Stimuli‐Responsive Materials: Smart Compound Eyes Enable Tunable Imaging (Adv. Funct. Mater. 38/2019)

Materials and Wireless Microfluidic Systems for Electronics Capable of Chemical Dissolution on Demand (Adv. Funct. Mater. 92015)

Nano-Encapsulated Smart Tunable Phase Change Materials

Toward individually tunable compound eyes with transparent graphene electrode.

We present tunable compound eyes made of ionic liquid lenses, of which both curvatures (R 1 and R 2 in the lensmaker's equation) can be individually changed using electrowetting on dielectric (EWOD) and applied pressure. Flexible graphene is used as a transparent electrode and is integrated on a flexible polydimethylsiloxane (PDMS)/parylene hybrid substrate. Graphene electrodes allow a large le...

Metamaterials: Snapping Mechanical Metamaterials under Tension (Adv. Mater. 39/2015).

By exploiting snap-through instabilities, D. Pasini and co-workers design a damage-tolerant mechanical metamaterial that snaps sequentially under tension, thereby accommodating a very large deformation up to 150%. On page 5931, they describe how the nonlinear mechanical response of the metamaterial can be robustly programmed by tuning the architecture of its unit cell.

Superposition Compound Eyes

DOI: 10.1002/smll.201400037 In nature, refl ecting superposition compound eyes (RSCEs) found in shrimps, lobsters and some other decapods are extraordinary imaging systems with numerous optical features such as minimum chromatic aberration, wide-angle fi eld of view (FOV), high sensitivity to light and superb acuity to motion. Here, we present lifesized, large-FOV, wide-spectrum artifi cial RSC...