This review article discusses the current designs and synthetic procedures for organic small
molecules as hole-transporting materials (HTMs) with a focus on their structure–property …

Photovoltaic solar cells based on perovskites have come to the forefront in science by
achieving exceptional power conversion efficiencies (PCEs) in less than a decade of …

The pressure to move towards renewable energy has inspired researchers to look for ideas
in photovoltaics that may lead to a major breakthrough. Recently the use of perovskites as a …

The electron-injection energy losses of dye-sensitized solar cells (DSSCs) are among the
fundamental problems hindering their successful breakthrough application. Two …

Triarylamine (TAA) and related materials have dramatically promoted the development of
organic and hybrid photovoltaics during the past decade. The power conversion efficiencies …

Perovskite solar cells have delivered power conversion efficiency beyond 22% in less than
seven years, implying the potential for the paradigm shift of low‐cost photovoltaics with high …

Four center symmetrical star-shaped hole transporting materials (HTMs) comprising planar
triazatruxene core and electron-rich methoxy-engineered side arms have been synthesized …

Tremendous progress has recently been achieved in the field of perovskite solar cells
(PSCs) as evidenced by impressive power conversion efficiencies (PCEs); but the high …

Organic–inorganic halide perovskite solar cells (PSCs) have become one of the most
exciting fields in the search for renewable energy sources with the power conversion …

Conspectus Over hundreds of new organic semiconductor molecules have been
synthesized as hole transport materials (HTMs) for perovskite solar cells. However, to date …