3 years ago

Ultrathin Shape Change Smart Materials

Ultrathin Shape Change Smart Materials
David H. Gracias, Weinan Xu, Kam Sang Kwok
With the discovery of graphene, significant research has focused on the synthesis, characterization, and applications of ultrathin materials. Graphene has also brought into focus other ultrathin materials composed of organics, polymers, inorganics, and their hybrids. Together, these ultrathin materials have unique properties of broad significance. For example, ultrathin materials have a large surface area and high flexibility which can enhance conformal contact in wearables and sensors leading to improved sensitivity. When porous, the short transverse diffusion length in these materials allows rapid mass transport. Alternatively, when impermeable, these materials behave as an ultrathin barrier. Such controlled permeability is critical in the design of encapsulation and drug delivery systems. Finally, ultrathin materials often feature defect-free and single-crystal-like two-dimensional atomic structures resulting in superior mechanical, optical, and electrical properties.

Publisher URL: http://dx.doi.org/10.1021/acs.accounts.7b00468

DOI: 10.1021/acs.accounts.7b00468

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