Dual-porosity materials containing both macropores and mesopores are highly desired in many fields. In this work, we prepared dual-porosity MnO cube materials with large-pore mesopores, in which, macropores are made by using carbon spheres as the hard templates, while the mesopores are produced via a template-free route. The attained dual-porosity MnO materials have 24nm of large-pore mesopores and 700nm of macropores.
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