Layered halide perovskites offer a versatile platform for manipulating light through synthetic
design. Although most layered perovskites absorb strongly in the ultraviolet (UV) or near-UV …

An ionotronic device functions by a hybrid circuit of mobile ions and mobile electrons.
Hydrogels are stretchable, transparent, ionic conductors that can transmit electrical signals …

Conspectus With nearly 20% of global electricity consumed by lighting, more efficient
illumination sources can enable massive energy savings. However, effectively creating the …

Cephalopods such as octopuses have a combination of a stretchable skin and color-tuning
organs to control both posture and color for visual communication and disguise. We present …

Through structural and optical studies of a series of two-dimensional hybrid perovskites, we
show that broadband emission upon near-ultraviolet excitation is common to (001) lead …

Low-dimensional organic–inorganic metal halide hybrids (OIMHs) with an ultrabroad-band
emission are promising as downconversion phosphors for solid-state lighting. However …

We report on the second family of layered perovskite white-light emitters with improved
photoluminescence quantum efficiencies (PLQEs). Upon near-ultraviolet excitation, two new …

We use organic cations to template the solution-state assembly of corrugated lead halide
layers in bulk crystalline materials. These layered hybrids emit radiation across the entire …

Thermal quenching of photoluminescence represents a significant obstacle to practical
applications such as lighting, display, and photovoltaics. Herein, a novel strategy is …

Low-dimensional perovskite-related metal halides have emerged as a new class of light-
emitting materials with tunable broadband emission from self-trapped excitons (STEs) …