Movie S2.
A graphene origami tetrahedron unfolding and refolding in response to pH changes in its local environment.
Graphene-based bimorphs for micron-sized, autonomous origami machines
PNAS. 2018. 115:466-470 DOI: 10.1073/pnas.1712889115
A graphene origami tetrahedron unfolding and refolding in response to pH changes in its local environment.
PNAS. 2018. 115:466-470 DOI: 10.1073/pnas.1712889115