F
Francisco Ruiz-Zepeda
Researcher at University of Texas at San Antonio
Publications - 94
Citations - 4198
Francisco Ruiz-Zepeda is an academic researcher from University of Texas at San Antonio. The author has contributed to research in topics: Catalysis & Electrocatalyst. The author has an hindex of 21, co-authored 79 publications receiving 2757 citations.
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Journal ArticleDOI
Laser-induced porous graphene films from commercial polymers
Jian Lin,Zhiwei Peng,Yuanyue Liu,Francisco Ruiz-Zepeda,Ruquan Ye,Errol L. G. Samuel,Miguel Jose Yacaman,Boris I. Yakobson,James M. Tour +8 more
TL;DR: A one-step, scalable approach for producing and patterning porous graphene films with 3-dimensional networks from commercial polymer films using a CO2 infrared laser to provide a rapid route to polymer-written electronic and energy storage devices.
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Influence of Stoichiometry on the Optical and Electrical Properties of Chemical Vapor Deposition Derived MoS2
In Soo Kim,Vinod K. Sangwan,Deep Jariwala,Joshua D. Wood,Spencer Park,Kan Sheng Chen,Fengyuan Shi,Francisco Ruiz-Zepeda,Arturo Ponce,Miguel Jose-Yacaman,Vinayak P. Dravid,Tobin J. Marks,Mark C. Hersam,Lincoln J. Lauhon +13 more
TL;DR: It is concluded that the electrical and optical properties of monolayer MoS2 crystals can be tuned via stoichiometry engineering to meet the requirements of various applications.
Journal ArticleDOI
Influence of Stoichiometry on the Optical and Electrical Properties of Chemical Vapor Deposition Derived MoS$_{2}$
In Soo Kim,Vinod K. Sangwan,Deep Jariwala,Joshua D. Wood,Spencer Park,Kan Sheng Chen,Fengyuan Shi,Francisco Ruiz-Zepeda,Arturo Ponce,Miguel Jose-Yacaman,Vinayak P. Dravid,Tobin J. Marks,Mark C. Hersam,Lincoln J. Lauhon +13 more
TL;DR: In this article, the authors systematically vary the stoichiometry of monolayer ultrathin transition metal dichalcogenides (TMDCs) during CVD via controlled sulfurization and investigate the associated changes in photoluminescence and electrical properties.
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Electrochemical Dissolution of Iridium and Iridium Oxide Particles in Acidic Media: Transmission Electron Microscopy, Electrochemical Flow Cell Coupled to Inductively Coupled Plasma Mass Spectrometry, and X-ray Absorption Spectroscopy Study
Primož Jovanovič,Nejc Hodnik,Francisco Ruiz-Zepeda,Iztok Arčon,Barbara Jozinović,Milena Zorko,Marjan Bele,Martin Šala,Vid Simon Šelih,Samo B. Hočevar,Miran Gaberšček +10 more
TL;DR: Electrochemically pre-oxidized E-Ir particles may be considered as the electrocatalyst of choice for an improved low-temperature electrochemical hydrogen production device, namely a proton exchange membrane electrolyzer.
Journal ArticleDOI
Gold–Copper Nano-Alloy, “Tumbaga”, in the Era of Nano: Phase Diagram and Segregation
Grégory Guisbiers,Sergio Mejía-Rosales,Subarna Khanal,Francisco Ruiz-Zepeda,Robert L. Whetten,Miguel José-Yacamán +5 more
TL;DR: It is found that the congruent melting point of these nanoparticles is shifted with respect to both size and composition (copper enrichment) and the most stable structures were determined to be the dodecahedron, truncated octahedrons, and icosahedron with a Cu-rich core/Au-rich surface.