa, T. A. Mobley, Kristopher McNeill, and David A. Blank. "2-(2'-Pyridyl)pyrroles: Part I. Structure and energetics of Pyridylpyrroles, their Dimers, Complexes and Excited States." Phys. Chem. Chem. Phys., 2004, 6(15), 3938-3947.