Aggregation‐induced emission: new vistas at the aggregate level

Z Zhao, H Zhang, JWY Lam… - Angewandte Chemie …, 2020 - Wiley Online Library
Aggregation‐induced emission (AIE) describes a photophysical phenomenon in which
molecular aggregates exhibit stronger emission than the single molecules. Over the course …

Recent advances in triplet–triplet annihilation upconversion and singlet fission, towards solar energy applications

AJ Carrod, V Gray, K Börjesson - Energy & Environmental Science, 2022 - pubs.rsc.org
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 …

Near‐infrared (NIR) organic light‐emitting diodes (OLEDs): challenges and opportunities

A Zampetti, A Minotto, F Cacialli - Advanced Functional …, 2019 - Wiley Online Library
The rapid development of the science and technology of organic semiconductors has
already led to mass application of organic light‐emitting diodes (OLEDs) in television …

Dynamics of excitons in conjugated molecules and organic semiconductor systems

OP Dimitriev - Chemical Reviews, 2022 - ACS Publications
The exciton, an excited electron–hole pair bound by Coulomb attraction, plays a key role in
photophysics of organic molecules and drives practically important phenomena such as …

Recent advances in singlet fission

MB Smith, J Michl - Annual review of physical chemistry, 2013 - annualreviews.org
A survey is provided of recent progress in the understanding of singlet fission, a spin-
allowed process in which a singlet excited molecule shares its energy with a ground-state …

Light harvesting for organic photovoltaics

GJ Hedley, A Ruseckas, IDW Samuel - Chemical Reviews, 2017 - ACS Publications
The field of organic photovoltaics has developed rapidly over the last 2 decades, and small
solar cells with power conversion efficiencies of 13% have been demonstrated. Light …

Triplet pair states in singlet fission

K Miyata, FS Conrad-Burton, FL Geyer… - Chemical reviews, 2019 - ACS Publications
This account aims at providing an understanding of singlet fission, ie, the photophysical
process of a singlet state (S1) splitting into two triplet states (2× T1) in molecular …

External quantum efficiency above 100% in a singlet-exciton-fission–based organic photovoltaic cell

DN Congreve, J Lee, NJ Thompson, E Hontz, SR Yost… - Science, 2013 - science.org
Singlet exciton fission transforms a molecular singlet excited state into two triplet states,
each with half the energy of the original singlet. In solar cells, it could potentially double the …

Theoretical modeling of singlet fission

D Casanova - Chemical reviews, 2018 - ACS Publications
Singlet fission is a photophysical reaction in which a singlet excited electronic state splits
into two spin-triplet states. Singlet fission was discovered more than 50 years ago, but the …

Harnessing singlet exciton fission to break the Shockley–Queisser limit

A Rao, RH Friend - Nature reviews materials, 2017 - nature.com
Singlet exciton fission is a carrier multiplication process in organic semiconductors that
generates two electron–hole pairs for each photon absorbed. Singlet fission occurs on sub …