Our lab has combined tip-based electrochemical techniques, including scanning electrochemical microscopy (SECM) and resistive sensing, with optical microscopy in order to understand how light and/or applied potential can facilitate electrochemical reactions of interest.
L. Zhang, O.J. Wahab, A.A. Jallow, Z.J. O’Dell, T. Pungsrisai, S. Sridhar, K.L. Vernon, K.A. Willets, L.A. Baker. “Recent Developments in Single Entity Electrochemistry.” Anal. Chem. 96, 8036 (2024).
Y. Yu, J.D. Williams, K.A. Willets. “Quantifying Photothermal Heating at Plasmonic Nanoparticles by Scanning Electrochemical Microscopy.” Faraday Discussions. 210, 29 (2018).
Y. Yu, V. Sundaresan, K.A. Willets. “Hot Carriers vs. Thermal Effects: Resolving the Enhancement Mechanisms for Plasmon-Mediated Photoelectrochemical Reactions.” J. Phys. Chem. C. 122, 5040 (2018).
Y. Yu, V. Sundaresan, S. Bandyopadhyay, Y. Zhang, M.A. Edwards, K. McKelvey, H.S. White, K.A. Willets. “Three-Dimensional Super-Resolution Imaging of Single Nanoparticles Delivered by Pipettes.” ACS Nano. 11, 10529 (2017).
V. Sundaresan, K. Marchuk, Y. Yu, E.J. Titus, A.J. Wilson, C.M. Armstrong, B. Zhang, K.A. Willets. “Visualizing and Calculating Tip-Substrate Distance in Nanoscale Scanning Electrochemical Microscopy Using 3-Dimensional Super-Resolution Optical Imaging.” Anal. Chem. 89, 922 (2017).
C. Renault, K. Marchuk, H.S. Ahn, E.J. Titus, J. Kim, K.A. Willets, A.J. Bard. “Observation of nanometer-sized electro-active defects in insulating layers by fluorescence microscopy and electrochemistry.” Anal Chem. 87, 5730 (2015).