Two-dimensional (2D) halide perovskites have emerged as outstanding semiconducting
materials thanks to their superior stability and structural diversity. However, the ever-growing …

Spin–orbit coupling induces a unique form of Zeeman interaction in momentum space in
materials that lack inversion symmetry: the electron's spin is locked on an effective magnetic …

Electroluminescence efficiencies of metal halide perovskite nanocrystals (PNCs) are limited
by a lack of material strategies that can both suppress the formation of defects and enhance …

Hybrid organic–inorganic perovskites (HOIPs) offer long carrier-diffusion lengths, high
absorption coefficients, tunable band gaps and long spin lifetimes. The flexible crystal …

Translation of chirality and asymmetry across structural motifs and length scales plays a
fundamental role in nature, enabling unique functionalities in contexts ranging from …

Since the discovery of Rochelle salt a century ago, ferroelectric materials have been
investigated extensively due to their robust responses to electric, mechanical, thermal …

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

Halide perovskites are an intriguing class of materials that have recently attracted
considerable attention for use as the active layer in thin film optoelectronic devices …

New photovoltaic materials have been searched for in the past decades for clean and
renewable solar energy conversion with an objective of reducing the levelized cost of …

Nanostructured semiconductors emit light from electronic states known as excitons. For
organic materials, Hund's rules state that the lowest-energy exciton is a poorly emitting triplet …