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Surfaces, Volume 2, Issue 1

March 2019 - 16 articles

Cover Story: Energy transfer between excited electrons and adsorbate vibrational modes is behind surface dynamics such as diffusion, desorption, and reaction. Here, we tune this energy transfer by decoupling CO from the Cu(110) surface with a metalloporphyrin. An ultrafast green pump pulse excites electrons into the CO 2π if CO binds directly to Cu(110), and infrared–visible sum frequency generation detects CO bond weakening as a frequency redshift. For CO coordinated to the metalloporphyrin, the 2π state is too high in energy and the observed frequency blueshift is caused by electron-mediated vibrational mode coupling. This is depicted below using the example of a PhD celebratory chocolate cake. View Paper here.

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Articles (16)

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Article

5 Citations

4,923 Views

13 Pages

Surface Investigation on Electrochemically Deposited Lead on Gold

Alicja Szczepanska,
Gary Wan,
Mattia Cattelan,
Neil A. Fox and
Natasa Vasiljevic

Surfaces2019, 2(1), 56-68;https://doi.org/10.3390/surfaces2010006

17 January 2019

Electrodeposition of Pb on Au has been of interest for the variety of surface phenomena such as the UnderPotential Deposition (UPD) and surface alloying. Here, we examined the interface between the electrodeposited Pb film on Au, using surface sensit...

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Editorial

2,048 Views

2 Pages

Acknowledgement to Reviewers of Surfaces in 2018

Surfaces Editorial Office

Surfaces2019, 2(1), 54-55;https://doi.org/10.3390/surfaces2010005

16 January 2019

Rigorous peer-review is the corner-stone of high-quality academic publishing [...]

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Article

10 Citations

4,348 Views

13 Pages

Co₃O₄ Nanopetals on Si as Photoanodes for the Oxidation of Organics

Leonardo Girardi,
Luca Bardini,
Niccolò Michieli,
Boris Kalinic,
Chiara Maurizio,
Gian Andrea Rizzi and
Giovanni Mattei

Surfaces2019, 2(1), 41-53;https://doi.org/10.3390/surfaces2010004

11 January 2019

Cobalt oxide nanopetals were grown on silicon electrodes by heat-treating metallic cobalt films deposited by DC magnetron sputtering. We show that cobalt oxide, with this peculiar nanostructure, is active towards the photo-electrochemical oxidation o...

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Article

3 Citations

4,572 Views

9 Pages

X-ray Absorption under Operating Conditions for Solid-Oxide Fuel Cells Electrocatalysts: The Case of LSCF/YSZ

Francesco Giannici,
Giuliano Gregori,
Alessandro Longo,
Alessandro Chiara,
Joachim Maier and
Antonino Martorana

Surfaces2019, 2(1), 32-40;https://doi.org/10.3390/surfaces2010003

8 January 2019

We describe a novel electrochemical cell for X-ray absorption spectroscopy (XAS) experiments during electrical polarization suitable for high-temperature materials such as those used in solid oxide fuel cells. A half-cell LSCF/YSZ was then investigat...

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Article

34 Citations

6,362 Views

16 Pages

Methanol Oxidation on Graphenic-Supported Platinum Catalysts

Gladys Arteaga,
Luis M. Rivera-Gavidia,
Sthephanie J. Martínez,
Rubén Rizo,
Elena Pastor and
Gonzalo García

Surfaces2019, 2(1), 16-31;https://doi.org/10.3390/surfaces2010002

6 January 2019

Graphene oxide (GO), reduced graphene oxide by thermal treatment (rGO-TT), nitrogen-modified rGO (N-rGO), and carbon Vulcan were synthesized and employed in the current work as catalyst support for Pt nanoparticles, to study their properties and impa...

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Article

6 Citations

4,525 Views

15 Pages

Electrochemical Behavior of Pt–Ru Catalysts Supported on Graphitized Ordered Mesoporous Carbons toward CO and Methanol Oxidation

Juan Carlos Calderón Gómez,
Verónica Celorrio,
Laura Calvillo,
David Sebastián,
Rafael Moliner and
María Jesús Lázaro Elorri

Surfaces2019, 2(1), 1-15;https://doi.org/10.3390/surfaces2010001

3 January 2019

In this work, graphitized ordered mesoporous carbons (gCMK-3) were employed as support for Pt and Pt–Ru nanoparticles synthesized by different reduction methods. The catalysts displayed metal contents and Pt:Ru atomic ratios close to 20 wt % an...

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