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Polymer Metal-Organic Cage Gels Based on Cu24L24 Cuboctahedra: Design, Synthesis, and Additive Manufacturing Enabled by Three-State Photoswitching

preprint
revised on 09.09.2019 and posted on 09.09.2019 by Nathan J. Oldenhuis, Peter Qin, Shu Wang, Hong-Zhou Ye, Eric Alt, Adam Willard, Troy Van Voorhis, Stephen Craig, Jeremiah Johnson
We present a polymer network that can reversibly switch between three distinct states of mechanical and chemical properties, significantly extending the boundaries of state-switching materials. This switching behavior is enabled by a photoreduction mechanism that leverages coumarin-functionalized cuboctahedral Cu24L24 metal-organic cages (MOCs) linked by polymers in a "polyMOC" gel. The properties of each material state can be used in a cooperative fashion to achieve advanced functions such as network toughening, metallic patterning, and additive manufacturing

Funding

GM123710

CHE-1832256

History

Email Address of Submitting Author

jaj2109@mit.edu

Institution

Massachusetts Institute of Technology

Country

United States

ORCID For Submitting Author

0000-0001-9157-6491

Declaration of Conflict of Interest

None.

Exports