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Department of Chemistry

Dr. Hartmut Hedderich

Hartmut Hedderich

Senior Instrumentation Specialist

Specialties

  • Spectroscopy (UV-Vis to far IR) and Raman Spectroscopy
  • Optical Microscopy
  • Ellipsometry
  • Vacuum Technology
  • Metal Deposition
  • Laser Technology and Diagnostics

Education

  • M.S., Chemistry, Justus-Liebig-Universitat,
    Giessen, Germany
  • Dr.rer.nat., Physical Chemistry, Justus-Liebig-Universitat
    Giessen, Germany

Projects

  • Vacuum shroud for SVEL reactor
  • Radiation reactor with exchangeable LED sources
  • Cosublimation apparatus

Contact Information

BRWN 4165B
560 Oval Drive
West Lafayette, IN 47907
(765)494-6543
Email: hhedderi@purdue.edu 


Publications

Chowdhury, A. U., Z. Song, S. Zhang, H. G. Hedderich, G. J. Simpson, D. H. Ye, C. A. Bouman, B. Mallick, S. Thirunahari, S. Ramakrishnan, A. Sengupta and E. J. Gualtieri (2017). "Second Harmonic Generation Guided Raman Spectroscopy for Sensitive Detection of Polymorph Transitions." Anal Chem.

Chowdhury, A. U., C. M. Dettmar, S. Z. Sullivan, S. Zhang, K. T. Jacobs, D. J. Kissick, T. Maltais, H. G. Hedderich, P. A. Bishop and G. J. Simpson (2014). "Kinetic Trapping of Metastable Amino Acid Polymorphs." J. Am. Chem. Soc. 136(6): 2404-2412.

Madden, J. T., S. J. Toth, C. M. Dettmar, J. A. Newman, R. A. Oglesbee, H. G. Hedderich, R. M. Everly, M. Becker, J. A. Ronau, S. K. Buchanan, V. Cherezov, M. E. Morrow, S. Xu, D. Ferguson, O. Makarov, C. Das, R. Fischetti and G. J. Simpson (2013). "Integrated nonlinear optical imaging microscope for on-axis crystal detection and centering at a synchrotron beamline." J. Synchrotron Radiat. 20(4): 531-540.

Dehen, C. J., R. M. Everly, R. M. Plocinik, H. G. Hedderich and G. J. Simpson (2007). "Discrete retardance second harmonic generation ellipsometry." Rev. Sci. Instrum. 78(1): 013106/013101-013106/013107.

Fenniri, H., J. Achkar, P. Mathivanan, H. G. Hedderich, D. BenAmotz, C. M. Snively, S. Katzenberger, G. Oskarsdottir and J. Lauterbach (2000). Raman and FTIR imaging: Powerful tools for the evaluation of solid-phase-supported chemical libraries, American Chemical Society.

Fenniri, H., H. G. Hedderich, K. S. Harber, J. Achkar, B. Taylor and D. Ben-Amotz (2000). "Towards the DRED of resin-supported combinatorial libraries: a non-invasive methodology based on bead self-encoding and multispectral imaging." Angew. Chem., Int. Ed. 39(24): 4483-4485.

Foltynowicz, R. J., J. D. Robinson, E. J. Zuckerman, H. G. Hedderich and E. R. Grant (2000). "Experimental Characterization of the Higher Vibrationally Excited States of HCO+: Determination of ω2, x22, g22, and B(030)." J. Mol. Spectrosc. 199(2): 147-157.

McClain, B. L., H. G. Hedderich, A. D. Gift, D. Zhang, K. N. Jallad, K. S. Haber, J. Ma and D. Ben-Amotz (2000). "Fast chemical imaging. A rapid, noninvasive tool for medical, materials, and process analyses." Spectroscopy (Eugene, Oreg.) 15(9): 28-30,32,34,36-37.

Zuckerman, E. J., E. E. Mayer, R. J. Foltynowicz, J. D. Robinson, S. H. Jen, M. C. Konopka, T. Sanford, H. G. Hedderich, I. C. Chen and E. R. Grant (2000). "Double-resonance spectroscopy of the high Rydberg states of HCO. V. Rovibronic interactions and l-uncoupling in the (010) manifold." J. Chem. Phys. 113(13): 5372-5383.

Foltynowicz, R. J., W. Rupp, H. G. Hedderich and E. R. Grant (1999). "Photoionization spectrum of the B2A' state of HCO." Chem. Phys. Lett. 315(3,4): 210-216.

Grant, E. R., E. J. Zuckerman, M. C. Konopka, S. H. Jen, I. C. Chen and H. G. Hedderich (1998). Structure and thermochemistry of cations derived from combustion free radicals, American Chemical Society.

Mayer, E. E., H. G. Hedderich and E. R. Grant (1998). "Double-resonance spectroscopy of the high Rydberg states of HCO. II. Mode specificity in the dynamics of vibrational autoionization via CO stretch versus bend." J. Chem. Phys. 108(5): 1886-1892.

Mayer, E. E., H. G. Hedderich and E. R. Grant (1998). "Double-resonance spectroscopy of the high Rydberg states of HCO. III. Multiple pathways in the vibrational autoionization of the bending overtone." J. Chem. Phys. 108(20): 8429-8435.

Mayer, E., E. Zuckerman, L. Zhang, H. Hedderich, J. Behm and E. R. Grant (1997). "State-to-state dynamics in the high Rydberg states of polyatomic molecules." Philos. Trans. R. Soc. London, Ser. A 355(1729): 1569-1583.