It is certain that perovskite materials must be a game‐changer in the solar industry as long
as their stability reaches a level comparable with the lifetime of a commercialized Si …

All inorganic halide perovskite (IHP) nanocrystals (NCs) have emerged as a new class of
optoelectronic materials for various applications. Surface ligands as surface passivators are …

Quantum efficiencies of organic-inorganic hybrid lead halide perovskite light-emitting
devices (LEDs) have increased significantly, but poor device operational stability still …

Ion migration in halide perovskite films leads to device degradation and impedes large scale
commercial applications. We use transient ion-drift measurements to quantify activation …

Migration of ions can lead to photoinduced phase separation, degradation, and current–
voltage hysteresis in perovskite solar cells (PSCs), and has become a serious drawback for …

Lead halide perovskites are at the forefront of semiconductor research because of the
tremendous efficiency increase of the corresponding devices together with low-cost …

Solar cells based on metal halide perovskites often show excellent efficiency but poor
stability. This degradation of perovskite devices has been associated with the migration of …

There are significant applications for miniature on‐chip spectrometers in many fields.
However, at present, on‐chip spectrometers have to utilize an integrated strategy to achieve …

Halide perovskites are promising materials for light-emitting and light-harvesting
applications. In this context, two-dimensional perovskites such as nanoplatelets or …

Charge carrier recombination plays a vital role in the CH3NH3PbI3 perovskite solar cell. By
investigating a possible synergy between ion migration and charge carrier recombination …