PIPOXS Publications

Publication Covers

2024:

Lopez-Astacio H., Vargas-Perez B.L., Del Valle-Perez A., Pollock C.J., and Cunci L. "Open-source electrochemical cell for in situ X-ray absorption spectroscopy in transmission and fluorescence modes." J. Synchrotron Rad., 31, 322-327, 2024. doi:  10.1107/S1600577524000122. Instrument: ID2A (PIPOXS)

Xu W., Zeng R., Rebarchik M., Posada-Borbón A., Li H., Pollock C.J., Mavrikakis M., Abruña H.D. "Atomically Dispersed Zn/Co–N–C as ORR Electrocatalysts for Alkaline Fuel Cells." J. Am. Chem. Soc., 146, 4, 2593-2603, 2024. doi: 10.1021/jacs.3c11355. Instrument: ID2A (PIPOXS)

2023

Chen P-C., Chen C., Yang Y., Maulana A.L., Jin J., Feijoo J., and Yang P. "Chemical and Structural Evolution of AgCu Catalysts in Electrochemical CO2 Reduction". J. Am. Chem. Soc., 145, 18, 10116–10125, 2023. doi: 10.1021/jacs.3c00467. Instrument: ID2A (PIPOXS)

Feijóo J., Yang Y., Fonseca Guzman M.V., Vargas A., Chen C., Pollock C.J., Yang P. "Operando High-Energy-Resolution X-ray Spectroscopy of Evolving Cu Nanoparticle Electrocatalysts for CO2 Reduction." J. Am. Chem. Soc., 145, 37, 20208-20213, 2023. doi: 10.1021/jacs.3c08182. Instrument: ID2A (PIPOXS)

Pollock C.J., Debefve L.M. " Resonant Excitation Unlocks Chemical Selectivity of Platinum Lβ Valence-to-Core X-ray Emission Spectra." Inorg. Chem., 62, 34,13681-13691, 2023. doi: 10.1021/acs.inorgchem.3c01930. Instrument: ID2A (PIPOXS)

Yang Y., Louisia S., Yu S., Jin J., Roh I., Chen C., Fo Wang C., Muller D.A., Abruña H.D., Yang P. "Operando studies reveal active Cu nanograins for CO2 electroreduction". Nature, 614, 7947, 262-269, 2023. doi: 10.1038/s41586-022-05540-0. Instrument: ID2A (PIPOXS)

Yang Y., Shao Y.T., Abruña H.D., Muller D.A., Yang P. "Operando Electrochemical Liquid-Cell 4D-STEM Studies of Dynamic Evolution of Cu Nanocatalysts for CO2 Reduction." Microscopy and Microanalysis, 29, 1, 1300–1301, 2023. doi: 10.1093/micmic/ozad067.665. Instrument: ID2A (PIPOXS)

Xu W., Lang S., Wang K., Zeng R., Li H., Feng X., Krumov M.R., Bak S.M., Pollock C.J., Yeo J., Du Y., Abruña H.D. "Fundamental mechanistic insights into the catalytic reactions of Li─S redox by Co single-atom electrocatalysts via operando methods." Sci., Adv., 9, 33, 2023. doi: 10.1126/sciadv.adi5108. Instrument: ID2A (PIPOXS)

 

2022

Frontini F, Lebert BW, Cho KK, Song MS, Cho BK, Pollock CJ, Kim YJ. "Intermediate valence state in YbB4revealed by resonant x-ray emission spectroscopy." J. Phy.s Condens. Matter., 34, 34, 2022. doi: 10.1088/1361-648X/ac7629. Instrument: ID2A (PIPOXS)

Park K.C., Martin C.R., Leith G.A., Thaggard G.C., Wilson G.R., Yarbrough B.J., Kankanamalage B.K.P.M, Kittikhunnatham P., Mathur A., Jatoi I., Manzi M.A., Lim J., Lehman-Andino I., Hernandez-Jimenez A., Amoroso J.W., DiPrete D.P., Liu Y., Schaeperkoetter J., Misture S.T, Phillpot S.R., Hu S., Li Y., Leydier A., Proust V., Grandjean A., Smith M.D., and Shustova N.B. "Capture Instead of Release: Defect-Modulated Radionuclide Leaching Kinetics in Metal–Organic Frameworks" Journal of the American Chemical Society, 144 (35), 16139-16149, 2022. doi: 10.1021/jacs.2c06905. Instrument: ID2A (PIPOXS)

 

2021

Debefve L. M, Pollock C. J. "Systematic assessment of DFT methods for geometry optimization of mononuclear platinum-containing complexes". Phys. Chem. Chem. Phys. 10, 23(43):24780-24788, 2021. doi: 10.1039/d1cp01851e. Instrument: ID2A (PIPOXS)

Han H., Yao Y., and Robinson R.D. "Interplay between Chemical Transformations and Atomic Structure in Nanocrystals and Nanoclusters." Accounts of Chemical Research, 54, 3, 509-519. 2021. doi: 10.1021/acs.accounts.0c00704 Instrument: ID2A (PIPOXS)

Soto-Pérez J., Betancourt L.E., Trinidad P., Larios E., Rojas-Pérez A., Quintana G., Sasaki K., Pollock C.J., Debefve L.M., and Cabrera C.R. "In Situ X-ray Absorption Spectroscopy of PtNi-Nanowire/Vulcan XC-72R under Oxygen Reduction Reaction in Alkaline Media." ACS omega, 2021. doi: 10.1021/acsomega.1c00792 Instrument: ID2A (PIPOXS)

Yuan Y., Bhargava A., and Robinson R.D. "Fe Cations Control the Plasmon Evolution in CuFeS2 Nanocrystals." Chemistry of Materials, 33, 2, 608-615. 2021. doi: 10.1021/acs.chemmater.0c03829  Instrument: ID2A (PIPOXS)

2020

Cunci Li., González-Colón V., Vargas-Pérez B.L., Ortiz-Santiago J., Pagán M.,  Carrion P., Cruz J., Molina-Ontoria ., Martinez N., Silva W., Echegoyen L., and Cabrera C.R. "Multicolor Fluorescent Graphene Oxide Quantum Dots for Sensing Cancer Cell Biomarkers." ACS Applied Nano Materials 4, 1, 211-219. 2020. doi: 10.1021/acsanm.0c02526 Instrument: ID2A (PIPOXS)

DiMucci I.M., MacMillan S.N., Walroth R.C, and Lancaster K.M. "Scrutinizing “Ligand Bands” via Polarized Single-Crystal X-ray Absorption Spectra of Copper (I) and Copper (II) Bis-2, 2′-bipyridine Species." Inorganic Chemistry 59, 18, 13416-13426. 2020. doi: 10.1021/acs.inorgchem.0c01800 Instrument: ID2A (PIPOXS)