Porous molybdenum carbide nano-octahedrons synthesized via confined carburization in metal-organic frameworks for efficient hydrogen production
Open Access
- 11 March 2015
- journal article
- research article
- Published by Springer Science and Business Media LLC in Nature Communications
- Vol. 6 (1), 6512
- https://doi.org/10.1038/ncomms7512
Abstract
Electrochemical water splitting has been considered as a promising approach to produce clean and sustainable hydrogen fuel. However, the lack of high-performance and low-cost electrocatalysts for hydrogen evolution reaction hinders the large-scale application. As a new class of porous materials with tunable structure and composition, metal-organic frameworks have been considered as promising candidates to synthesize various functional materials. Here we demonstrate a metal-organic frameworks-assisted strategy for synthesizing nanostructured transition metal carbides based on the confined carburization in metal-organic frameworks matrix. Starting from a compound consisting of copper-based metal-organic frameworks host and molybdenum-based polyoxometalates guest, mesoporous molybdenum carbide nano-octahedrons composed of ultrafine nanocrystallites are successfully prepared as a proof of concept, which exhibit remarkable electrocatalytic performance for hydrogen production from both acidic and basic solutions. The present study provides some guidelines for the design and synthesis of nanostructured electrocatalysts.Keywords
This publication has 50 references indexed in Scilit:
- The Chemistry and Applications of Metal-Organic FrameworksScience, 2013
- Recent developments in transition metal carbides and nitrides as hydrogen evolution electrocatalystsChemical Communications, 2013
- Enhanced catalytic activity in strained chemically exfoliated WS2 nanosheets for hydrogen evolutionNature Materials, 2013
- Highly active and durable nanostructured molybdenum carbide electrocatalysts for hydrogen productionEnergy & Environmental Science, 2013
- From Metal–Organic Framework to Nanoporous Carbon: Toward a Very High Surface Area and Hydrogen UptakeJournal of the American Chemical Society, 2011
- MoS2 Nanoparticles Grown on Graphene: An Advanced Catalyst for the Hydrogen Evolution ReactionJournal of the American Chemical Society, 2011
- Powering the planet with solar fuelNature Chemistry, 2009
- Highly Stable Crystalline Catalysts Based on a Microporous Metal−Organic Framework and PolyoxometalatesJournal of the American Chemical Society, 2009
- Formation of hexagonal η-MoC1−x phase at a temperature lower than 1660°C by solar radiation heating under presence of excess free carbonInternational Journal of Refractory Metals and Hard Materials, 2007
- Powering the planet: Chemical challenges in solar energy utilizationProceedings of the National Academy of Sciences of the United States of America, 2006