Journal
CHEMICAL COMMUNICATIONS
Volume 54, Issue 8, Pages 996-999Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7cc09580e
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Funding
- National Natural Science Foundation of China [51778229]
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The lattice strain of IrO2 plays a critical role in determining its OER activity. The Ir-O bond length change in IrO6 coordination induces lattice strain. Increasing the annealing temperature results in a stretching strain along the c axis and a compressive strain on the a and b axes, leading to a larger c/a ratio. Enhancing the lattice strain decreases the c/a ratio, which is beneficial for improving OER activity.
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