Perovskite solar cells have demonstrated the efficiencies needed for technoeconomic
competitiveness. With respect to the demanding stability requirements of photovoltaics …

Organic-inorganic hybrid perovskites exhibiting exceptional photovoltaic and optoelectronic
properties are of fundamental and practical interest, owing to their tunability and low …

Understanding the mechanism of light‐induced halide segregation in mixed‐halide
perovskites is essential for their application in multijunction solar cells. Here …

Stability issues could prevent lead halide perovskite solar cells (PSCs) from
commercialization despite it having a comparable power conversion efficiency (PCE) to …

In this short review, we discuss recent progress in develo** better understanding of the
segregation in mixed composition metal halide perovskite materials and the closely related …

Metal halide perovskites (MHPs) are disruptive materials for a vast class of optoelectronic
devices. The presence of electronic trap states has been a tough challenge in terms of …

Metal-halide perovskites, exhibiting exceptional optoelectronic properties, have emerged as
a highly promising class of semiconductors for diverse applications. However, the inherent …

This work explores electrochemical impedance spectroscopy to study recombination and
ionic processes in all-perovskite tandem solar cells. We exploit selective excitation of each …

Quasi‐2D perovskite materials have promise to unlock the full potential of blue perovskite
light‐emitting diodes (PeLEDs). However, the efficiency of blue emissive PeLEDs still lags …

Mixed-cation and mixed-halide lead halide perovskites show great potential for their
application in photovoltaics. Many of the high-performance compositions are made of …