1. "Ultrafast Exciton Dynamics in Shape-Controlled Methylammonium Lead Bromide Perovskite Nanostructures: Effect of Quantum Confinement on Charge Carrier Recombination" H. Telfah, A. Jamhawi, M. B. Teunis, R. Sardar, and J. Liu*, J. Am. Chem. Soc. (under review)
  2. "Dispersed-Fluorescence Spectroscopy of Jet-Cooled Calcium Ethoxide Radical (CaOC2H5)" A. C. Paul, Md. A. Reza, J. Liu,* J. Mol. Spectrosc. 330, 142-146 (2016). [Link] DOI: 10.1016/j.jms.2016.09.001.
  3. "Dispersed Fluorescence Spectroscopy of Jet-Cooled Isobutoxy and 2-Methyl-1-Butoxy Radicals" Md. A. Reza, A, Paul, N. J. Reilly, J. Alam, J. Liu,*  J. Phys. Chem. A 120, 6761-6767 (2016). [Link] DOI: 10.1021/acs.jpca.6b06445

  4. "Laser-Induced Fluorescence Spectroscopy of Jet-Cooled t-Butoxy" J. Liu,* N. J. Reilly, A. Mason, and T. A. Miller, J. Phys. Chem. A 119, 11804–11812 (2015). [LinkDOI: 10.1021/acs.jpca.5b08922

  5. "Dispersed Fluorescence Spectroscopy of Jet-cooled 2-, 3-, and 4-Methylcyclohexoxy Radicals", J. Alam, Md. A. Reza, A. Mason, N. J. Reilly, and J. Liu,* J. Phys. Chem. A  119, 6257–6268 (2015) [Link] DOI: 10.1021/acs.jpca.5b03454
  6. "Ultrafast charge carrier relaxation and charge transfer processes in CdS/CdTe thin Films", B. Pandit, R. Dharmadasa, I. M. Dharmadasa, T. Druffel, and J. Liu,* Phys. Chem. Chem. Phys. 17, 16760-16766 (2015)􀀀 [LinkDOI: 10.1039/C5CP01652E 
  7. "Molecule-like CdSe nanoclusters passivated with strongly interacting ligands: energy level alignment and photoinduced ultrafast charge transfer processes", Y. Xie, M. Teunis, B. Pandit, R. Sardar,* and J. Liu,* J. Phys. Chem. C. 119, 2813−2821 (2015). [LinkDOI:
  8. "A DGFETD Port formulation for photoconductive antenna analysis", J. C. Young,* D. Boyd, S. D. Gedney, T. Suzuki,  and J. Liu, IEEE Antenn. Wirl. Pr. 14, 386-389 (2015). [Link] DOI: 10.1109/LAWP.2014.2364524)
  9. "Jet-cooled laser-induced fluorescence spectroscopy of cyclohexoxy: Rotational and fine structure of molecules in nearly degenerate electronic states", J. Liu and T. A. Miller,* J. Phys. Chem. A 118, 11871−11890 (2014). [Link] DOI: 10.1021/jp504326p
  10. "Jet-Cooled laser-induced fluorescence spectroscopy of isopropoxy radical: Vibronic analysis of B ̃-X ̃ and B ̃-A ̃ band systems" R. Chhantyal-Pun, M. Roudjane, D. Melnik, T. A. Miller,* and J. Liu, J. Phys. Chem. A 118, 11852−11870 (2014). [Link] DOI: 10.1021/jp504322j
  11. High-resolution spectroscopy and quantum-defect model for the gerade triplet np and nf Rydberg states of He2”, D. Sprecher, J. Liu, T. Krahenmann, M. Schafer, and F. Merkt,* J. Chem. Phys. 140, 064304 (16 pages) (2014)[Link]
  12. “Charge transfer in rare earth oxide hybrid solar cells”, K. Fernando, B. Pandit, J. Liu, and B. W. Alphenaar,* Chem. Phys. Lett. 592, 155-159 (2014). [Link]
  13. “Spectroscopic investigation of photoinduced charge transfer Processes in FTO/TiO2/N719 photoanodes with and without covalent attachment through silane-based linkers”, B. Pandit, T. Luitel, D. Cummins, A. K. Thapa, T. Druffel, F. Zamborini, and J. Liu,* J. Phys. Chem. A. 117, 13513-13523 (2013). [Link]
  14. “Rotationally resolved B ̃ ←X ̃ electronic spectra of the isopropoxy radical: A comparative study”, J. Liu,* D. Melnik, and T. A. Miller,* J. Chem. Phys. 139, 094308 (27 pages) (2013). [Link]
  15. "The spectroscopic characterization of the methoxy radical. III. Rotationally resolved A˜2A1X˜2E electronic and X ̃2 E submillimeter wave spectra of partially deuterated CH2DO and CHD2O radical", D. G. Melnik, J. Liu, M.-W. Chen, T. A. Miller, and R. F. Curl, J. Chem. Phys. 135, 094310 (26 pages) (2011). [Link]
  16. "The ionization and dissociation energies of HD", D. Sprecher, J. Liu, Ch. Jungen, W. Ubachs, and F. Merkt, J. Chem. Phys. 133, 111102 (4 pages) (2010). ("Editors' Choice for 2010" by the Journal of Chemical Physics.) [Link]
  17. "Vibrational spectra of chloroform, Freon-11 and selected isotopomers in the terahertz region", Ch. Haase, J. Liu, and F. Merkt, J. Mol. Spectrosc. 262, 61-63 (2010). [Link]
  18. "Determination of the ionization and dissociation energies of the deuterium molecule (D2)", J. Liu, D. Sprecher, Ch. Jungen, W. Ubachs, and F. Merkt, J. Chem. Phys.132, 154301 (11 pages) (2010). [Link]
  19. "Generation of widely tunable Fourier-transform-limited terahertz pulses using narrowband near-infrared laser radiation", J. Liu, H. Schmutz, and F. Merkt, J. Mol. Spectrosc. 256, 111-118 (2009). [Link]
  20. "Determination of the ionization and dissociation energies of the hydrogen molecule", J. Liu, E. J. Salumbides, U. Hollenstein, J. C. J. Koelemeij, K. S. E. Eikema, W. Ubachs, and F. Merkt, J. Chem. Phys. 130, 174306 (8 pages) (2009). [Link]
  21. "The spectroscopic characterization of the methoxy radical. II. Rotationally resolved A˜2A1X˜2E electronic and X ̃2 E microwave spectra of the perdeuteromethoxy radical CD3O",J. Liu, M.-W. Chen, D. Melnik, T. A. Miller, Y. Endo, and E. Hirota, J. Chem. Phys. 130, 074303 (11 pages) (2009). [Link]
  22. "The spectroscopic characterization of the methoxy radical. I. Rotationally resolved A˜2A1X˜2E electronic spectra of CH3O", J. Liu, M.-W. Chen, D. Melnik, J. T. Yi, and T. A. Miller, J. Chem. Phys. 130, 074302 (19 pages) (2009). [Link]
  23. "Nuclear-spin effects in the photoionization of krypton", Th. A. Paul, J. Liu, and F. Merkt, Phys. Rev. A 79, 022505 (15 pages) (2009). [Link]
  24. "Generation of tunable Fourier-transform-limited terahertz pulses in 4-N,N-dimethylamino-4'-N'-methyl stilbazolium tosylate crystals"J. Liu and F. Merkt, Appl. Phys. Lett. 93, 131105 (3 pages) (2008). [Link]
  25. "Development of the Hamiltonian and matrix elements for partially deuterated methoxy radical", D. Melnik, J. Liu, R. F. Curl, and T. A. Miller, Mol. Phys. 105, 529-540 (2007). [Link]
  26. "High resolution spectra and conformational analysis of 2-butoxy radical", V. L. Stakhursky, L. Zu, J. Liu, and T. A. Miller, J. Chem. Phys. 125, 094316 (14 pages) (2006).). [Link]
  27. "Jet-cooled laser spectroscopy of the cyclohexoxy radical", L. Zu, J. Liu, G. Tarczay, P. Dupre, and T. A. Miller, J. Chem. Phys. 120, 10579-10593 (2004). [Link]
  28. "The rotationally resolved electronic spectra of several conformers of 1-Hexoxy and 1-Heptoxy", L. Zu, J. Liu, S. Gopalakrishnan, and T. A. Miller, Can. J. Chem. (G. Herzberg Memorial Issue) 82, 854-866 (2004). [Link]
  29. "Band (5, 0) in the red system A ̃2 Πi ←X ̃2 Σ+ of CN studied by optical heterodyne magnetic rotation enhanced concentration modulation spectroscopy", C. Xu, L. Wu, J. Liu, S. Wu, C. Duan, Y. Chen, and Y. Liu, Chin. Phys. Lett. 19, 1277-1279 (2002). [Link]
  30. "Velocity modulation laser absorption spectroscopy of the A ̃2 Πi ←X ̃2 Σ+ transition of the CS+ cation", Y. Liu, C. Duan, J. Liu, L. Wu, C. Xu, Y. Chen, P. A. Hamilton, and P. B. Davies, J. Chem. Phys. 116,  9768-9775 (2002). [Link]

Conference Proceeding:

"Determination of the ionization and dissociation energies of H2 and He2", J. Liu, D. Sprecher, F. Merkt, E. J. Salumbides, and W. Ubachs, AIP Conf. Proc. 1504, 495 (2012). [Link]

Invited talks:

  1. "Precision determination of the ionization and dissociation energies of H2, HD, and D2", in “Symposium on Precision Measurement Physics with Atoms and Molecules” organized by the Chinese Academy of Sciences (CAS) (2015).
  2. "Rotational and fine structure of molecules in nearly degenerate electronic states", in Telluride Science Research Workshop on “Spectroscopy and Dynamics on Multiple Potential Energy Surfaces” (2014)
  3. "The methoxy radical: An incredible playground for hi-resolution molecular spectroscopists", Department of Chemistry, University of Kentucky (2012)
  4. "The methoxy radical - Or what in the world are molecular spectroscopists doing in the lab, on the scratch paper, and in front of their computers?", Engineering Platforms for Exploring Cellular and Molecular Processes, University of Louisville (2012)
  5. "Precision determination of the ionization and dissociation energies of H2, HD, and D2", Atomic, Molecular, and Optical Physics Seminar, Department of Physics, University of Connecticut (2011)
  6. "Measurement of the ionization and dissociation energies of H2 and He2", Seventh International Conference of Computational Methods in Sciences and Engineering (ICCMSE 2009).