Three-dimensional (3D) organic–inorganic lead halide perovskites have emerged in the
past few years as a promising material for low-cost, high-efficiency optoelectronic devices …

Achieving technologically relevant performance and stability for optoelectronics, energy
conversion, photonics, spintronics and quantum devices requires creating atomically precise …

Halide perovskites (HPs) are potential game-changing materials for a broad spectrum of
optoelectronic applications ranging from photovoltaics, light-emitting devices, lasers to …

Phonon-assisted photon upconversion holds great potential for numerous applications, eg,
optical refrigeration. However, traditional semiconductors face energy gain limitations due to …

The unprecedented increase of the power conversion efficiency of metal‐halide perovskite
solar cells has significantly outpaced the understanding of their fundamental properties. One …

Direct visualization of ultrafast coupling between charge carriers and lattice degrees of
freedom in photoexcited semiconductors has remained a long-standing challenge and is …

Abstract Two-dimensional (2D) Sn-based perovskites are a kind of non-toxic environment-
friendly luminescent material. However, the research on the luminescence mechanism of …

Hybrid organic–inorganic semiconductors feature complex lattice dynamics due to the ionic
character of the crystal and the softness arising from non-covalent bonds between molecular …

The strength of electrostatic interactions within semiconductors strongly affects their
performance in optoelectronic devices. An important target is the tuning of a material's …

Understanding and tailoring the physical behaviour of halide perovskites under practical
environments is critical for designing efficient and durable optoelectronic devices. Here, we …