Metal–organic frameworks: A tunable platform to access single-site heterogeneous catalysts

[Display omitted] •Single-site heterogeneous catalysts (SSHC) can exist within MOFs as immobilized elements, i.e. on the node or linker, or as encapsulated species.•Site isolation and periodicity of active sites play important roles in activity and characterization of MOF-based SSHCs.•Comparisons of...

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Bibliographic Details
Published in:Applied catalysis. A, General General, 2019-09, Vol.586 (C), p.117214, Article 117214
Main Authors: Wasson, Megan C., Buru, Cassandra T., Chen, Zhijie, Islamoglu, Timur, Farha, Omar K.
Format: Article
Language:English
Subjects:
Catalysts
Catalytic activity
Heterogeneous catalysis
Metal-organic frameworks
Single site
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Summary:[Display omitted] •Single-site heterogeneous catalysts (SSHC) can exist within MOFs as immobilized elements, i.e. on the node or linker, or as encapsulated species.•Site isolation and periodicity of active sites play important roles in activity and characterization of MOF-based SSHCs.•Comparisons of MOFs to other conventional supports or its individual components are discussed where applicable. Heterogeneous catalysts streamline industrial processes due to high stability and ease of separation. Efforts toward predictive catalytic activity and rational design of next-generation systems are impeded by structural ambiguity stemming from the presence of multiple irregular active sites within a catalyst. The uniformity of metal–organic frameworks (MOFs) provides a platform on which to develop single site catalysts in order to delineate atomically precise design rules. In this critical review, we highlight the development and progress of MOF-based single site catalysts and provide an outlook for further advancement of the field.
ISSN:0926-860X
1873-3875
DOI:10.1016/j.apcata.2019.117214