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 …

Organic–inorganic hybrid perovskite solar cells (PSCs) have made unprecedented progress
in the past ten years, the power conversion efficiency of which increased from 3.8% in 2009 …

Hybrid organic/inorganic perovskite solar cells (PSCs) have dramatically changed the
landscape of the solar research community over the past decade, but> 25 year stability is …

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 …

Lead halide-based perovskite materials have been applied as an intrinsic layer for next-
generation photovoltaic devices. However, the stability and performance reproducibility of …

Solar cells based on organo-metal halide perovskites have gained unprecedented research
interest over the last few years due to their low-cost solution processability, high power …

Perovskite solar cells (pero-SCs) containing lithium bis (trifluoromethane) sulfonimide
(LiTFSI)-doped Spiro-OMeTAD-based hole transport layers (HTLs) exhibit outstanding …

Organic–inorganic lead halide perovskite solar cells (PSCs) offer promising aspects such as
high efficiency, low-cost, and flexible. The booming growth of PSCs cannot be achieved …

The controllable oxidation of spiro‐OMeTAD and improving the stability of hole‐transport
materials (HTMs) layer are crucial for good performance and stability of perovskite solar …

Currently, Spiro-OMeTAD is the most widely used hole transport material (HTM) in the best-
performing perovskite solar cells (PSCs), resulting from its suitable energy level and facile …