4.5 Article

Controlling the Composition and Position of Metal-Organic Frameworks via Reactive Inkjet Printing

期刊

ADVANCED MATERIALS INTERFACES
卷 10, 期 12, 页码 -

出版社

WILEY
DOI: 10.1002/admi.202300027

关键词

metal-organic frameworks; micro-patterning; reactive inkjet printing; sensing devices; supramolecular chemistry

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Reactive inkjet printing (RIJ) is a new approach for patterning surfaces with metal-organic frameworks (MOFs). It allows stable solutions of different ligand and metal ions to be combined, offering advantages over conventional inkjet printing. The optimization of stoichiometry, printing of various frameworks, and creation of gradients in printed MOFs are demonstrated using the RIJ approach. This method shows potential for enhancing the use of MOFs in various applications.
Reactive inkjet printing (RIJ) is demonstrated as a new approach to the patterning of surfaces with metal-organic frameworks (MOFs). RIJ is an emerging manufacturing technique that jets solutions of reagents onto a substrate allowing them to react in situ to form the desired material. MOFs have the potential to perform a variety of useful sensing, catalytic, separation and storage applications within sophisticated devices, however, their insolubility makes them challenging to process into complex shapes and patterns. The RIJ approach offers advantages over conventional inkjet printing in that it allows stable solutions of different ligand and metal ions to be combined in a mix-and-match way. Here, the benefits of the RIJ approach are demonstrated to optimize the stoichiometry of the printed MOF, print a variety of different frameworks using common inks, and create gradients where the composition of the printed MOFs gradually varies between one isoreticular structure and another. Proof of principle is also demonstrated for the approach by demonstrating size selective encapsulation of a dye within a RIJ printed MOF. It is anticipated that this approach will be broadly applicable to the printing of MOFs and related materials enhancing their use across a variety of different applications.

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