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 …

Triplet–triplet annihilation based molecular photon upconversion (TTA-UC) is an exciting
research area for a broad range of photonic applications due to its tunable spectral range …

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 …

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 …

The design and characterization of metal–organic complexes for optoelectronic applications
is an active area of research. The metal–organic complex offers unique optical and …

Graphitic-carbon nitride quantum dots (g-C3N4QDs), as a rising star in the carbon nitride
family, show great potential in many fields involving bioimaging, fuel cells, and photo …

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 …

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 …

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 …

Photon upconversion, the process wherein light of long wavelength is frequency converted
to photons of higher energy, is readily achieved at low incident power through sensitized …