Ge Research Group University of California, Irvine, Deparment of Chemistry

Journal Papers and Research Monographs:

"Photobase-Triggered Formation of 3D Epitaxially Fused Quantum Dot Superlattices with High Uniformity and Low Bulk Defect Densities"
C. Qian, A. Abelson, A. Miller-Casas, R. Capp, I. Vinogradov, N. S. Udagawa, N.-H. Ge, and M. Law
ACS Nano, 16, 3239 (2022) [link]

"Directional, Low-Energy Driven Thermal Actuating Bilayer Enabled by Coordinated Submolecular Switching"
M. Leveille, X. Shen, W. Fu, K. Jin, M. Acerce, C. Wang, J. Bustamante, A. Miller-Casas, Y. Feng, N.-H. Ge, L. S. Hirst, S. Ghosh, and J. Lu
Adv. Sci., 8, 2102077 (2021) [link]

"Phase-Sensitive Vibrationally Resonant Sum-Frequency Generation Microscopy in Multiplex Configuration at 80 MHz Repetition Rate"
H. Maekawa, S. K. K. Kumar, S. S. Mukherjee, and N.-H. Ge
J. Phys. Chem. B, 125, 9507 (2021) [link] [e-print without subscription]
Invited original manuscript for the "125 Years of The Journal of Physical Chemistry" Virtual Special Issue. It was also included in "Sixty Years of Surface-Specific Spectroscopy" and highlighted in the introductory editorial.

"Ultrafast vibrational dynamics of the tyrosine ring mode and its application to enkephalin insertion into phospholipid membranes as probed by two-dimensional infrared spectroscopy"
I. Vinogradov, Y. Feng, S. K. K. Kumar, C. Guo, N. S. Udagawa, and N.-H. Ge
J. Chem. Phys., 155, 035102 (2021) [link]

"Wavelength and Polarization Dependence of Second Harmonic Responses from Gold Nanocrescent Arrays"
H. Maekawa, E. Drobnyh, C. Lancaster, N. Large, G. Schatz, J. Shumaker-Parry, M. Sukharev, and N.-H. Ge
J. Phys. Chem. C, 124, 20424 (2020) [link] [e-print without subscription]

"Vibrational Spectroscopic Map, Vibrational Spectroscopy, and Intermolecular Interaction"
C. R. Baiz, B. Błasiak, J. Bredenbeck, M. Cho, J.-H. Choi, S. A. Corcelli, A. G. Dijkstra, C.-J. Feng, S. Garrett-Roe, N.-H. Ge, M. W. D. Hanson-Heine, J. D. Hirst, T. L. C. Jansen, K. Kwac, K. J. Kubarych, C. H. Londergan, H. Maekawa, M. Reppert, S. Saito, S. Roy, J. L. Skinner, G. Stock, J. E. Straub, M. C. Thielges, K. Tominaga, A. Tokmakoff, H. Torii, L. Wang, L. J. Webb, and M. T. Zanni
Chem. Rev., 120, 7152 (2020) [link] (Cover article)
Correction: Chem. Rev., 121, 13698 (2021) [link]

"Optimized noise reduction scheme for heterodyne spectroscopy using array detectors"
Y. Feng, I. Vinogradov, and N.-H. Ge
Opt. Exp., 27, 20323 (2019) [link]

"General noise suppression scheme with reference detection in heterodyne nonlinear spectroscopy"
Y. Feng, I. Vinogradov, and N.-H. Ge
Opt. Exp., 25, 26262 (2017) [link]

"Structure of Penta-alanine Investigated by Two-Dimensional Infrared Spectroscopy and Molecular Dynamics Simulation"
Y. Feng, J. Huang, S. Kim, J. H. Shim, A. MacKerell, and N.-H. Ge
J. Phys. Chem. B, 120, 5325 (2016) [link] [e-print without subscription]

"Polarization-Sensitive Sum-Frequency Generation Microscopy of Collagen Fibers"
Y. Han, J. Hsu, N.-H. Ge, and E. O. Potma
J. Phys. Chem. B, 119, 3356 (2015) [link] [e-print without subscription]

"¹³C=¹⁸O/¹⁵N Isotope Dependence of the Amide-I/II 2D IR Cross Peaks for the Fully Extended Peptides"
H. Maekawa, G. Ballano, F. Formaggio, C. Toniolo, and N.-H. Ge
J. Phys. Chem. C, 118, 29448 (2014) [link] [e-print without subscription]

"Mapping Molecular Orientation with Phase Sensitive Vibrationally Resonant Sum-Frequency Generation Microscopy"
Y. Han, V. Raghunathan, R.-R. Feng, H. Maekawa, C.-Y. Chung, Y. Feng, E. Potma, and N.-H. Ge
J. Phys. Chem. B, 117, 6149 (2013) [link] [e-print without subscription]

"Vibrational Correlation between Conjugated Carbonyl and Diazo Modes Studied by Single and Dual Frequency Two-Dimensional Infrared Spectroscopy"
H. Maekawa, S. Sul, and N.-H. Ge
Chem. Phys., 422, 22 (2013) [link]

"Picosecond Rotational Interconversion Adjacent to a C=O Bond Studied by Two-Dimensional Infrared Spectroscopy"
H. Maekawa and N.-H. Ge
J. Phys. Chem. B, 116, 11292 (2012) [link] [e-print without subscription]

"Rapid Vibrational Imaging with Sum Frequency Generation Microscopy"
V. Raghunathan, Y. Han, O. Korth, N.-H. Ge, and E. O. Potma
Opt. Lett., 36, 3891 (2011) [link]

"Stapling of a 3₁₀-Helix with Click Chemistry"
Ø. Jacobsen, H. Maekawa, N.-H. Ge, C. H. Gorbitz, P. Rongved, O. P. Ottersen, M. Amiry-Moghaddam, and J. Klaveness
J. Org. Chem., 76, 1228 (2011) [link][e-print without subscription]

"Linear and Two-Dimensional Infrared Spectroscopic Study of the Amide-I and II Modes in Fully Extended Peptide Chains"
H. Maekawa, G. Ballano, C. Toniolo, and N.-H. Ge
J. Phys. Chem. B, 115, 5168 (2011) [link][e-print without subscription]

"Comparative Study of Electrostatic Models for the Amide-I and -II Modes: Linear and Two-Dimensional Infrared Spectra"
H. Maekawa and N.-H. Ge
J. Phys. Chem. B, 114, 1434 (2010) [link][e-print without subscription]

"Interactions of Tyrosine in Leu-Enkephalin at a Membrane-Water Interface: an Ultrafast Two-Dimensional Infrared Study Combined with Density Functional Calculations and Molecular Dynamics Simulation"
S. Sul, Y. Feng, U. Le, D. J. Tobias, and N.-H. Ge
J. Phys. Chem. B, 114, 1180 (2010) [link][e-print without subscrtiption]

"Toward Detecting the Formation of a Single Helical Turn by 2D IR Cross-Peaks between the Amide-I and -II Modes"
H. Maekawa, M. De Poli, A. Moretto, C. Toniolo, and N.-H. Ge
J. Phys. Chem. B, 113, 11775 (2009) [link][e-print without subscription]

"Sensitivity of 2D IR Spectra to Peptide Helicity: a Concerted Experimental and Simulation Study of an Octapeptide"
N. Sengupta, H. Maekawa, W. Zhuang, S. Mukamel, D. J. Tobias and N.-H. Ge
J.Phys. Chem. B., 113, 12037 (2009) [link][e-reprint without subscription]
The printed version will be published as Cover Art in the Issue 35. [link]

"Couplings between Peptide Linkages across a 3₁₀-Helical Hydrogen Bond Revealed by Two-Dimensional Infrared Spectroscopy"
H. Maekawa, M. De Poli, C. Toniolo, and N.-H. Ge
J. Am. Chem. Soc., 131, 2042 (2009) [link] [e-reprint without subscription]

"Chain Length Dependence of Two-Dimensional Infrared Spectral Pattern Characteristic to 3₁₀-Helix Peptides"
H. Maekawa, F. Formaggio, C. Toniolo, and N.-H. Ge
in Ultrafast Phenomena XVI, Springer Series in Chemical Physics , 92, 415 (2009) [link]

"Onset of 3₁₀-Helical Secondary Structure in Aib Oligopeptides Probed by Coherent 2D IR Spectroscopy"
H. Maekawa, F. Formaggio, C. Toniolo, and N.-H. Ge
J. Am. Chem. Soc., 130, 6556 (2008) [link] [e-reprint without subscription]

"Two-Dimensional Infrared Spectral Signatures of 3₁₀- and α-Helical Peptides"
H. Maekawa, C. Toniolo, A. Moretto, Q. Broxterman, and N.-H. Ge
J. Phys. Chem. B, 111, 3222 (2007) [link] [e-reprint without subscription]

"Different Two-Dimensional Infrared Spectral Signatures for 3₁₀- and α-Helix Octapeptides"
H. Maekawa, C. Toniolo, A. Moretto, Q. Broxterman, and N.-H. Ge
in Ultrafast Phenomena XV, Springer Series in Chemical Physics, 88, 347 (2007) [link]

"Conformations of N-Acetyl-L-Prolinamide by Two-Dimensional Infrared Spectroscopy"
S. Sul, D. Karaiskaj, Y. Jiang, and N.-H. Ge
J. Phys. Chem. B, 110, 19891 (2006) [link] [e-reprint without subscription]

"Different Spectral Signatures of Octapeptide 3₁₀- and α-Helices Revealed by Two-Dimensional Infrared Spectroscopy"
H. Maekawa, C. Toniolo, A. Moretto, Q. Broxterman, and N.-H. Ge
J. Phys. Chem. B, 110, 5834 (2006) [link] [e-reprint without subscription]

"Resolving Conformations of Acetylproline-NH₂ by coherent two-dimensional infrared spectroscopy"
D. Karaiskaj, S. Sul, Y. Jiang, and N.-H. Ge
in Ultrafast Phenomena XIV, T. Kobayashi, T. Okada, T. Kobayashi, K. A. Nelson, and S. De Silvestri, editors, p. 545, Spring-Verlag, (2005)

"Local Structure and Dynamics of Liquid Acetone by Heterodyned 2D IR Spectroscopy"
N.-H. Ge, M. T. Zanni, R. M. Hochstrasser
in Ultrafast Phenomena XIII, M. M. Murnane, N. F. Scherer, R. J. D. Miller, and A. M. Weiner, editors, p. 592, Spring-Verlag,  (2003)[pdf]

"Dynamics of Peptide Structures by Multiple Pulse 2D IR Spectroscopy"
R. M. Hochstrasser, J. Chang, J.-X. Chen, N.-H. Ge, Y.-S. Kim, J. Park, I. Rubtsov, and M. T.Zanni
in Ultrafast Phenomena XIII, M. M. Murnane, N. F. Scherer, R. J. D. Miller, and A. M. Weiner, editors, p. 597, Spring-Verlag,  (2003)[pdf]

"Effects of Vibrational Frequency Correlations on Two-Dimensional Infrared Spectra"
N.-H. Ge, M. T. Zanni, and R. M. Hochstrasser
J. Phys. Chem. A, 106, 962 (2002) [link]

"Femtosecond Two-Dimensional Infrared Spectroscopy: IR-COSY and THIRSTY"
N.-H. Ge and R. M. Hochstrasser
PhysChemComm, 5, 17 (2002) [link]

"Two Dimensional Infrared Spectroscopy: Studies of the dynamics of structures with femtosecond pulse Fourier transform correlation spectroscopy"
R. M. Hochstrasser, N.-H. Ge, S. Gnanakaran, and M. T. Zanni
Bull. Chem. Soc. Jpn., 75, 1103 (2002) [link]

"2D IR Spectroscopy Can Be Designed to Eliminate the Diagonal Peaks and Exhibit Only the Cross Peaks Needed for Structure Determination,"
M. T. Zanni, N.-H. Ge, Y. S. Kim, and R. M. Hochstrasser
Proc. Natl. Acad. Sci., 98, 11265 (2001) [link][pdf]

"Femtosecond Two-Dimensional Infrared Spectroscopy"
R. M. Hochstrasser, M. C. Asplund, P. Hamm, and N.-H. Ge
J. of Chin. Chem. Soc., 47, 843 (2000) [link]

"Femtosecond Studies of Electron Dynamics at Interfaces"
N.-H. Ge, C. M. Wong, and C. B. Harris
Acc. Chem. Res., 33, 111 (2000) [link]

"Femtosecond Studies of Electron Dynamics at Metal-Dielectric Interfaces"
C. M. Wong, J. D. McNeill, K. J. Gaffney, N.-H. Ge, A. D. Miller, S. H. Liu, and C. B. Harris
>J. Phys. Chem. B, 103, 282 (1999)

"Femtosecond Dynamics of Quantum Dissipative Systems: Localization of Electrons at Interfaces''
C. B. Harris, N.-H. Ge, C. M. Wong, J. D. McNeill, and K. J. Gaffney
in Ultrafast Phenomena XI, T. Elsaeser, J. G. Fujimoto, D. A. Wiersma, and W. Zinth, editors, p. 618, Spring-Verlag, Berlin (1998)

"Excited Electron Dynamics at Benzene/Ag(111)"
C. B. Harris, J. D. McNeill, N.-H. Ge, C. M. Wong, K. J. Gaffney, S. H. Liu, and A. D. Miller
in Ultrafast Phenomena XI, T. Elsaeser, J. G. Fujimoto, D. A. Wiersma, and W. Zinth, editors, p. 336, Spring-Verlag, Berlin (1998)

"Femtosecond Dynamics of Electron Localization at Interfaces"
N.-H. Ge, C. M. Wong, R. L. Lingle, Jr., J. D. McNeill, K. J. Gaffney and C. B. Harris
Science, 279, 202 (1998) [link]

"Dynamics and Spatial Distribution of Electrons in Quantum Wells at Interfaces Determined by Femtosecond Photoemission Spectroscopy''
J. D. McNeill, R. L. Lingle, Jr., N.-H. Ge, C. M. Wong, and C. B. Harris
Phys. Rev. Lett., 79, 4645 (1997)

"Femtosecond Dynamics of Electrons on Surfaces and at Interfaces"
C. B. Harris, N.-H. Ge, R. L. Lingle, Jr., J. D. McNeill and C. M. Wong
Annu. Rev. Phys. Chem., 48, 711 (1997)

"Femtosecond Studies of Electron Dynamics in Two-Dimensions"
C. B. Harris,  J. D. McNeill, N.-H. Ge, R. E. Jordan, R. L. Lingle, Jr., and C. M. Wong
in Ultrafast Phenomena X, P. F. Barbara and W. H. Knox, editors, p. 445, Spring-Verlag, Berlin (1996)

"Femtosecond Studies of Electron Tunneling at Metal-Dielectric Interfaces (Chemical Physics 205 (1996) 191-203)"
R. L. Lingle, Jr., N.-H. Ge, R. E. Jordan, J. D. McNeill, and C. B. Harris
Chem. Phys., 208, 297 (1996) [link]

"Femtosecond Studies of Electron Tunneling at Metal-Dielectric Interfaces"
R. L. Lingle, Jr., N.-H. Ge, R. E. Jordan, J. D. McNeill, and C. B. Harris
Chem. Phys., 205, 191 (1996) [link]

"Effects of Higher-Rank Multipoles on Spectral Lineshapes of Higher Quadrupolar Nuclei near the Null Point in Inversion-Recovery Experiments,"
W.-T. Chang, Z.-S. Shen, W. S. Price, N.-H. Ge, and L.-P. Hwang
J.  Magn. Reson. A, 109, 98 (1994)

"Resolution Enhancement in Mg NMR Spectroscopy"
Y.-Y. Lin, N.-H. Ge and L.-P. Hwang
J. Magn. Reson. B , 103, 189 (1994)

"Multiexponential Analysis of Relaxation Decays Based on Linear Prediction and Singular-value Decomposition"
Y.-Y. Lin, N.-H. Ge and L.-P. Hwang
J. Magn. Reson. A, 105, 65 (1993)

"Characterization of Chloride Ion Binding to Human Serum Albumin Using Cl NMR Null-Point Spectral Analysis"
W. S. Price, N.-H. Ge, L.-Z. Hong, and L.-P. Hwang
J. Am. Chem. Soc., 115, 1095 (1993)

"Effects of Higher-Rank Multipoles on Spectral Lineshapes of I = 3/2 Quadrupolar Nuclei Near the Null Point in Inversion-Recovery Experiments"
W. P. Price, N.-H. Ge, and L.-P. Hwang
J. Magn. Reson., 98, 134 (1992)

"Application of Null-Point Spectra in Inversion-Recovery Experiments for Studying I = 3/2 Quadrupolar Nuclei Involved in Exchange Processes"
N.-H. Ge, W. S. Price, L.-Z. Hong, and L.-P. Hwang
J. Magn. Reson., 97, 656 (1992)

Commentaries Referring to Ge's Research:

"Self-Trapping of Electrons at Surfaces"
U. Hofer
Science, 279, 190, (1998) [link]

Patents:

"General noise suppression scheme with reference detection in heterodyne nonlinear spectroscopy"
N.-H. Ge, Y. Feng, I. Vinogradov
United States Patent No. 10,809,128 B2, filed March 30, 2018, granted October 20, 2020, Assignee: The Regents of the University of California (Oakland, CA) [Google Patents link]