Photoluminescence spectroscopy is a widely applied characterization technique for
semiconductor materials in general and halide perovskite solar cell materials in particular. It …

Perovskite solar cells combine high carrier mobilities with long carrier lifetimes and high
radiative efficiencies. Despite this, full devices suffer from significant nonradiative …

Tandem solar cells that pair silicon with a metal halide perovskite are a promising option for
surpassing the single-cell efficiency limit. We report a monolithic perovskite/silicon tandem …

Abstract Wide‐band gap (1.68 eV) perovskite solar cells (PSCs) are important components
of perovskite/Si tandem devices. However, the efficiency of wide band gap PSCs has been …

Despite the remarkable rise in the efficiency of perovskite-based solar cells, the stress-
induced intrinsic instability of perovskite active layers is widely identified as a critical hurdle …

Metal halide perovskites are the first solution processed semiconductors that can compete in
their functionality with conventional semiconductors, such as silicon. Over the past several …

Today's perovskite solar cells (PSCs) are limited mainly by their open‐circuit voltage (VOC)
due to nonradiative recombination. Therefore, a comprehensive understanding of the …

The rapid rise of perovskite solar cells (PSCs) is increasingly limited by the available charge-
selective contacts. This work introduces two new hole-selective contacts for p–i–n PSCs that …

Charge transport layers (CTLs) are key components of diffusion controlled perovskite solar
cells, however, they can induce additional non-radiative recombination pathways which limit …

Despite their frequently quoted “defect tolerance”, 2, 3 halide perovskites are no exception to
this rule, given that it remains difficult to exceed luminescence quantum efficiencies of a few …