Perovskite solar cells (PSCs) are promising photovoltaic (PV) technologies due to their high-
power conversion efficiency (PCE) and low fabrication cost. This review article delves into …

Abstract 2, 2′, 7, 7′‐tetrakis‐(N, N‐di‐4‐methoxyphenylamino)‐9, 9′‐spirobifluorene
(spiro‐MeOTAD) hole transport material (HTM) is a milestone in the history of perovskite …

Spiro-OMeTAD, one of the most widely used hole-transport materials (HTMs) in
optoelectronic devices, typically requires chemical doping with a lithium compound (LiTFSI) …

Perovskite solar cells (PSCs) are one of the best renewable energy options due to their
exceptional efficiency in converting sunlight into electrical power. Here, we examine the …

The ability to control the energy levels in semiconductors is compelling for optoelectronic
applications. In this study, we managed to tune the work function (WF) of halide perovskite …

High-quality semiconducting perovskites can be easily synthesized through several
methods. The ease of fabrication has favored the adoption of lab-scale solution-processing …

The unique hybrid nature of 2D Ruddlesden–Popper (R–P) perovskites has bestowed upon
them not only tunability of their electronic properties but also high-performance electronic …

The rapid progress of organic–inorganic metal halide perovskite solar cells (PSCs) has
attracted broad interest in photovoltaic community. A typical PSC consists of anode/cathode …

Interface engineering of organic–inorganic halide perovskite solar cells (PSCs) plays a
pivotal role in achieving high power conversion efficiency (PCE). In fact, the perovskite …

Electrochemical impedance spectroscopy, photoelectron spectroscopy, and Kelvin probe
measurements on various TiO2 single-crystal surfaces show that the position of the Fermi …