Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 134, Issue 42, Pages 17388-17391Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja307475c
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Funding
- National Research Foundation (Singapore) [NRF2009EWRCERP001-036]
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Fe2O3 microboxes with hierarchically structured shells have been synthesized simply by annealing Prussian blue (PB) microcubes. By utilizing simultaneous oxidative decomposition of PB microcubes and crystal growth of iron oxide shells, we have demonstrated a scalable synthesis of anisotropic hollow structures with various shell architectures. When evaluated as an anode material for lithium ion batteries, the Fe2O3 microboxes with a well-defined hollow structure and hierarchical shell manifested high specific capacity (similar to 950 mA h g(-1) at 200 mA g(-1)) and excellent cycling performance.
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