Publications of Juan Velasco Vélez

J. Velasco Vélez, K. Skorupska, E. Frei, Y.-C. Huang, C.-L. Dong, B.-J. Su, C.- J. Hsu, H.-Y. Chou, J.-M. Chen, P. Strasser, R. Schlögl, A. Knop-Gericke and C.-H. Chuang: The Electro-Deposition/Dissolution of CuSO₄ Aqueous Electrolyte Investigated by In Situ Soft X-ray Absorption Spectroscopy. The Journal of Physical Chemistry B 122 (2), 780–787 (2018).

A. Knop-Gericke, V. Pfeifer, J. Velasco Vélez, T. Jones, R. Arrigo, M. Hävecker and R. Schlögl: In situ X-ray photoelectron spectroscopy of electrochemically active solid-gas and solid-liquid interfaces. Journal of Electron Spectroscopy and Related Phenomena 221, 10–17 (2017).

D. Schön, R. Golnak, M.F. Tesch, B. Winter, J. Velasco Vélez, E.F. Aziz and J. Xiao: Bulk-Sensitive Detection of the Total Ion Yield for X-ray Absorption Spectroscopy in Liquid Cells. The Journal of Physical Chemistry Letters 8 (20), 5136–5140 (2017).

D. Schön, J. Xiao, R. Golnak, M.F. Tesch, B. Winter, J. Velasco Vélez and E.F. Aziz: Introducing Ionic-Current Detection for X-ray Absorption Spectroscopy in Liquid Cells. The Journal of Physical Chemistry Letters 8 (9), 2087–2092 (2017).

V. Pfeifer, T. Jones, J. Velasco Vélez, R. Arrigo, S. Piccinin, M. Hävecker, A. Knop-Gericke and R. Schlögl: In situ observation of reactive oxygen species forming on oxygen-evolving iridium surfaces. Chemical Science 8 (3), 2143–2149 (2017).

J. Velasco Vélez, T. Jones, V. Pfeifer, C.-L. Dong, Y.-X. Chen, C.-M. Chen, H.-Y. Chen, Y.-R. Lu, J.-M. Chen and R. Schlögl: Trends in reactivity of electrodeposited 3d transition metals on gold revealed by operando soft x-ray absorption spectroscopy during water splitting. Journal of Physics D 50 (2), 024002 (2017).

P. Kube, B. Frank, S. Wrabetz, J. Kröhnert, M. Hävecker, J. Velasco Vélez, J. Noack, R. Schlögl and A. Trunschke: Functional Analysis of Catalysts for Lower Alkane Oxidation. ChemCatChem 9 (4), 573–585 (2017).

J. Velasco Vélez, M. Hävecker, A. Knop-Gericke, C. Schwanke, L. Xi, L.M. Lange, J. Xiao, M.F. Tesch, R. Golnak, T. Petit, L. Puskar, U. Schade, M. Borgwardt, I. Kiyan, R. Seidel and E.F. Aziz: Multiscale Photo-Based In-Situ and Operando Spectroscopies in Time and Energy Landscapes. Synchrotron Radiation News 30 (2), 14–19 (2017).

A.Y. Kozmenkova, E.Y. Kataev, A.I. Belova, M. Amati, L. Gregoratti, J. Velasco Vélez, A. Knop-Gericke, B. Senkovsky, D.V. Vyalikh, D.M. Itkis, Y. Shao-Horn and L.V. Yashina: Tuning surface chemistry of TiC electrodes for lithium-air batteries. Chemistry of Materials 26 (22), 8248–8255 (2016).

V. Pfeifer, T. Jones, S. Wrabetz, C. Massué, J. Velasco Vélez, R. Arrigo, M. Scherzer, S. Piccinin, M. Hävecker, A. Knop-Gericke and R. Schlögl: Reactive oxygen species in iridium-based OER catalysts. Chemical Science 7 (11), 6791–6795 (2016).

V. Pfeifer, T. Jones, J. Velasco Vélez, C. Massué, R. Arrigo, D. Teschner, F. Girgsdies, M. Scherzer, M. Greiner, J. Allan, M. Hashagen, G. Weinberg, S. Piccinin, M. Hävecker, A. Knop-Gericke and R. Schlögl: The electronic structure of iridium and its oxides. Surface and Interface Analysis 48 (5), 261–273 (2016).

J. Velasco Vélez, V. Pfeifer, M. Hävecker, R. Wang, A. Centeno, A. Zurutuza, G. Algara-Siller, E. Stotz, K. Skorupska, D. Teschner, P. Kube, P. Braeuninger-Weimer, S. Hofmann, R. Schlögl and A. Knop-Gericke: Atmospheric pressure X-ray photoelectron spectroscopy apparatus: Bridging the pressure gap. Review of Scientific Instruments 87 (5), 053121 (2016).

V. Pfeifer, T. Jones, J. Velasco Vélez, C. Massué, M. Greiner, R. Arrigo, D. Teschner, F. Girgsdies, M. Scherzer, J. Allan, M. Hashagen, G. Weinberg, S. Piccinin, M. Hävecker, A. Knop-Gericke and R. Schlögl: The Electronic Structure of Iridium Oxide Electrodes Active in Water Splitting. Physical Chemistry Chemical Physics 18 (4), 2292–2296 (2016).

J. Velasco Vélez, V. Pfeifer, M. Hävecker, R.S. Weatherup, R. Arrigo, C.-H. Chuang, E. Stotz, G. Weinberg, M. Salmeron, R. Schlögl and A. Knop-Gericke: Photoelectron Spectroscopy at the Graphene–Liquid Interface Reveals the Electronic Structure of an Electrodeposited Cobalt/Graphene Electrocatalyst. Angewandte Chemie International Edition 54 (48), 14554–14558 (2015).

J. Velasco Vélez, V. Pfeifer, M. Hävecker, R.S. Weatherup, R. Arrigo, C.-H. Chuang, E. Stotz, G. Weinberg, M. Salmeron, R. Schlögl and A. Knop-Gericke: Photoelektronenspektroskopie an der Graphen-Flüssigelektrolyt-Grenzfläche zur Bestimmung der elektronischen Struktur eines elektrochemisch abgeschiedenen Cobalt/Graphen-Elektrokatalysators. Angewandte Chemie 127 (48), 14762–14766 (2015).

C.-H. Chuang, J. Guo and J. Velasco Vélez: Soft X-ray absorption spectroscopy at the liquid-solid interface. In: Encyclopedia of Solid-Liquid Interfaces. 1. ed. Elsevier, Amsterdam, 173–191 (2024).

J. Velasco Vélez: Soft X-ray Absorption Spectroscopy at the Solid-Gas Interface. In: Ambient Pressure Spectroscopy in Complex Chemical Environments. (Eds.): A.R. Head, S. Nemsak, and B. Eren. (ACS Symposium Series). American Chemical Society, Washington, DC, 93–118 (2021).

T. Doll, J. Oberröhrmann, S. Baum, R. Köhler, H. Schütte, S. Gassmann, S. Thies, H. Baum, J. Velasco-Velez, V.M. Fuenzalida and A.W. Hassel: Probing Ionization Energies for Trace Gas Identification: The Micro Photo Electron Ionization Detector (PEID). In: CSAC2021: 1st International Electronic Conference on Chemical Sensors and Analytical Chemistry: session Gas Sensors. (Ed.): E. Massera. MDPI, Basel, sciforum-046163 (2021).

J. Velasco Vélez:

J. Velasco Vélez: