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Steam-assisted Facile Low-temperature Crystallization and Interconnection of metal oxide
Steam-assisted Facile Low-temperature Crystallization and Interconnection of metal oxide
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机译：蒸汽辅助容易的低温结晶和金属氧化物的互连
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摘要
The present invention relates to a method for manufacturing a structure in which mesopore metal oxide crystal grains are interconnected. Step A of preparing a precursor solution containing a metal oxide source, a mesopore-directing agent, an acid catalyst and a solvent ; In the step of evaporating the solvent from the precursor solution, mesopores are formed in the metal oxide by the mesopore-inducing agent while the mesopore-inducing agent and the hydrolyzed metal source undergo self-assembly, and the mesopore-inducing agent is added to the mesopores. B step of forming a filled and aggregated metal oxide structure; C step of carbonizing the mesopore-inducing agent filled in the mesopores; Steam treatment at a temperature lower than the carbonization temperature of step C, D step of interconnection (interconnection) in a fused polycrystalline form (polycrystallineform) metal oxide nanoparticles while maintaining the mesopore structure; and step E of removing the carbonized aggregates in the mesopores. The method for low-temperature crystallization and interconnection of metal oxides by steam treatment according to the present invention can form highly ordered crystalline metal oxide structures and has high reproducibility, so that the production scale can be increased.
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