Opportunities for enhancing solar energy harvesting using photon upconversion are
reviewed. The increasing prominence of bifacial solar cells is an enabling factor for the …

Solar energy is an ample renewable energy resource, with photovoltaic (PV) technology
enabling a direct route from light to electricity. Currently, PVs are limited in photon …

Using light to control matter has captured the imagination of scientists for generations, as
there is an abundance of photons at our disposal. Yet delivering photons beyond the surface …

Organic semiconductor materials have been widely used in various optoelectronic devices
due to their rich optical and/or electrical properties, which are highly related to their excited …

Luminescence-based techniques continue to attract considerable attention due not only to
their current range of applications but also to their wide potential in the fields of optical …

Despite the rapid development of perovskite solar cells (PSCs) over the past few years, the
conversion of solar energy into electricity is not efficient enough or cost-competitive yet. The …

Triplet photosensitizers (PSs) are compounds that can be efficiently excited to the triplet
excited state which subsequently act as catalysts in photochemical reactions. The name is …

Semi-transparent perovskite solar cells are highly attractive for a wide range of applications,
such as bifacial and tandem solar cells; however, the power conversion efficiency of semi …

Photovoltaic (PV) technologies for solar energy conversion represent promising routes to
green and renewable energy generation. Despite relevant PV technologies being available …

All photovoltaic solar cells transmit photons with energies below the absorption threshold
(bandgap) of the absorber material, which are therefore usually lost for the purpose of solar …