Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 3, Issue 22, Pages 11756-11761Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ta02217g
Keywords
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Funding
- National Natural Science Foundation of China [21376208, J1210042]
- Zhejiang Provincial Natural Science Foundation for Distinguished Young Scholars of China [LR13B030001]
- Specialized Research Fund for the Doctoral Program of Higher Education [J20130060]
- Program for Zhejiang Leading Team of ST Innovation
- Fundamental Research Funds for the Central Universities
- Partner Group Program of the Zhejiang University
- Max-Planck Society
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We report a novel, simple, and one-pot method for the synthesis of ultrafinely dispersed iron oxide based nanoparticles (NPs) embedded in a nitrogen doped carbon matrix (denoted as Fe2O3/Fe@CN). A well-designed iron oxide based hybrid that demonstrates high activity and excellent durability for the HER in alkaline solution has been reported for the first time. The catalyst displays a small Tafel slope of 114 mV per decade and good electrocatalytic stability for 30 000 seconds. Detailed electrochemical and physical studies indicate that the high HER activity of the hybrid catalyst results from the strong interaction between Fe-based NPs and N-doped graphitic carbon, and especially the synergistic effect of Fe and Fe2O3.
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