Dr. Soriaga’s research interests include:  surface science of electrocatalysis; electrochemistry of nanostructured interfaces; electrode-surface coordination and organometallic chemistry; mixed-metal electrocatalysts for fuel cell applications; heterogenization of molecular catalysts; metal hydrides for hydrogen storage; surface redox capacity and cellular toxicity of nanoparticles, operando scanned-probe microscopy, differential electrochemical mass spectrometry; ex situin situ, and operandospectroscopy of electrode surfaces; and electrochemical surface science of heterogeneous reactions at the core of artificial photosynthesis.

In JCAP, Dr. Soriaga’s present research is focused on electrocatalytic reactions that underpin artificial photosynthesis; specifically, directed discovery of earth-abundant electrocatalysts, development of advanced surface-science methods for the characterization of benchmarked catalysts, and exploration of structure-composition-activity relationships to guide the expansion of catalyst-discovery strategies.  The overall strategy seeks to gain basic understanding of the relationship between structure, composition, and reactivity; such knowledge is then implemented towards the synthesis of better catalysts.

 

Selected Publications

Baricuatro, J. H., Kim, Y.-G., Korzeniewski, C. L., Soriaga, M. P. Seriatim ECSTM-ECPMIRS of the adsorption of carbon monoxide on Cu(100) in alkaline solution at CO2-reduction potentials. Electrochemistry Communications, 91, 1-4, DOI: https://doi.org/10.1016/j.elecom.2018.04.016 (2018).

Tsang, C., Javier, A., Kim, Y.-G., Baricuatro, J., Cummins, K., Kim, J., Jerkiewicz, G., Hemminger, J., Soriaga, J. Potential-Dependent Adsorption of CO and Its Low-Overpotential Reduction to CH3CH2OH on Cu(511) Surface Reconstructed from Cu(pc): Operando Studies by Seriatim STM-EQCN-DEMS. J. Electrochem. Soc. 165, J3350-J3354, DOI: 10.1149/2.0451815jes (2018).

Hahn, C., Hatsukade, T., Kim, Y.-G., Vailionis, A., Baricuatro, J. H., Higgins, D. C., Nitopi, S. A., Soriaga, M. P., and Jaramillo, T. F. Engineering Cu surfaces for the electrocatalytic conversion of CO2: Controlling selectivity toward oxygenates and hydrocarbons. Proceedings of the National Academy of Sciences, DOI: 10.1073/pnas.1618935114 (2017).

Saadi, F. H., Carim, A. I., Drisdell, W. S., Gul, S., Baricuatro, J. H., Yano, J., Soriaga, M. P., Lewis, N. S. Operando Spectroscopic Analysis of CoP Films Electrocatalyzing the Hydrogen-Evolution Reaction. Journal of the American Chemical Society, DOI: 10.1021/jacs.7b07606 (2017).

Soriaga, M. P., Baricuatro, J. H., Javier, A., A., Kim, Y.-G., Cummins, K. D., Tsang, C. F. Electrochemical Surface Science of CO2 Reduction at Well-Defined Cu Electrodes: Surface Characterization by Emersion, Ex Situ, In Situ, and Operando Methods. Reference Module in Chemistry, Molecular Sciences and Chemical Engineering, DOI: https://doi.org/10.1016/B978-0-12-409547-2.13643-1 (2017).

Javier, A. et al. A DEMS Study of the Reduction of CO2, CO, and HCHO Pre-Adsorbed on Cu Electrodes: Empirical Inferences on the CO2RR Mechanism. Electrocatalysis, 1-5, DOI: 10.1007/s12678-015-0246-1(2015).

Javier, A. et al. Overlayer Au-on-W Near-Surface Alloy for the Selective Electrochemical Reduction of CO2to Methanol: Empirical (DEMS) Corroboration of a Computational (DFT) Prediction. Electrocatalysis, DOI: 10.1007/s12678-015-0276-8 (2015).

Soriaga, M. P. et al. Electrochemical surface science twenty years later: Expeditions into the electrocatalysis of reactions at the core of artificial photosynthesis. Surface Science 631, 285-294, DOI: 10.1016/j.susc.2014.06.028 (2015).

Kim, Y. G., Baricuatro, J. H., Javier, A., Gregoire, J. M. & Soriaga, M. P. The Evolution of the Polycrystalline Copper Surface, First to Cu(111) and Then to Cu(100), at a Fixed CO2RR Potential: A Study by Operand EC-STM. Langmuir 30, 15053-15056, DOI: 10.1021/la504445g (2014).

For a complete list of publications, see JCAP publications page.

 

Additional Information

Video:  Surface Science at JCAP