Humans rely increasingly on sensors to address grand challenges and to improve quality of
life in the era of digitalization and big data. For ubiquitous sensing, flexible sensors are …

All-perovskite tandem solar cells are attracting considerable interest in photovoltaics
research, owing to their potential to surpass the theoretical efficiency limit of single-junction …

High‐efficiency electromagnetic (EM) functional materials are the core building block of high‐
performance EM absorbers and devices, and they are indispensable in various fields …

Photoluminescence (PL) nanomaterials are widely used by scientists because of their
important applications in optoelectronic devices and biomedicine, such as use in organic …

Flexible perovskite solar cells have attracted substantial attention owing to their promises for
soft and high power–weight compatibility. However, the inferior quality of the buried …

Halide perovskites are a compelling candidate for the next generation of clean-energy-
harvesting technologies owing to their low cost, facile fabrication and outstanding …

Carbon dots (CDs)—carbon nanoparticles smaller than 10 nm—have attracted widespread
attention owing to their excellent optical properties. However, high‐performing CDs often …

Free-space coupling, essential for various communication applications, often faces
significant signal loss and interference from ambient light. Traditional methods rely on …

Abstract 2D perovskites have greatly improved moisture stability owing to the large organic
cations embedded in the inorganic octahedral structure, which also suppresses the ions …

The cornerstones of the advancement of flexible optoelectronics are the design, preparation,
and utilization of novel materials with favorable mechanical and advanced optoelectronic …