Inorganic Heterostructured Materials Based on Clay Minerals
Porous heterostructures based on clay minerals are of great importance, especially in developing nanoporous materials with pre-designed properties, e.g. so that they can be used as alternatives to zeolites (as catalysts). Pillaring strategies have been applied for many years to prepare conventional pillared clays (PILCs) and more recently clay heterostructures with modulated and larger porosity. Here, an overview of the diverse types of, and the main approaches developed to prepare, inorganic heterostructures based on clay minerals is given, from the classical PILCs to the most recent systems prepared by assembly of clay minerals and other inorganic solids. The state of the art in terms of strategies of synthesis, new trends, and applications beyond catalysis are described to highlight the many opportunities still available in this research area.
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The one day workshop on which this volume was based focused on the development and use of advanced materials based on clays, and it was attended by well over 100 participants who were closely engaged with the speakers and participated in active question/answer and discussion sessions. The papers collected in this volume represent some of the most outstanding research presented at the workshop and each represents an exciting step forward in the development and integration of clay minerals into active and functional materials.