Staff information

PNNL Publications

2024

• Brennan C.J., A.G. Joly, C. Wang, T. Xie, B.T. O'Callahan, K.T. Crampton, and A. Teklu, et al. 2024. "Strong Surface Enhanced Coherent Phonon Generation in van der Waals Materials." The Journal of Physical Chemistry Letters 15, no. 42:10442-10450. PNNL-SA-204968. doi:10.1021/acs.jpclett.4c02208
• Mantilla A.B., C. Wang, A.V. Krayev, Y. Gu, Z. Schultz, and P.Z. El-Khoury. 2024. "Classical vs Quantum Plasmon-Induced Molecular Transformations at Metallic Nanojunctions." Proceedings of the National Academy of Sciences (PNAS) 121, no. 14:Art. No. e2319233121. PNNL-SA-192865. doi:10.1073/pnas.2319233121
• Valencia Acuna P.A., K. Rijal, C. Wang, M.A. Ziatdinov, W. Chan, and P.Z. El-Khoury. 2024. "Visualizing nanoscale heterogeneity in perylene thin films via tip-enhanced photoluminescence with unsupervised machine learning." Chemical Communications 60, no. 58:7435-7438. PNNL-SA-193548. doi:10.1039/D4CC01808G
• Wang C., P.A. Valencia Acuna, A.V. Krayev, and P.Z. El-Khoury. 2024. "Optical Extinction-Based 3D Nano-Imaging of WS2 on Gold." The Journal of Physical Chemistry Letters 15, no. 40:10272 - 10277. PNNL-SA-200841. doi:10.1021/acs.jpclett.4c02077

2023

• Wang C., A.B. Mantilla, A.V. Krayev, Y. Gu, and P.Z. El-Khoury. 2023. "Probing Local Optical Fields via Ultralow Frequency Raman Scattering from a Corrugated Probe." The Journal of Physical Chemistry Letters 14, no. 37:8334. PNNL-SA-187859. doi:10.1021/acs.jpclett.3c02122
• Wang C., A.B. Mantilla, Y. Gu, and P.Z. El-Khoury. 2023. "Ambient Tip-Enhanced Two Photon Photoluminescence from CdSe/ZnS Quantum Dots." Journal of Physical Chemistry A 127, no. 4:1081-1084. PNNL-SA-181057. doi:10.1021/acs.jpca.2c07750
• Wang C., A.V. Krayev, and P.Z. El-Khoury. 2023. "Subnanometer Visualization of Spatially Varying Local Field Resonances that Drive Tip-Enhanced Optical Spectroscopy." Nano Letters 23, no. 19:9114-9118. PNNL-SA-189259. doi:10.1021/acs.nanolett.3c03028

2022

• Mantilla A.B., C. Wang, Y. Gu, Z. Schultz, and P.Z. El-Khoury. 2022. "Multipolar Raman Scattering vs Interfacial Nano-Chemistry: Case of 4-Mercaptopyridine on Gold." Journal of the American Chemical Society 144, no. 45:20561-20565. PNNL-SA-178623. doi:10.1021/jacs.2c10132
• Wang C., and P.Z. El-Khoury. 2022. "Multimodal (Non)Linear Optical Nanoimaging and Nanospectroscopy." The Journal of Physical Chemistry Letters 13, no. 31:7350-7354. PNNL-SA-174591. doi:10.1021/acs.jpclett.2c01993

2021

• Gabel M.L., B.T. O'Callahan, C.E. Groome, C. Wang, R. Ragan, Y. Gu, and P.Z. El-Khoury. 2021. "Mapping Molecular Adsorption Configurations with < 5 nm Spatial Resolution through Ambient Tip-Enhanced Raman Imaging." The Journal of Physical Chemistry Letters 12, no. 14:3586-3590. PNNL-SA-160827. doi:10.1021/acs.jpclett.1c00661
• Wang C., and P.Z. El-Khoury. 2021. "Imaging Plasmons with Sub-2 nm Spatial Resolution via Tip-Enhanced Four-Wave Mixing." The Journal of Physical Chemistry Letters 12, no. 14:3535-3539. PNNL-SA-159334. doi:10.1021/acs.jpclett.1c00763
• Wang C., and P.Z. El-Khoury. 2021. "Multimodal Tip-Enhanced Nonlinear Optical Nanoimaging of Plasmonic Silver Nanocubes." The Journal of Physical Chemistry Letters 12, no. 44:10761-10765. PNNL-SA-166319. doi:10.1021/acs.jpclett.1c03196
• Wang C., B.T. O'Callahan, A.V. Krayev, and P.Z. El-Khoury. 2021. "Nanoindentation-Enhanced Tip-Enhanced Raman Spectroscopy." The Journal of Chemical Physics 154, no. 24:241101. PNNL-SA-162396. doi:10.1063/5.0056541
• Wang C., M. Zamkov, and P.Z. El-Khoury. 2021. "Ambient Tip-Enhanced Photoluminescence with 5 nm Spatial Resolution." Journal of Physical Chemistry C 125, no. 22:12251-12255. PNNL-SA-163537. doi:10.1021/acs.jpcc.1c04012

2020

• Bhattarai A., B.T. O'Callahan, C. Wang, S. Wang, and P.Z. El-Khoury. 2020. "Spatio-Spectral Characterization of Multipolar Plasmonic Modes of Au Nanorods via Tip-Enhanced Raman Scattering." The Journal of Physical Chemistry Letters 11, no. 8:2870-2874. PNNL-SA-151304. doi:10.1021/acs.jpclett.0c00485
• Bhattarai A., K.T. Crampton, A.G. Joly, C. Wang, Z. Schultz, and P.Z. El-Khoury. 2020. "A Closer Look at Corrugated Au Tips." The Journal of Physical Chemistry Letters 11, no. 5:1915. PNNL-SA-150954. doi:10.1021/acs.jpclett.0c00305
• Wang C., B.T. O'Callahan, D. Kurouski, A.V. Krayev, and P.Z. El-Khoury. 2020. "The Prevalence of Anions at Plasmonic Nanojunctions: A Closer Look at P-Nitrothiophenol." The Journal of Physical Chemistry Letters 11, no. 10:3809-3814. PNNL-SA-152463. doi:10.1021/acs.jpclett.0c01006
• Wang C., B.T. O'Callahan, D. Kurouski, A.V. Krayev, Z. Schultz, and P.Z. El-Khoury. 2020. "Suppressing Molecular Charging, Nanochemistry, and Optical Rectification in the Tip-Enhanced Raman Geometry." The Journal of Physical Chemistry Letters 11, no. 15:5890-5895. PNNL-SA-153064. doi:10.1021/acs.jpclett.0c01413
• Wang C., Z. Cheng, B.T. O'Callahan, K.T. Crampton, M.R. Jones, and P.Z. El-Khoury. 2020. "Tip-Enhanced Multipolar Raman Scattering." The Journal of Physical Chemistry Letters 11, no. 7:2464-2469. PNNL-SA-151145. doi:10.1021/acs.jpclett.0c00559