Nanoengineering triplet–triplet annihilation upconversion: from materials to real-world applications

T Schloemer, P Narayanan, Q Zhou, E Belliveau… - ACS …, 2023 - ACS Publications
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 light‐emitting transistors entering a new development stage

Z Qin, H Gao, H Dong, W Hu - Advanced Materials, 2021 - Wiley Online Library
Organic light‐emitting transistors (OLETs) are possibly the smallest integrated optoelectronic
devices that combine the switching and amplification mechanisms of organic field‐effect …

Application of triplet–triplet annihilation upconversion in organic optoelectronic devices: advances and perspectives

C Gao, WWH Wong, Z Qin, SC Lo… - Advanced …, 2021 - Wiley Online Library
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 …

Challenges, progress and prospects in solid state triplet fusion upconversion

J Alves, J Feng, L Nienhaus, TW Schmidt - Journal of Materials …, 2022 - pubs.rsc.org
Many applications, including solar energy conversion, can be enhanced by the
upconversion of low energy photons. A flexible approach towards achieving this is by …

Diphenylanthracene dimers for triplet–triplet annihilation photon upconversion: mechanistic insights for intramolecular pathways and the importance of molecular …

A Olesund, V Gray, J Mårtensson… - Journal of the American …, 2021 - ACS Publications
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 …

Photochemical upconversion

J Feng, J Alves, DM de Clercq… - Annual Review of …, 2023 - annualreviews.org
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 …

Spin statistics for triplet–triplet annihilation upconversion: Exchange coupling, intermolecular orientation, and reverse intersystem crossing

DG Bossanyi, Y Sasaki, S Wang, D Chekulaev… - JACS Au, 2021 - ACS Publications
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 …

Bulky Substituents Promote Triplet–Triplet Annihilation Over Triplet Excimer Formation in Naphthalene Derivatives

A Olesund, S Ghasemi, K Moth-Poulsen… - Journal of the …, 2023 - ACS Publications
Visible-to-ultraviolet (UV) triplet–triplet annihilation photochemical upconversion (TTA-UC)
has gained a lot of attention recently due to its potential for driving demanding high-energy …

Lessons from intramolecular singlet fission with covalently bound chromophores

NV Korovina, NF Pompetti, JC Johnson - The Journal of chemical …, 2020 - pubs.aip.org
Molecular dimers, oligomers, and polymers are versatile components in photophysical and
optoelectronic architectures that could impact a variety of applications. We present a …

Molecular engineering of chromophores to enable triplet–triplet annihilation upconversion

KJ Fallon, EM Churchill, SN Sanders… - Journal of the …, 2020 - ACS Publications
Triplet–triplet annihilation upconversion (TTA-UC) is an unconventional photophysical
process that yields high-energy photons from low-energy incident light and offers pathways …