Publications

      1. “Fine and hyperfine structure of PbF in the B2Σ+ state studied by laser-induced fluorescence spectroscopy”, C. Zhu, B. Chen, Y. Chen, T. Yang, H. Wang* , J. Yin, and J. Liu, J. Chem. Phys. 157, 084307 (7 pages) (2022). DOI: https://doi.org/10.1063/5.0099716

      2. "A combined experimental and computational study on the ~𝐴12A'/~𝐴22A''-~𝑋2A' transition of the calcium isopropoxide radical as a candidate for direct laser cooling”, H. Telfah, K. Sharma, A. C. Paul, S. M. S. Riyadh, T. A. Miller, and J. Liu*, Phys. Chem. Chem. Phys. 24, 8749 - 8762 (2022). DOI: https://doi.org/10.1039/D1CP04107J.

      3. "Electronic spectroscopy of the ~𝐴12A"/~𝐴22A'-~𝑋2A' transitions of jet-cooled calcium ethoxide radicals: Vibronic structure of alkaline earth monoalkoxide radicals of Cs symmetry", A. C. Paul, K. Sharma, H. Telfah, T. A. Miller, and J. Liu,* J. Chem. Phys. 155, 024301 (14 pages) (2021). [JCP Editors' Choice 2021] DOI: https://doi.org/10.1063/5.0056550

      4. “Laser-induced fluorescence spectroscopy of large secondary alkoxy radicals. Part II. Rotational and fine structure”, J. Liu,* M. W. Chen, and T. A. Miller, J. Phys. Chem. A 125, 1402-1412 (2021). DOI: http://dx.doi.org/10.1021/acs.jpca.0c10663

      5. “Laser-induced fluorescence spectroscopy of large secondary alkoxy radicals. Part I. Spectral overviews and vibronic analysis”, J. Liu* and T. A. Miller, J. Phys. Chem. A 125, 1391-1401 (2021).DOI: http://dx.doi.org/10.1021/acs.jpca.0c10662

      6. "Rotational and fine structure of open-shell molecules in nearly degenerate electronic states. Part II. Interpretation of experimentally determined interstate coupling parameters of alkoxy radicals", Y. Yan, K. Sharma, T. A. Miller, and J. Liu,* J. Chem. Phys. 153, 174306 (12 pages) (2020). DOI: https://doi.org/10.1063/5.0026212

      7. "Aligning an optical cavity: with reference to cavity ring-down spectroscopy", H. Telfah, A. C. Paul, and J. Liu,* Appl. Opt. 59, 9464-9468 (2020). DOI: https://doi.org/10.1364/AO.405189

      8. "An electro-active interface for enabling spectroelectrochemical investigations in evanescent-wave cavity-ring-down spectroscopy", S. A. Alnaanah, T. J. Roussel, J. H. Ghithan, A. Qatamin, M. A. Irziqat, H.Telfah, J. Liu, and S. B. Mendes,* Anal. Chem. 92, 11288–11296 (2020). DOI: https://doi.org/10.1021/acs.analchem.0c01956

      9. "Revealing long-range substituent effects in the laser-induced fluorescence and dispersed fluorescence spectra of jet-cooled CHxF3−xCH2O (x=1,2,3) Radicals", B. Koncz, G. Bazsó, Md A. Reza, H. Telfah, K. Hegedus, J. Liu,* and G. Tarczay,* J. Phys. Chem. A 123, 51, 10947-10960 (2019). DOI: https://doi.org/10.1021/acs.jpca.9b09829

      10. "Laser-induced fluorescence and dispersed fluorescence spectroscopy of jet-cooled isopentoxy radicals" Md. A. Reza, A. C. Paul, N. Reilly, and J. Liu,* J. Phys. Chem. A 123, 8441-8447 (2019). DOI: https://doi.org/10.1021/acs.jpca.9b07307

      11. "Laser-induced fluorescence and dispersed-fluorescence spectroscopy of the ~A2E-~X2A1 transition of jet-cooled calcium methoxide (CaOCH3) Radicals" A. C. Paul, K. Sharma, Md. A. Reza, H. Telfah, T. A. Miller,* and J. Liu,* J. Chem. Phys. 151, 134303 (15 pages) (2019). DOI: https://doi.org/10.1063/1.5104278

      12. “Room-temperature cavity ring-down spectroscopy of methyl-allyl peroxy radicals”, Md. A. Reza, H. Telfah, R. Xu, and J. Liu,* J. Phys. Chem. A 123, 3510–3517 (2019). DOI: http://doi.org/10.1021/acs.jpca.9b01233

      13. “Organic polymer with dual chromophores and fast charge transfer properties for sustainable photocatalysis”, J. D. Smith, A. M. Jamhawi, J. Jasinski , F. Gallou, J. Ge, R. Advincula, J. Liu, and S. Handa,* Nat. Commun. 10, 1837 (16 pages) (2019) DOI: https://doi.org/10.1038/s41467-019-09316-5.

      14. “Extensive high-resolution photoassociation spectra and perturbation analysis of 2(0-) long-range state of ultracold RbCs molecules”, D. Su, T. Gong, Z. Ji, Y. Yang, Y. Zhao,* L. Xiao, S. Jia, C. Li,* and J. Liu,* Phys. Rev. A 99, 042513 (8 pages) (2019). DOI: https://doi.org/10.1103/PhysRevA.99.042513

      15. “Direct observation of tetrahydrofuranyl and tetrahydropyranyl peroxy radicals via cavity ring-down spectroscopy”, H. Telfah, Md. A. Reza, J. Alam, A. C. Paul and J. Liu,* J. Phys. Chem. Lett. 9, 4475-4480 (2018). DOI: https://doi.org/10.1021/acs.jpclett.8b01721

      16. “Candidates for direct laser cooling of diatomic molecules with the 1Σ+-1Σ+ electronic transition system”, C. Li,* Y. Li, Z. Ji, X. Qiu, Y. Lai, J. Wei, Y. Zhao,* L. Deng, Y. Chen, and J. Liu,* Phys. Rev. A 97, 062501 (9 pages) (2018). DOI: https://doi.org/10.1103/PhysRevA.97.062501

      17. “Rotational and fine structure of open-shell molecules in nearly degenerate electronic states”, J. Liu,* J. Chem. Phys. 148, 124112 (16 pages) (2018). DOI: https://doi.org/10.1063/1.5021946

      18. “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. Phys. Chem. C 121, 28556–28565 (2017) DOI: https://doi.org/10.1021/acs.jpcc.7b10377

      19. “Dispersed-fluorescence spectroscopy of jet-cooled calcium ethoxide radical (CaOC2H5)”, A. C. Paul, Md. A. Reza, and J. Liu,* J. Mol. Spectrosc. 330, 142-146 (2016). DOI: https://doi.org/10.1016/j.jms.2016.09.001

      20. “Dispersed fluorescence spectroscopy of jet-cooled iso-butoxy and 2-methyl-1-butoxy radicals”, Md. A. Reza, J. Alam, N. J. Reilly, and J. Liu,* J. Phys. Chem. A 120, 6761-6767 (2016). DOI: https://doi.org/10.1021/acs.jpca.6b06445

      21. “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). DOI: https://doi.org/10.1021/acs.jpca.5b08922

      22. “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). DOI: https://doi.org/10.1021/acs.jpca.5b03454

      23. “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). DOI: https://doi.org/10.1039/C5CP01652E

      24. “Molecule-like CdSe nanoclusters passivated with strongly interacting ligands: Energy level alignment and photoinduced ultrafast charge transfer processes”, Y. Xie, M. B. Teunis, B. Pandit, R. Sardar,* and J. Liu,* J. Phys. Chem. C 119, 2813-2821 (2015). DOI: http://dx.doi.org/10.1021/jp510276c

      25. “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). DOI: https://doi.org/10.1109/LAWP.2014.2364524

      26. “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). DOI: https://doi.org/10.1021/jp504326p

      27. “Jet-cooled laser-induced fluorescence spectroscopy of isopropoxy radical: Vibronic analysis of and band systems”, R. Chhantyal-Pun, M. Roudjane, D. Melnik, T. A. Miller,* and J. Liu, J. Phys. Chem. A 118, 11852-11870 (2014). DOI: https://doi.org/10.1021/jp504322j

      28. “High-resolution spectroscopy and quantum-defect model for the gerade triplet np and nf Rydberg states of He2”, D. Sprecher, J. Liu, T. Krähenmann, M. Schäfer, and F. Merkt,* J. Chem. Phys. 140, 064304 (16 pages) (2014). DOI: http://dx.doi.org/10.1063/1.4864002

      29. “Charge transfer in rare earth oxide hybrid solar cells”, K. Fernando, B. Pandit, J. Liu, and B. W. Alphenaar,* Chem. Phys. Lett. 592, 155 (2014). DOI: https://doi.org/10.1016/j.cplett.2013.12.031

      30. “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 (2013). DOI: https://doi.org/10.1021/jp407270j

      31. “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). DOI: http://dx.doi.org/10.1063/1.4819343

      32. “The spectroscopic characterization of the methoxy radical. III. Rotationally resolved ~A2A1-~X2E electronic and X2E 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). DOI: http://dx.doi.org/10.1063/1.3615724

      33. “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). [JCP Editors’ Choice 2010] DOI: https://doi.org/10.1063/1.3483462

      34. “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 (2010). DOI: https://doi.org/10.1016/j.jms.2010.04.007

      35. “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). DOI: http://dx.doi.org/10.1063/1.3374426

      36. “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 (2009). DOI: https://doi.org/10.1016/j.jms.2009.02.022

      37. “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). DOI: http://dx.doi.org/10.1063/1.3120443

      38. “The spectroscopic characterization of the methoxy radical. II. Rotationally resolved ~A2A1-~X2E electronic and ~X2E 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). DOI: http://dx.doi.org/10.1063/1.3072105

      39. “The spectroscopic characterization of the methoxy radical. I. Rotationally resolved ~A2A1-~X2E 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). DOI: http://dx.doi.org/10.1063/1.3072104

      40. “Nuclear-spin effects in the photoionization of krypton”, Th. A. Paul, J. Liu, and F. Merkt,* Phys. Rev. A 79, 022505 (15 pages) (2009). DOI: https://doi.org/10.1103/PhysRevA.79.022505

      41. “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). DOI: http://dx.doi.org/10.1063/1.2977490

      42. “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 (2007). DOI: https://doi.org/10.1080/00268970601146864

      43. “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). DOI: http://dx.doi.org/10.1063/1.2345362

      44. “Jet-cooled laser spectroscopy of the cyclohexoxy radical”, L. Zu, J. Liu, G. Tarczay, P. Dupré, and T. A. Miller,* J. Chem. Phys. 120, 10579 (2004). DOI: http://dx.doi.org/10.1063/1.1701618

      45. “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. 82, 854 (2004). DOI: https://doi.org/10.1139/v04-056

      46. “Band (5, 0) in the red system ~A2Πi-~X2Σ+ 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,* Chinese. Phys. Lett. 19, 1277 (2002). DOI: https://doi.org/10.1088/0256-307X/19/9/318

      47. “Velocity modulation laser absorption spectroscopy of the ~A2Πi-~X2Σ+ 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 (2002). DOI: http://dx.doi.org/10.1063/1.1470201

      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). DOI: http://aip.scitation.org/doi/abs/10.1063/1.4771748

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