Macromolecular Rapid Communications
Macromolecular Rapid Communications
5 years ago

Immobilizing Organic-Based Molecular Switches into Metal–Organic Frameworks: A Promising Strategy for Switching in Solid State

Immobilizing Organic-Based Molecular Switches into Metal–Organic Frameworks: A Promising Strategy for Switching in Solid State
Ke Du, Yang Xie, Cheng Wang, Bo Gui, Yi Meng, Andrew C.-H. Sue
Organic-based molecular switches (OMS) are essential components for the ultimate miniaturization of nanoscale electronics and devices. For practical applications, it is often necessary for OMS to be incorporated into functional solid-state materials. However, the switching characteristics of OMS in solution are usually not transferrable to the solid state, presumably because of spatial confinement or inefficient conversion in densely packed solid phase. A promising way to circumvent this issue is harboring the functional OMS within the robust and porous environment of metal–organic frameworks (MOFs) as their organic components. In this feature article, recent research progress of OMS-based MOFs is briefly summarized. The switching behaviors of OMS under different stimuli (e.g., light, redox, pH, etc.) in the MOF state are first introduced. After that, the technological applications of these OMS-based MOFs in different areas, including CO2 adsorption, gas separation, drug delivery, photodynamic therapy, and sensing, are outlined. Finally, perspectives and future challenges are discussed in the conclusion. Transferring organic-based molecular switches (OMS) from solution into the solid state has remained a big challenge. A promising way to circumvent this issue is harboring the functional OMS within the robust and porous environment of metal–organic frameworks (MOFs) as organic components. This feature article summarizes the recent research progress of OMS-based MOFs, including their switching behaviors and applications.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/marc.201700388

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