Recently, much attention has been paid to nanostructured materials with a hierarchicalarchitecture due to their large specific surface area, high porosity,high structural stability, as well as significantly enhancedperformances, e.g., electro-chemical responses, high ionictransport, enhanced adsorption capacity and catalytic activity, incomparison with their common counterparts. LDH is onetype of such widely studied nanostructured materials. Fabricationof hierarchical LDHs with a hollow or highly porous structure iscurrently an active approach to control the properties of LDHs.Various researchers have found that hollow or porous LDHs canbe prepared by using a template,applying bubbles,oremploying acid or alkali to etch LDHs.
Recently, much attention has been paid to nanostructured materials with a hierarchical<br>architecture due to their large specific surface area, high porosity,<br>high structural stability, as well as significantly enhanced<br>performances, e.g., electro-chemical responses, high ionic<br>transport, enhanced adsorption capacity and catalytic activity, in<br>comparison with their common counterparts. LDH is one<br>type of such widely studied nanostructured materials. Fabrication<br>of hierarchical LDHs with a hollow or highly porous structure is<br>currently an active approach to control the properties of LDHs.<br>Various researchers have found that hollow or porous LDHs can<br>be prepared by using a template,applying bubbles,or<br>employing acid or alkali to etch LDHs.
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