2, 2′, 7, 7′-Tetrakis (N, N-di-p-methoxyphenylamine)-9, 9′-spirobifluorene (spiro-
OMeTAD), as an organic small molecule material, is the most commonly employed hole …

Organic–inorganic hybrid perovskite solar cells (PSCs) are among the most promising
candidates for the next generation of photovoltaic devices because of the significant …

The utilization of naturally existed energy is an indispensable solution to realise carbon
neutral society in the future. Solar energy in the Sun is a tremendously abundant renewable …

The progress of environment friendly and cost-effective energy storage and conversion
technologies to combat pollution and the impending energy problem has recently attracted …

In this review, p‐type doping technologies for organic/polymeric semiconductors in hole
transporting layer (HTL) for perovskite solar cells (PSCs) are examined. Initially, we …

Two-dimensional conjugated metal–organic framework (2D c-MOF) Cu3 (HHTT) 2 (2, 3, 7, 8,
12, 13-hexahydroxytetraazanaphthotetraphene, HHTT) is found to be an ideal hole transport …

As the power‐conversion efficiency (PCE) of organic–inorganic lead halide perovskite solar
cells (PSCs) is approaching the theoretical maximum, the most crucial issue concerns long …

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 …

Chemical dopants are often required in organic hole transport materials (HTMs) to enhance
the film conductivity and power conversion efficiency (PCE) of solar cells. Although additives …

As one of the most promising next-generation photovoltaic technologies, organic-inorganic
halide perovskite solar cells (PSCs) have undergone great progress during the past decade …