Perovskite solar cells (PSCs) have made incredibly fast progress in the past years, with the
efficiency approaching 26%, which is comparable to those of the best silicon solar cells. One …

Despite the impressive efficiency of perovskite solar cells (PSCs), their operational stability
is still hindered by the thermodynamic instability of the hybrid organic–inorganic absorber …

Record power conversion efficiencies (PCEs) of perovskite solar cells (PSCs) have been
obtained with the organic hole transporter 2, 2′, 7, 7′-tetrakis (N, N-di-p-methoxyphenyl …

In state-of-the-art n–i–p structured perovskite solar cells (PSCs), a dopant for doping hole
transporting materials (HTMs) is a crucial component, which affects not only the electrical …

In recent years, organic‐inorganic halide perovskites are now emerging as the most
attractive alternatives for next‐generation photovoltaic devices, due to their excellent …

There are several types of organometallic halide perovskite solar cells (OHPSCs), but the
carbon-based PSC has the lowest materials/fabrication cost and the longest-term stability …

High efficiency and long‐term stability are the prerequisites for the commercialization of
perovskite solar cells (PSCs). However, inadequate and non‐uniform doping of hole …

Lithium bis (trifluoromethanesulfonyl) imide (Li‐TFSI) has been identified as the most used
and effective p‐dopant for hole transport layer (HTL) in perovskite solar cells (PSCs) …

Organic small molecular materials with coplanar π‐conjugated system as HTMs in
perovskite solar cells (PSCs) have attracted considerable attention due to their high charge …

Hole transport materials (HTMs) with high hole mobility, good band alignment and ease of
fabrication are highly desirable for perovskite solar cells (PSCs). Here, we designed and …