Serious climate changes and energy-related environmental problems are currently critical
issues in the world. In order to reduce carbon emissions and save our environment …

Over the last decade, extensive efforts have been made on utilizing advanced materials and
structures to improve the properties and functionalities of flexible electronics. While the …

As the next-generation electronic device, the triboelectric skin can be used as the main self-
powerful interactive equipment for healthcare detection, human-machine interaction, and …

Stretchable strain sensors are highly desirable for human motion monitoring, and can be
used to build new forms of bionic robots. However, the current use of flexible strain gauges …

The development of flexible strain sensors over the past decade has focused on accessing
high strain percentages and high sensitivity (ie, gauge factors). Strain sensors that employ …

Polymer‐based flexible actuators have recently attracted significant attention owing to their
great potentials in soft robotics, wearables, haptics, and medical devices. In particular …

Conventional elastomeric polymers used as substrates for wearable platforms have large
positive Poisson's ratios (≈ 0.5) that cause a deformation mismatch with human skin that is …

The emergence of metamaterials and their continued prosperity have built a powerful
working platform for accurately manipulating the behavior of electromagnetic waves …

The growing demand for complex three-dimensional (3D) micro-/nanostructures has
inspired the development of the corresponding manufacturing techniques. Among these …

Mechanical metamaterials (MMs) have emerged as a promising class of engineered
materials, distinguished by their unique mechanical behaviors derived from architectural …