Shape selective nano-catalysts: Toward direct methanol fuel cells applications

Simona Elisabeta Murph, Ricardo D. Torres

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

A series of bimetallic core-shell-alloy type Au-Pt nanomaterials with various morphologies, aspect ratios and compositions, were produced in a heterogenous epitaxial fashion. Gold nanoparticles with well-controlled particle size and shape, e.g. spheres, rods and cubes, were used as "seeds" for platinum growth in the presence of a mild reducing agent, ascorbic acid and a cationic surfactant cethyltrimethyl ammonium bromide (CTAB). The reactions take place in air and water, and are quick, economical and amenable for scaling up. The synthesized nanocatalysts were characterized by electron microscopy techniques and energy dispersive X-ray analysis. Nafion membranes were embedded with the Au-Pt nanomaterials and analyzed by atomic force microscopy (AFM) and scanning electron microscopy (SEM) for their potential in direct methanol fuel cells applications.

Original languageEnglish (US)
Title of host publicationNanotechnology 2010
Subtitle of host publicationBio Sensors, Instruments, Medical, Environment and Energy - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010
Pages777-780
Number of pages4
StatePublished - Nov 9 2010
EventNanotechnology 2010: Bio Sensors, Instruments, Medical, Environment and Energy - 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010 - Anaheim, CA, United States
Duration: Jun 21 2010Jun 24 2010

Publication series

NameNanotechnology 2010: Bio Sensors, Instruments, Medical, Environment and Energy - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010
Volume3

Other

OtherNanotechnology 2010: Bio Sensors, Instruments, Medical, Environment and Energy - 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010
CountryUnited States
CityAnaheim, CA
Period6/21/106/24/10

Fingerprint

Direct methanol fuel cells (DMFC)
Nanostructured materials
Catalysts
Energy dispersive X ray analysis
Cationic surfactants
Ascorbic acid
Reducing Agents
Reducing agents
Platinum
Gold
Electron microscopy
Ascorbic Acid
Seed
Aspect ratio
Atomic force microscopy
Particle size
Nanoparticles
Membranes
Scanning electron microscopy
Water

Keywords

  • Gold-platinum core-shell/alloy
  • Nafion
  • Nanoparticles

ASJC Scopus subject areas

  • Bioengineering
  • Biomedical Engineering
  • Electrical and Electronic Engineering

Cite this

Murph, S. E., & Torres, R. D. (2010). Shape selective nano-catalysts: Toward direct methanol fuel cells applications. In Nanotechnology 2010: Bio Sensors, Instruments, Medical, Environment and Energy - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010 (pp. 777-780). (Nanotechnology 2010: Bio Sensors, Instruments, Medical, Environment and Energy - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010; Vol. 3).

Shape selective nano-catalysts : Toward direct methanol fuel cells applications. / Murph, Simona Elisabeta; Torres, Ricardo D.

Nanotechnology 2010: Bio Sensors, Instruments, Medical, Environment and Energy - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010. 2010. p. 777-780 (Nanotechnology 2010: Bio Sensors, Instruments, Medical, Environment and Energy - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010; Vol. 3).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Murph, SE & Torres, RD 2010, Shape selective nano-catalysts: Toward direct methanol fuel cells applications. in Nanotechnology 2010: Bio Sensors, Instruments, Medical, Environment and Energy - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010. Nanotechnology 2010: Bio Sensors, Instruments, Medical, Environment and Energy - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010, vol. 3, pp. 777-780, Nanotechnology 2010: Bio Sensors, Instruments, Medical, Environment and Energy - 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010, Anaheim, CA, United States, 6/21/10.
Murph SE, Torres RD. Shape selective nano-catalysts: Toward direct methanol fuel cells applications. In Nanotechnology 2010: Bio Sensors, Instruments, Medical, Environment and Energy - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010. 2010. p. 777-780. (Nanotechnology 2010: Bio Sensors, Instruments, Medical, Environment and Energy - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010).
Murph, Simona Elisabeta ; Torres, Ricardo D. / Shape selective nano-catalysts : Toward direct methanol fuel cells applications. Nanotechnology 2010: Bio Sensors, Instruments, Medical, Environment and Energy - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010. 2010. pp. 777-780 (Nanotechnology 2010: Bio Sensors, Instruments, Medical, Environment and Energy - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010).
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