Photochemical upconversion is a process whereby two lower-energy photons are converted
into a higher-energy photon by sensitized triplet–triplet annihilation. While recent interest in …

The effective incorporation of photovoltaic (PV) elements into the urban environment,
specifically in buildings, is a challenging process. Apart from the aesthetic limitations of …

Transient absorption spectroscopy (TAS) is a time‐resolved spectroscopic technique that
can quantitatively observe temporal changes in the absorption spectrum associated with …

Low-energy photons, which are not used by a solar cell, can be converted to higher-energy
photons by photon upconversion. The figure-of-merit of upconvertors, J UC, is given in mA …

Achieving room temperature phosphorescence (RTP) of heavy-atom-free organic molecules
with near-infrared (NIR) emission in solutions is fascinating for medical and biological …

Triplet–triplet annihilation photon upconversion (TTA-UC) can, through a number of energy
transfer processes, efficiently combine two low frequency photons into one photon of higher …

To enhance the light-harvesting ability of photocatalytic splitting water system, triplet–triplet
annihilation upconversion (TTA-UC) is integrated with photocatalysis directly for the first time …

Upconversion (UC) of low-energy photons into high-energy light can in principle increase
the efficiency of solar devices by converting photons with energies below the energy …

Upconversion is a photon-management process especially suited to water-splitting cells that
exploit wide-bandgap photocatalysts. Currently, such catalysts cannot utilize 95% of the …

The possibility of overcoming the Shockley–Queisser limit of organic solar cell (OSC)
efficiency by multiexciton generation through singlet exciton fission has recently attracted …