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 …

Development of renewable energy technologies has been a significant area of research
amongst scientists with the aim of attaining a sustainable world society. Solar thermal fuels …

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 …

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 …

Temperature is an essential factor that counts for living systems where complicated vital
activities are usually temperature dependent. In vivo temperature mapping based on non …

Photon upconversion through sensitized Triplet–Triplet Annihilation (TTA-UC) has regained
a lot of interest during the last decade mainly due to its potential for significantly increased …

Triplet–triplet annihilation-based molecular photon upconversion (TTA-UC) is a
photophysical phenomenon that can yield high-energy emitting photons from low-energy …

A long-lived triplet excited state of the well-known fluorophore boron dipyrromethene
(Bodipy) was observed for the first time via efficient radical-enhanced intersystem crossing …

Organic upconversion is a unique process in which low-energy light (usually NIR light) is
converted to high-energy light through either the two-photon absorption (TPA) mechanism or …