Recent advances in triplet–triplet annihilation upconversion and singlet fission, towards solar energy applications
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 …
enabling a direct route from light to electricity. Currently, PVs are limited in photon …
Solar electricity and solar fuels: status and perspectives in the context of the energy transition
The energy transition from fossil fuels to renewables is already ongoing, but it will be a long
and difficult process because the energy system is a gigantic and complex machine. Key …
and difficult process because the energy system is a gigantic and complex machine. Key …
Quintet multiexciton dynamics in singlet fission
Singlet fission, in which two triplet excitons are generated from a single absorbed photon, is
a key third-generation solar cell concept. Conservation of angular momentum requires that …
a key third-generation solar cell concept. Conservation of angular momentum requires that …
Anisotropic multiexciton quintet and triplet dynamics in singlet fission via pulsed electron spin resonance
The quintet triplet-pair state may be generated upon singlet fission and is a critical
intermediate that dictates the fate of excitons, which can be exploited for photovoltaics …
intermediate that dictates the fate of excitons, which can be exploited for photovoltaics …
Singlet fission involves an interplay between energetic driving force and electronic coupling in perylenediimide films
Due to its ability to offset thermalization losses in photoharvesting systems, singlet fission
has become a topic of research interest. During singlet fission, a high energy spin-singlet …
has become a topic of research interest. During singlet fission, a high energy spin-singlet …
Photochemical upconversion
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 …
into a higher-energy photon by sensitized triplet–triplet annihilation. While recent interest in …
Spin statistics for triplet–triplet annihilation upconversion: Exchange coupling, intermolecular orientation, and reverse intersystem crossing
Triplet–triplet annihilation upconversion (TTA-UC) has great potential to significantly
improve the light harvesting capabilities of photovoltaic cells and is also sought after for …
improve the light harvesting capabilities of photovoltaic cells and is also sought after for …
Future and challenges for hybrid upconversion nanosystems
To improve the efficiency of photon upconversion, a hybrid approach of combining organic
dyes and inorganic nanoparticles is proving successful, especially in the form of dye …
dyes and inorganic nanoparticles is proving successful, especially in the form of dye …
Emissive spin-0 triplet-pairs are a direct product of triplet–triplet annihilation in pentacene single crystals and anthradithiophene films
Singlet fission and triplet–triplet annihilation represent two highly promising ways of
increasing the efficiency of photovoltaic devices. Both processes are believed to be …
increasing the efficiency of photovoltaic devices. Both processes are believed to be …
Achieving spin-triplet exciton transfer between silicon and molecular acceptors for photon upconversion
Inorganic semiconductor nanocrystals interfaced with spin-triplet exciton-accepting organic
molecules have emerged as promising materials for converting incoherent long-wavelength …
molecules have emerged as promising materials for converting incoherent long-wavelength …