Publications of Juan Velasco Vélez

All genres

Journal Article (52)

2017

Journal Article

Kube, Pierre, Benjamin Frank, Sabine Wrabetz, Jutta Kröhnert, Michael Hävecker, Juan Velasco Vélez, Johannes Noack, Robert Schlögl and Annette Trunschke: Functional Analysis of Catalysts for Lower Alkane Oxidation.

MPG.PuRe

DOI

Full

Journal Article

Pfeifer, Verena, Travis Jones, Juan Velasco Vélez, Rosa Arrigo, Simone Piccinin, Michael Hävecker, Axel Knop-Gericke and Robert Schlögl: In situ observation of reactive oxygen species forming on oxygen-evolving iridium surfaces.

MPG.PuRe

DOI

publisher-version

Journal Article

Schön, Daniela, Ronny Golnak, Marc F. Tesch, Bernd Winter, Juan Velasco Vélez, Emad F. Aziz and Jie Xiao: Bulk-Sensitive Detection of the Total Ion Yield for X-ray Absorption Spectroscopy in Liquid Cells.

MPG.PuRe

DOI

Journal Article

Schön, Daniela, Jie Xiao, Ronny Golnak, Marc F. Tesch, Bernd Winter, Juan Velasco Vélez and Emad F. Aziz: Introducing Ionic-Current Detection for X-ray Absorption Spectroscopy in Liquid Cells.

MPG.PuRe

DOI

Journal Article

Velasco Vélez, Juan, Michael Hävecker, Axel Knop-Gericke, Christoph Schwanke, Lifei Xi, Lathrin M. Lange, Jie Xiao, Marc F. Tesch, Ronny Golnak, Tristan Petit, Ljiljana Puskar, Ulrich Schade, Mario Borgwardt, Igor Kiyan, Robert Seidel and Emad F. Aziz: Multiscale Photo-Based In-Situ and Operando Spectroscopies in Time and Energy Landscapes.

MPG.PuRe

DOI

Full

Journal Article

Velasco Vélez, Juan, Travis Jones, Verena Pfeifer, Chung-Li Dong, Yu-Xun Chen, Chieh-Ming Chen, Hsin-Yu Chen, Ying-Rui Lu, Jin-Ming Chen and Robert Schlögl: Trends in reactivity of electrodeposited 3d transition metals on gold revealed by operando soft x-ray absorption spectroscopy during water splitting.

MPG.PuRe

DOI

Full

2016

Journal Article

Kozmenkova, Anna Ya., Elmar Yu. Kataev, Alina I. Belova, Matteo Amati, Luca Gregoratti, Juan Velasco Vélez, Axel Knop-Gericke, Boris Senkovsky, Denis V. Vyalikh, Daniil M. Itkis, Yang Shao-Horn and Lada V. Yashina: Tuning surface chemistry of TiC electrodes for lithium-air batteries.

MPG.PuRe

DOI

Journal Article

Pfeifer, Verena, Travis Jones, Juan Velasco Vélez, Cyriac Massué, Rosa Arrigo, Detre Teschner, Frank Girgsdies, Michael Scherzer, Mark Greiner, Jasmin Allan, Maike Hashagen, Gisela Weinberg, Simone Piccinin, Michael Hävecker, Axel Knop-Gericke and Robert Schlögl: The electronic structure of iridium and its oxides.

MPG.PuRe

DOI

Full

Journal Article

Pfeifer, Verena, Travis Jones, Juan Velasco Vélez, Cyriac Massué, Mark Greiner, Rosa Arrigo, Detre Teschner, Frank Girgsdies, Michael Scherzer, Jasmin Allan, Maike Hashagen, Gisela Weinberg, Simone Piccinin, Michael Hävecker, Axel Knop-Gericke and Robert Schlögl: The Electronic Structure of Iridium Oxide Electrodes Active in Water Splitting.

MPG.PuRe

DOI

publisher-version

Journal Article

Pfeifer, Verena, Travis Jones, Sabine Wrabetz, Cyriac Massué, Juan Velasco Vélez, Rosa Arrigo, Michael Scherzer, Simone Piccinin, Michael Hävecker, Axel Knop-Gericke and Robert Schlögl: Reactive oxygen species in iridium-based OER catalysts.

MPG.PuRe

DOI

publisher-version

Journal Article

Velasco Vélez, Juan, Verena Pfeifer, Michael Hävecker, Ruizhi Wang, Alba Centeno, Amaia Zurutuza, Gerardo Algara-Siller, Eugen Stotz, Katarzyna Skorupska, Detre Teschner, Pierre Kube, Philipp Braeuninger-Weimer, Stephan Hofmann, Robert Schlögl and Axel Knop-Gericke: Atmospheric pressure X-ray photoelectron spectroscopy apparatus: Bridging the pressure gap.

MPG.PuRe

DOI

Full

supplementary-material

2015

Journal Article

Velasco Vélez, Juan, Verena Pfeifer, Michael Hävecker, Robert S. Weatherup, Rosa Arrigo, Cheng-Hao Chuang, Eugen Stotz, Gisela Weinberg, Miquel Salmeron, Robert Schlögl and Axel Knop-Gericke: Photoelectron Spectroscopy at the Graphene–Liquid Interface Reveals the Electronic Structure of an Electrodeposited Cobalt/Graphene Electrocatalyst.

MPG.PuRe

DOI

Full

supplementary-material

Book Chapter (2)

2024

Book Chapter

Chuang, Cheng-Hao, Jinghua Guo and Juan Velasco Vélez: Soft X-ray absorption spectroscopy at the liquid-solid interface.

MPG.PuRe

DOI

2021

Book Chapter

Velasco Vélez, Juan: Soft X-ray Absorption Spectroscopy at the Solid-Gas Interface.

MPG.PuRe

DOI

Conference Paper (1)

2021

Conference Paper

Doll, Theodor, Jonas Oberröhrmann, Stefan Baum, Robert Köhler, Helmut Schütte, Stefan Gassmann, Simon Thies, Hans Baum, Juan Velasco-Velez, Victor Manuel Fuenzalida and Achim Walter Hassel: Probing Ionization Energies for Trace Gas Identification: The Micro Photo Electron Ionization Detector (PEID).

(CSAC2021: 1st International Electronic Conference on Chemical Sensors and Analytical Chemistry, Online, Jul 2021).

MPG.PuRe

DOI

Full

Talk (25)

2022

Talk

Velasco Vélez, Juan: Controlling Thermo- and Electro-Catalytic Selective Hydrogenation Reactions With Pd Based Catalysts.

(FHI-Workshop on Current Research Topics at the FHI, Potsdam, Germany, May 2022).

MPG.PuRe

Talk

Velasco Vélez, Juan: Introduction to NEXAFS-Principle and Applications.

(HZB Photon School 2022, Online Event, Apr 2022).

MPG.PuRe

Talk

Velasco Vélez, Juan: Operando Spectroscopy Characterization of the Oxygen Evolution Reaction on IrO_x Electrodes.

(Seminar, Karlsruhe Institute of Technology (KIT), Online Event, Feb 2022).

MPG.PuRe

Talk

Velasco Vélez, Juan: Rising the Pressure Up From UHV to 1 Bar in Gas Phase and Bulk Liquid in Operando PES.

(Seminar, ALBA, Barcelona, Spain, Apr 2022).

MPG.PuRe

2021

Talk

Velasco Vélez, Juan: Revealing the Electronic Structure of the Electrified Copper-Electrolyte Interface During the CO₂RR by In Situ Photo-Electron Spectroscopy and In Situ Electron Microscopy.

(Seminar, BESSY , Online Event, Jul 2021).

MPG.PuRe