Perovskite materials have outstanding optical and electronic properties. In recent years, the
power conversion efficiency (PCE) of perovskite solar cells (PSCs) in the laboratory has …

Lead halide perovskites are extensively investigated as efficient solution-processable
materials for photovoltaic applications. The greatest stability and performance of these …

In this work, we couple theoretical and experimental approaches to understand and reduce
the losses of wide bandgap Br-rich perovskite pin devices at open-circuit voltage (VOC) and …

We investigated the doping effect of bulky organic cations with ethylenediammonium
diiodide (EDAI2) and butylammonium iodide (BAI) as additives to passivate surface defects …

The high conversion efficiency has made metal halide perovskite solar cells a real
breakthrough in thin film photovoltaic technology in recent years. Here, we introduce a …

Approaches to boost the efficiency and stability of perovskite solar cells often address one
singular problem in a specific device configuration. In this work, we utilize a poly (ionic …

Imidazolium (IM) and cesium (Cs) were treated as A-site cationic additives for a triiodide tin
perovskite solar cell (FASnI3; FA, formamidinium) with sulfamic acid (SA) as a bifunctional …

Longevity is a key constraint for hybrid perovskite based photovoltaics. Here it is
demonstrated that ion migration‐induced degradation can be eliminated by incorporation of …

The employment of 2D perovskites is a promising approach to tackling the stability and
voltage issues inherent in perovskite solar cells. It remains unclear, however, whether other …

Imperfection originating from the ionic nature of organic inorganic hybrid perovskite (OIHP)
is a major factor that degrades perovskite solar cells (PSCs) performance, and mitigating or …