Faculty News l Fac ty e s Wang, H.; Xie, Q.; Zhang, Y. and Xu, X.G. "Photothermally Probing Vibrational Excited-State Absorption with Nanoscale Spatial Resolution through Frequency Domain Pump-Probe Peak Force Infrared Microscopy" The Journal of Physical Chemistry C 2021, 125, 8333-8338. Wang, H.; González-Fialkowski, J.M.; Li, W.; Xie, Q. Yu, Y. and Xu, X.G. "Liquid-Phase Peak Force Infrared Microscopy for Chemical Nano-imaging and Spectroscopy" Analytical Chemistry 2021, 93, 7, 3567-3575. Zhang, Y.; Yurdakul, C.; Devaux, A.J.; Wang, L.; Xu, X.G.; Connor, J.H.; Unlu, M. S. and Cheng, J-X. "Vibrational Spectroscopic Detection of a Single Virus by Mid-Infrared Photothermal Microscopy" Analytical Chemistry 2021, 93, 8, 4100-4107. Wang, H.; Wang, L.; Janzen, E.; Edgar, J.H. and Xu, X.G. "Total Internal Reflection Peak Force Infrared Microscopy" Analytical Chemistry 2021, 93, 2, 731–736. Li, M.; Wang, H.; Li, W.; Xu, X.G. and Yu, Y. "Macrophage Activation on “Phagocytic Synapse” Arrays: Spacing of Nanoclustered Ligands Directs TLR1/2 Signaling with an Intrinsic Limit" Science Advances 2020, 6, DOI: 10.1126/sciadv.abc8482. Gusenbauer, C.; Nypelö, T.; Jakob, D.S.; Xu, X.G.; Vezenov, D.V; Asaadi, S.; Sixta, H. and Konnerth, J. "Differences in Surface Chemistry of Regenerated Lignocellulose Fibers Determined by Chemically Sensitive Scanning Probe Microscopy" International Journal of Biological Macromolecules 2020, 165, 2520-2527. Xiaoji Xu (Continued) Binghamton, Arizona State University, and Youngstown State University. She also gave a talk in the Lehigh University I-FMD (Institute for Functional Materials and Devices) Grand Rounds series. Professor Young, along with Professor Fredin, received funding from the Pittsburgh Foundation to create impactful research experiences for Lehigh undergraduates. In doing so, Young and Fredin established the PURE program (Photochemistry Undergraduate Research Experience), which combines computational and experimental physical chemistry research. Four Lehigh undergraduate students completed their first summer of work and they are now continuing their research projects during the 2021-2022 academic year. Professor Young published several articles over the past year on her work with proton-coupled electron transfer, the photophysics of several interesting donor-acceptor systems, and on the photophysics of antimony sulfide as a light absorbing material for next generation solar cells. Recent publications include: Pointer, C.; Buettner, P.; Scheler, F.; Döhler, D.; Mínguez-Bacho, I.; Bachmann, J.; Young, E.R. “Elucidating Mechanistic Details of Photo-Induced Charge Transfer in Antimony Sulfide-Based pin Junctions.” J. Phys Chem. C. 2021, 125, 18429–18437. Martin, S.M.; Oldacre,A.N.; Pointer, C.; Huang, T.; Repa, G.M.; Fredin, L.A.; Young, E.R.* “Proton-controlled Non-exponential Photoluminescence in a Pyridylamidine-substituted Re(I) Complex.” Dalton Transactions, 2021, 50, 7265-7276. Büttner, P.; Scheler, F.; Pointer, C.; Döhler, D; Yokosawa, T.; Spiecker, E.; Boix, P.P.; Young, E.R.*; Mínguez-Bacho, I.*, Bachmann, J.* “ZnS Ultrathin Interfacial Layers for Optimizing Carrier Management in Sb2S3-based Photovoltaics.” ACS Appl. Interfaces., 2021, 13, 11861–11868. Wehrmann, C.M.; Imran, M.; Pointer, C.A.; Fredin, L.A.*; Young, E.R.*; Chen, M.S.*, Spin Multiplicity Effects in Doublet versus Singlet Emission: The Photophysical Consequences of a Single Electron. Chem. Sci., 2020, 11, 10212-10219. Liz Young The Young Lab kept busy in the lab this past year carrying out synthesis and time-resolved spectroscopy experiments to understand the photochemistry of several systems ranging from photosensitizers for photodynamic therapy, to excited-state proton-coupled electron transfer, to antimony-sulfide based photovoltaics. Professor Young gave virtual seminars at Philadelphia University of the Sciences, SUNY Department of Chemistry · Page 13
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