Journal
ACS MACRO LETTERS
Volume 2, Issue 12, Pages 1095-1099Publisher
AMER CHEMICAL SOC
DOI: 10.1021/mz4004997
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Funding
- NSF [0906980]
- University of Pittsburgh Honors College
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [0906980] Funding Source: National Science Foundation
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Inspiration for the design of new synthetic polymers can be found in the natural world, where materials often exhibit complex properties that change depending on external stimuli. A new synthetic electroplastic elastomer hydrogel (EPEH) that undergoes changes in mechanical properties in response to both chemical and electrochemical stimuli has been prepared based on these precedents. In addition to having the capability to switch between hard and soft states, the presence of both permanent covalent and dynamic copper-based cross links also allows this stimuli-responsive material to exhibit a striking shape memory capability. The density of temporary cross links and the mechanical properties are controlled by reversible switching between the +1 and +2 oxidation states.
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