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 …

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 …

Near-infrared-to-visible photon upconversion holds great promise for a diverse range of
applications. Current photosensitizers for triplet-fusion upconversion across this spectral …

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 …

Many applications, including solar energy conversion, can be enhanced by the
upconversion of low energy photons. A flexible approach towards achieving this is by …

Photochemical upconversion is a strategy for converting infrared light into more energetic,
visible light, with potential applications ranging from biological imaging and drug delivery to …

Optical upconversion via sensitized triplet–triplet exciton annihilation converts incoherent
low-energy photons to shorter wavelengths under modest excitation intensities,,. Here, we …

To improve the efficiency of photon upconversion, a hybrid approach of combining organic
dyes and inorganic nanoparticles is proving successful, especially in the form of dye …

Triplet–triplet annihilation upconversion (TTA-UC) has been attracting attention in various
fields as a promising tool to efficiently generate a shorter-wavelength photon than incident …