Photon upconversion is a method for harnessing high-energy excited states from low-energy
photons. Such photons, particularly in the red and near-infrared wavelength ranges, can …

Advanced oxidation processes (AOPs) have become increasingly more useful and
necessary in the past few decades because they can degrade a wide range of organic and …

The utilization of visible light to mediate chemical reactions in fluid solutions has
applications that range from solar fuel production to medicine and organic synthesis. These …

Classical photochemistry requires nanosecond excited-state lifetimes for diffusion-controlled
reactions. Excited radicals with picosecond lifetimes have been implied by numerous …

The sensitization of surface-anchored organic dyes on semiconductor nanocrystals through
energy transfer mechanisms has received increasing attention owing to their potential …

Substituting precious elements in luminophores and photocatalysts by abundant first-row
transition metals remains a significant challenge, and iron continues to be particularly …

Sensitized triplet–triplet annihilation upconversion is a promising strategy to use visible light
for chemical reactions requiring the energy input of UV photons. This strategy avoids unsafe …

Materials with multi-photon absorption (MPA) feature, are highly desirable for applications
such as deep-seated tumor treatment, high spatiotemporal resolution bioimaging …

Photoactive complexes with earth-abundant metals have attracted increasing interest in the
recent years fueled by the promise of sustainable photochemistry. However, sophisticated …

Photosensitizers for sensitized triplet‐triplet annihilation upconversion (sTTA‐UC) often rely
on precious heavy metals, whereas coordination complexes based on abundant first‐row …