Publications

1.   The 1B2u  1A1g Two-photon Spectra of Several Isotopes of Benzene by Supersonic Beam Multiphoton Ionization Spectroscopy, A. Sur, J. L. Knee and P. M. Johnson, J. Chem. Phys., 77, 645 (1982).

2.    Photochemistry of Benzene and Oxygen in Supersonic Cluster Beams,  J. L. Knee, C. E. Otis and P. M. Johnson, J. Phys. Chem., 88, 4467 (1982).

3.    The Identification of Channel Three in Isolated Benzene, C. E. Otis, J. L. Knee and P. M. Johnson, J. Chem. Phys., 78, 2091 (1983).

4.    Nonradiative Processes in the Channel Three Region of the S1 State of Ultracold Benzene, C. E. Otis, J. L. Knee and P. M. Johnson, J. Phys. Chem., 12, 2232 (1983).

5.    Triplet State Non-radiative Lifetimes of Collision free Aniline and Aniline-Ar Complexes Above the S1 Origin , J. L. Knee and P. M. Johnson, J. Chem. Phys., 80, 13 (1984).

6.    Nonradiative Transitions in Collisionless Perdeuterobenzene, J. L. Knee, C. E. Otis and P. M. Johnson, J. Chem. Phys., 81, 4455 (1984).

7.    Intramolecular Dephasing in Pyrazine: Direct Picosecond Time Resolution, J. L. Knee, F.E. Doany and A. H. Zewail, J. Chem. Phys., 82, 1042 (1985).

8.    Lifetimes of Dissociation-relaxed Triplet States of Pyrazine and Pyrimidine, J. L. Knee and P. M. Johnson, J. Phys. Chem., 89, 948 (1985).

9.    Picosecond Mass Spectrometry of a Collisionless Photodissociation Reaction,  J. L. Knee, L. R. Khundkar and A. H. Zewail, J. Chem. Phys., 82, 4715 (1985).

10.  IVR in Isolated Molecules with Nearby Electronic States, J. L. Knee, L. R. Khundkar and A. H. Zewail, J. Phys. Chem., 89, 3201 (1985).

11.  Picosecond Monitoring of Chemical Reactions in Molecular Beams: Photofragmentation of R-I  R+ I , J. L. Knee, L. R. Khundkar and A. H. Zewail, J. Chem. Phys., 83, 1996 (1985).

12.  Picosecond Photofragmentation of Tri- and Tetraatomic Molecules: Measurement of “State-to-State” Reaction Rates, J. L. Knee, L. R. Khundkar and A. H. Zewail, J. Phys. Chem., 88, 4659 (1985).

13.  Femtosecond Photofragment Spectroscopy: The Reaction  ICN I + CN , N. F. Scherer, J. L. Knee and A. H. Zewail, J. Phys. Chem., 89, 5141 (1985).

14.  Picosecond Photofragment Spectroscopy: I.  Microcanonical State-to-State Rates of the Phys., 87, 77 (1987).

15.  Picosecond Photofragment Spectroscopy: III. Vibrational Predissociation of van der Waals’ Clusters, J. L. Knee, L. R. Khundkar and A. H. Zewail, J. Chem. Phys., 87, 115 (1987).

 

16.  Luminescence Spectra and Lifetimes of Cerium(III) Compounds as Indicators of Solution Behavior and Radiative Efficiency, P. N. Hazin, C. Lakshminarayan, L.S. Brinen, J.L. Knee, J.W. Bruno, William E. Streib and Kirsten Folting, Inorg. Chem., 27, 1393 (1988).

17.  Ultrafast Laser Spectroscopy of Chemical Reactions, J. L. Knee and Ahmed H. Zewail, Spectroscopy, 3, 44 (1988).

18.  Ultrashort Laser Pulse Chemistry and Spectroscopy, J. L. Knee, Encyclopedia of Physical Science and Technology, 1990 Yearbook, Academic Press.

19.  Spectroscopy and Dynamics of the S1 State of Jet-Cooled 1-Naphthol, C. Lakshminarayan and J.L. Knee,  J. Phys. Chem., 94, 2639 (1990).

20.  Picosecond measurements of vibrational dynamics using pump-probe laser photoelectron spectroscopy, J. Chem. Phys., J.M. Smith, C. Lakshminarayan and J. L. Knee,  93, 4475 (1990).

21.  Laser photoelectron spectroscopy of 1- and 2-naphthol: relative stability of the cis and trans cation rotamers, Chem. Phys. Lett., C. Lakshminarayan, J.M. Smith and J.L. Knee, 182, 656 (1991).

22.  High resolution threshold photoelectron spectroscopy of aniline and aniline van der Waals complexes, X. Zhang, J.M. Smith and J.L. Knee,  J. Chem. Phys., 97, 2843 (1992).

23.  Analysis of the torsional potential of 9,10-dihydrophenanthrene in three electronic states: S0 , S1  and cation ground state, J. M. Smith and J.L. Knee, J. Chem. Phys.,  99, 38 (1993).

24.  Electronic spectoscopy of four conformations of Jet-Cooled 1,6-Dihydroxynaphthalene, J.M. Smith, Xu Zhang, A. Thompson, C. Lakshminarayan and J.L. Knee,  J. Phys. Chem., 97, 3990 (1993).

25.  Zero electron kinetic energy photoelectron spectroscopy using picosecond lasers, J.M. Smith, X. Zhang and J.L. Knee, Proc. Soc. Photo-Opt. Instrum. Engrs., 1858, 217 (1993).

26.  Dynamics of high n molecular Rydberg states with application to mass analysed threshold ionization spectroscopy, X. Zhang, J.M. Smith and J.L. Knee,  J. Chem. Phys., 99, 3133 (1993).

27.  Aniline-CH4 S1 vibrational dyanmics studied with picosecond photoelectron spectroscopy,  J. M. Smith, X. Zhang and J.L. Knee, J. Chem. Phys.,  99, 2550 (1993).

28.  Picosecond vibrational dynamics of several S1 bands in jet-cooled p-difluorobenzene, X. Zhang, J. M. Smith and J.L. Knee,  J. Chem. Phys., 100, 2429, (1994).

29.  Thresold Ionization Spectroscopy of the Low Frequency Vibrational Modes of the Styrene and trans-Stilbene Cations, J. M. Smith and J.L. Knee,  Laser Chem., 14, 2550 (1994).

30.  Dynamics of large molecule van der Waals complexes studied with ZEKE spectroscopy,     X. Zhang and J.L. Knee, , Faraday Discussion of Chem. Soc. , 97, 299 (1994).

31.  IVR and Electronic Relaxation in the Channel Three Region of Benzene, J.M. Smith, Xu Zhang and J.L. Knee, J. Phys. Chem., 102, 1768 (1995).

32.  Time Resolved Thresohold Ionization Spectroscopy, J. L. Knee,  Chapter in “Femtosecond Chemistry”, eds. J. Manz and L. Woste, VCH, Weinheim, 1995.

33.  ZEKE Studies with picosecond lasers, J L. Knee,  Chapter in “Highly resolved laser photoionization and photoelectron studies” Current Topics in Ion Chemistry and Physics, eds. T. Baer, C. Ng and I. Povis ( Wiley, New York) 1995.

34.  Photoelectron Spectroscopy of Molecular Clusters, X. Zhang, J. Pitts, C. Zheng and J. L. Knee,  in Laser Techniques for State-Selected and State-to-State Chemistry III, John W. Hepburn, Editor, Proc. SPIE 2548, 84 (1995).

35.  Neutral and Cation Spectroscopy of Fluorene-Arn Clusters, X. Zhang, J. Pitts, and J.L. Knee, J. Chem. Phys., 107, 8239 (1997).

  1. 36.  Dynamics of Vibronically Excited Fluorene-Arn (n=4-5) Clusters,  Jonathan D. Pitts  and J.L. Knee, J. Chem. Phys., 108, 9632 (1998).

37.  Electronic Spectroscopy and Dynamics of the Monomer and Arn Clusters of 9-Phenylfluorene, Jonathan D. Pitts and J.L. Knee, J. Chem. Phys., 109, 7113, (1998).

39.  Conformational Energy and Dynamics of 9-EthylFluorene, Jonathan D. Pitts, S. Wategaonkar and J.L. Knee,  J. Chem. Phys., 110, 3378 (1999).

  1. Structure and Dynamics of 9-Ethylfluorene-Arn van der Waals Complexes,, Jonathan D. Pitts and J.L. Knee, J. Chem. Phys., 110, 3389 (1998).
  2. 3-Ethylindole Electronic Spectroscopy: S1 and Cation Torsinal Potential Surfaces.  Jonathan D. Pitts, Swarn Basu  and J.L. Knee, J. Chem. Phys., 113, 1857 (2000).
  3. Conformational Studies of the Neutral and Cation of Several Substituted Fluorenes,  Swarna Basu and J.L. Knee, J. Elect. Spect. And Related Phenomena, 112, 209 (2000).
  4. Conformational Analysis and Dynamics of 9-Propylfluorene and 9-Ethylfluorene, Swarna Basu and J.L. Knee, J. Phys. Chem.,  A 105, 5842 (2001).
  5. The Molecular Structure and Conformation of Cyclopropylbenzene as Determined by Ab Initio Molecular Orbital Calculations, Pulsed-Jet Fourier Transform Microwave Spectroscopic and Gas-Phase Electron Diffraction Investigations, Shen, Q., Wells, C. Traetteberg , M., Bohn, R.K., Willis, A., and Knee, J., J. Org. Chem., 66, 5840-5845 (2001).
  6. Vibrational Dynamics of 9-Fluorenemethanol Using Infrared-Ultraviolet Double Resonance Spectroscopy, Swarna Basu and J.L. Knee, J. Chem. Phys., 120, 5631 (2004).
  7. Tryptophol Cation Conformations studied with ZEKE Spectroscopy,  Quanli Gu, Swarna Basu and J. L. Knee, J. Phys. Chem. A., 111,  808  (2007).
  8. Binding energies and dissociation pathways in the Aniline-Ar2 cation complex , Quanli Gu, and J. L. Knee,  J. Chem. Phys., 128,  064311/1-064311/8 (2008).
  9. Two-color photoexcitation of Rydberg states via an electric quadrupole transition.Leping Li; Quanli Gu; J.L. Knee; J.D. Wright; J.M. DiSciacca; T.J. Morgan Journal of the Optical Society of America B: Optical Physics, 25,  334 (2008).
  10. Characterization of the Dynamics of an Essential Helix in the U1A Protein By Time-Resolved Fluorescence Measurements,  Divina Anunciado, Michael Agumeh, Bethany L. Kormos, David L. Beveridge, J. L. Knee, and Anne M. Baranger, J. Phys. Chem. B, 112 (19), 6122 -6130, (2008).
  11. Photoionization spectroscopy of even-parity autoionizing Rydberg states of argon: Experimental and theoretical investigation of Fano profiles and resonance widths, D. Wright, T. Morgan, Leping Li, Quanli Gu, J. L. Knee, I. D. Petrov, V. L. Sukhorukov and H. Hotop,  Phys. Rev. A 77, 062512 (2008).
  12. Cation Spectroscopy and Binding Energy Determination for 1,4-benzodioxan -Ar1 ­and -Ar2 Complexes, Quanli Gu and J.L. Knee, J. Phys. Chem. A, 112 (30), 6823–6828, (2008).
  13. Characterization of two adenosine analogs as fluorescence probes in RNA, Ying Zhao, Joseph L. Knee, Anne M. Baranger,  Bioorganic Chemistry, 36, 271 (2008).
  14. Communication: Spectroscopic measurement of the binding energy of a carboxylic acid-water dimer Quanli Gu and J. L. Knee, J. Chem. Phys. 136, 171101 (2012); doi: 10.1063/1.4711862
  15. Applying 6-Methylisoxanthopterin-Enhanced Fluorescence To Examine Protein–DNA Interactions in the Picomolar Range, Andrew Moreno, Joseph Knee, Ishita Mukerji, Biochemistry, 51, 6847 (2012), DOI: 10.1021/bi300466d
  16. Zero kinetic energy photoelectron spectroscopy of tryptamine and the dissociation pathway of the singly hydrated cation cluster, Quanli Gu and J. L. Knee,  J. Chem. Phys., in press (2012).
    1. Communication: Frequency shifts of an intramolecular hydrogen bond as a measure of intermolecular hydrogen bond strengths, Quanli Gu, Carl Trindle and J. L. Knee, J. Chem. Phys., 137, 091101 (2012).