In‐Flow MOF Lithography. Issue 6 (12th February 2019)

• Record Type: Journal Article
• Authors: Sevim, Semih; Franco, Carlos; Liu, Hongjun; Roussel, Hervé; Rapenne, Laetitia; Rubio‐Zuazo, Juan; Chen, Xiang‐Zhong; Pané, Salvador; Muñoz‐Rojas, David; deMello, Andrew J.; Puigmartí‐Luis, Josep
• Is Part Of: Advanced materials technologies. Volume 4:Issue 6(2019)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2019-02-12
• Subjects: concentration gradient -- metal–organic framework -- microfluidics -- MOF gradient -- printing; Materials science -- Periodicals; Technological innovations -- Periodicals; Materials science; Technological innovations; Periodicals; 620.1105
• DOI: 10.1002/admt.201800666
• Languages: English
• ISSNs: 2365-709X

Abstract

Abstract: Continuous‐flow microfluidic systems are widely recognized as advanced and robust tools for materials synthesis. Indeed, the exquisite spatiotemporal control over reagent concentrations in a microfluidic channel has enabled the formation of composite materials and structures with unique features. Herein, we show for the first time that by combining reactive substrates with continuous‐flow microfluidic devices, material growth can be spatiotemporally driven and modulated on a surface. We demonstrate such unprecedented control by crystallizing and patterning compositional gradients of HKUST‐1 (a widely investigated metal‐organic framework (MOF)) on a reactive surface. We believe that this novel approach will engender new possibilities for incorporating MOFs on reactive surfaces, and thus for developing new advanced technological architectures and devices. Abstract : A new approach for the synthesis of surface‐grown metal–organic frameworks is presented. The controlled mass transport achieved inside continuous‐flow microfluidic devices can be advantageously used to synthesize, pattern, and grow compositional gradients of Hong Kong University of Science and Technology (HKUST)‐1 onto reactive surfaces.