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A new method to position and functionalize metal-organic framework crystals
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A new method to position and functionalize metal-organic framework crystals
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Journal Article
A new method to position and functionalize metal-organic framework crystals
2011
Overview
With controlled nanometre-sized pores and surface areas of thousands of square metres per gram, metal-organic frameworks (MOFs) may have an integral role in future catalysis, filtration and sensing applications. In general, for MOF-based device fabrication, well-organized or patterned MOF growth is required, and thus conventional synthetic routes are not suitable. Moreover, to expand their applicability, the introduction of additional functionality into MOFs is desirable. Here, we explore the use of nanostructured poly-hydrate zinc phosphate (α-hopeite) microparticles as nucleation seeds for MOFs that simultaneously address all these issues. Affording spatial control of nucleation and significantly accelerating MOF growth, these α-hopeite microparticles are found to act as nucleation agents both in solution and on solid surfaces. In addition, the introduction of functional nanoparticles (metallic, semiconducting, polymeric) into these nucleating seeds translates directly to the fabrication of functional MOFs suitable for molecular size-selective applications.
Metal-organic frameworks (MOFs) have potential catalysis, filtration and sensing applications, but device fabrication will require controlled MOF growth. Here, α-hopeite microparticles are used to achieve spatial control of MOF nucleation, and accelerate MOF growth.
Publisher
Nature Publishing Group UK,Nature Publishing Group
Subject
/ Biosensing Techniques - methods
/ Crystals
/ Humanities and Social Sciences
/ Organometallic Compounds - analysis
/ Organometallic Compounds - chemical synthesis
/ Organometallic Compounds - metabolism
/ Phosphates - chemical synthesis
/ Polymers - chemical synthesis
/ Science
