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 …

Organic semiconductor materials have been widely used in various optoelectronic devices
due to their rich optical and/or electrical properties, which are highly related to their excited …

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

Photon upconversion through sensitized Triplet–Triplet Annihilation (TTA-UC) has regained
a lot of interest during the last decade mainly due to its potential for significantly increased …

Novel approaches to modify the spectral output of the sun have seen a surge in interest
recently, with triplet–triplet annihilation driven photon upconversion (TTA-UC) gaining …

Solar energy harvesting is among the best solutions for a global transition toward carbon-
neutral energy technologies. The existing solar energy harvesting technologies like …

The low quantum efficiency in the solid phase and the highly efficient quenching by oxygen
are two major weaknesses limiting the practical applications of triplet–triplet annihilation …

It is extremely challenging to achieve high-efficiency room-temperature phosphorescence
(RTP) in pure organic metal-free systems. Herein, we systematically investigated the …

The triplet pair is the key functional unit in triplet–triplet annihilation photon upconversion.
The same molecular properties that stabilize the triplet pair also allow dimers to form on the …