The field of colloidal synthesis of semiconductors emerged 40 years ago and has reached a
certain level of maturity thanks to the use of nanocrystals as phosphors in commercial …

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

Colloidal semiconductor nanocrystals have recently emerged as a novel class of
photosensitizers for molecular spin-triplet states. This sensitization strategy combines the …

Developing high‐performance visible‐to‐UV photon upconversion systems based on triplet–
triplet annihilation photon upconversion (TTA‐UC) is highly desired, as it provides a …

The recent surge of interest in polaritons has prompted fundamental questions about the
role of dark states in strong light-matter coupling phenomena. Here, we systematically vary …

The process of photon upconversion promises importance for many optoelectronic
applications, as it can result in higher efficiencies and more effective photon management …

Hybrid nanomaterials (HNs), the combination of organic semiconductor ligands attached to
nanocrystal semiconductor quantum dots, have applications that span a range of practical …

In the last 15 years, the attention dedicated to organic conjugated systems experienced
outstanding growth because of the renewed interest in mechanisms involving triplet states …

Perovskite-sensitized triplet–triplet annihilation (TTA) upconversion (UC) holds potential for
practical applications of solid-state UC ranging from photovoltaics to sensing and imaging …

Photon upconversion via triplet–triplet annihilation (TTAUC) converts two low-energy triplet
excitons into high-energy photon emission from a singlet. Hybrid TTAUC systems integrating …