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 …

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 …

Some molecular photoisomers can be isomerized to a metastable high-energy state by
exposure to light. These molecules can then be thermally or catalytically converted back to …

Photoredox catalysis typically relies on the use of single chromophores, whereas strategies,
in which two different light absorbers are combined, are rare. In photosystems I and II of …

To function effectively in a photocatalytic application, a photosensitizer's light absorption,
excited-state lifetime, and redox potentials, both in the ground state and excited state, are …

Organic triplet–triplet annihilation upconversion (TTA-UC) materials have considerable
promise in areas as broad as biology, solar energy harvesting, and photocatalysis …

Cyclometalated Ir (III) complexes are often chosen as catalysts for challenging photoredox
and triplet–triplet-energy-transfer (TTET) catalyzed reactions, and they are of interest for …

The current investigation demonstrates highly efficient photochemical upconversion (UC)
where a long-lived Zr (IV) ligand-to-metal charge transfer (LMCT) complex serves as a triplet …

By combining the energy input from two red photons, chemical reactions that would normally
require blue or ultraviolet irradiation become accessible. Key advantages of this biphotonic …