Dr. Hal Van Ryswyk

Professional Background 
2007-2008  Visiting Scholar, International Institute for Nanotechnology, Northwestern University
1999-2000  Visiting Scientist, Stanford University
1998-         Professor of Chemistry, Harvey Mudd College
1992-98     Associate Professor of Chemistry, Harvey Mudd College
1992-93     Visiting Associate Professor of Chemistry, M.I.T.
1986-92     Assistant Professor of Chemistry, Harvey Mudd College

Education
• B.A. Chemistry, Carleton College
• Ph.D. Chemistry, University of Wisconsin-Madison

Professional Societies
• American Chemical Society
• Materials Research Society
• The Electrochemical Society
• The Society for Electroanalytical Chemistry
• Council on Undergraduate Research

Research Interests

Relevant Publications
(*Denotes undergraduate coauthor)

Jensen, Rebecca A.; Van Ryswyk, Hal; She, Chunxing; Szarkok, Jodi M.; Chen, Lin X.; Hupp, Joseph T. "Dye sensitized solar cells: sensitizer-dependent injection into ZnO nanotube electrodes" Langmuir 2010, 26, 1401-1404.

Hamann, T.W.; Jensen, R.A.; Martinsen, A.B.F.; Van Ryswyk, H.; and Hupp, J.T. “Advancing Beyond Current Generation Dye-Sensitized Solar Cells,” Energy Env. Sci. 2008, 1, 66-78.

*Pheasant, S.; *Kouzelos, J.A.; Van Ryswyk, H.; Cave, R.J. “Theoretical investigation of the electronic coupling element in bis-ruthenium porphyrin dimers.” Molecular Simulation 2006, 32, 677-693.

Van Ryswyk, Hal; *Moore, Erin E.; *Joshi, Neel S.; *Zeni, Rebecca J.; Eberspacher, Todd A.; Collman, James P. “Surface-confined metalloporphyrin oligomers.” Angewandte Chemie International Edition 2004, 43, 5827-5830.

Van Ryswyk, H.; *Gabor, Rachel. S.; *Awasthi, Smita; *Bodzin, Dena J.; *Orosz, Kristina S. “Kinetics of Metalloporphyrin Chemisorption onto Monolayer-Confined Ligands and Subsequent Distal Ligand Exchange.” Langmuir 2004, 20, 11815-11817.

Eberspacher, Todd A.; Collman, James P.; Chidsey, Christopher E.D.; Donohue, *Deirdre L.; Van Ryswyk, Hal “Modular Assembly and Air-Stable Electrochemistry of Ruthenium Porphyrin Monolayers” Langmuir 2003, 19, 3814-3821.

Brevnov, Dmitri A.; Finklea, Harry O.; Van Ryswyk, Hal “AC Voltammetry studies of electon transfer kinetics for a redox couple attached via short alkanethiols to a gold electrode.” J. Electroanal. Chem. 2001, 500, 100-107.

Van Ryswyk, Hal; *Turtle, Eric D.; *Watson-Clark, Rachel; *Tanzer, Troy A.; *Herman, Tobias K.; *Chong, Pek Yoke; *Waller, Petra J.; *Taurog, Aaron L.; *Wagner, Carl E. “Reactivity of Ester Linkages and Pentaammineruthenium(III) at the Monolayer Assembly/Solution Interface.” Langmuir, 1996, 12, 6143.

Van Ryswyk, H.; *Hinds, B.R. III; *Simmons, B.L.; *Solomon, D.S. “Kinetic Studies of Ester Hydrolysis at Transition Metal Centers within Perfluorosulfonate Films.” J. Electrochem. Soc., 1992, 139, 3098.

Van Ryswyk, H.; *Kim, C.H.; *Staley, T.A. “Effects of Supporting Electrolyte on the Partitioning of Cation/Neutral Couples into Perfluorosulfonate Films.” J. Electroanal. Chem., 1992, 325, 351.

Van Ryswyk, H.; *Kim, C.H.; *Solomon, D.S. “Thermodynamics of Partitioning for Cation/Neutral Couples within Perfluorosulfonate Films.” J. Electroanal. Chem. 1989, 265, 317.

Van Ryswyk, H.; Ellis, A.B. “Optical Coupling of Surface Chemistry. Photoluminescent Response of a Derivatized Gallium Arsenide Surface Undergoing Redox Chemistry.” J. Amer. Chem. Soc., 1986, 108, 2454.

Carpenter, M.K.; Van Ryswyk, H.; Ellis, A.B. “Photoluminescent Response of Palladium-Cadmium Sulfide and Palladium-Graded Cadmium Sulfoselenide Schottky Diodes to Molecular Hydrogen.” Langmuir, 1985, 1, 605.

Van Ryswyk, H. “Luminescent Properties of a Surface-Modified Cadmium Selenide Electrode.” J. Electrochem. Soc., 1985, 132, 11C.

Streckert, H.H.; Van Ryswyk, H.; Biagioni, R.N.; Ellis, A.B. “Polarization Effects in the Luminescence of Cadmium Selenide Electrodes.” J. Phys. Chem., 1984, 88, 1544.

Other Publications:
Van Ryswyk, Hal; *Hall, Eric W.; *Petesch, Steven J.; *Wiedeman, Alice E. "Extending the marine microcosm laboratory" J. Chem. Educ. 2007, 84, 306-309.

Van Ryswyk, Hal “Writing-intensive multimedia projects in the instrumental methods course.” J. Chem. Educ. 2005, 81, 70-72.

Van Ryswyk, H. “A General Chemistry Experiment Incorporating Synthesis and Structural Determination.” J. Chem. Educ., 1997, 74, 842-844.

Van Ryswyk, H.; Van Hecke, G.R. “Attaining Optimal Conditions. An Advanced Undergraduate Experiment Introducing Experimental Design and Optimization.” J. Chem. Educ., 1991, 68 878.

Van Ryswyk, H. “Simulation of Single-Step Chronoamperometry via Spreadsheet.” J. Chem. Educ., 1991, 68, A283.