A deep understanding of defects is essential for the optimization of materials for solar energy
conversion. This is particularly true for metal oxide photo (electro) catalysts, which typically …

Polarons are quasiparticles that easily form in polarizable materials due to the coupling of
excess electrons or holes with ionic vibrations. These quasiparticles manifest themselves in …

Metal halide perovskites have drawn tremendous attention in optoelectronic applications
owing to the rapid development in photovoltaic and light‐emitting diode devices. More …

Strong electron-phonon interactions are frequently considered the origin of the unique
electrical and optical properties of lead halide perovskites. Electron-phonon interactions …

Layered 2D perovskites are making inroads as materials for photovoltaics and light emitting
diodes, but their photophysics is still lively debated. Although their large exciton binding …

Excitation localization involving dynamic nanoscale distortions is a central aspect of
photocatalysis, quantum materials and molecular optoelectronics. Experimental …

Abstract Two-dimensional (2D) lead halide perovskites with distinct excitonic feature have
shown exciting potential for optoelectronic applications. Compared to their three …

Conspectus The past few years have witnessed an exciting revival of the research interest in
two-dimensional (2D) lead halide perovskites. The renaissance is strongly motivated by the …

Halide perovskite materials serve as excellent candidates for solar cell and optoelectronic
devices. Recently, the design of the halide perovskite materials is greatly facilitated by …

Photoinduced nonequilibrium processes in nanoscale materials play key roles in
photovoltaic and photocatalytic applications. This review summarizes recent theoretical …