Triplet–triplet annihilation based near infrared to visible molecular photon upconversion

P Bharmoria, H Bildirir, K Moth-Poulsen - Chemical Society Reviews, 2020 - pubs.rsc.org
Triplet–triplet annihilation based molecular photon upconversion (TTA-UC) is an exciting
research area for a broad range of photonic applications due to its tunable spectral range …

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 …

Electric‐field‐regulated energy transfer in chiral liquid crystals for enhancing upconverted circularly polarized luminescence through steering the photonic bandgap

X Yang, M Zhou, Y Wang, P Duan - Advanced Materials, 2020 - Wiley Online Library
Circularly polarized luminescent materials with high dissymmetry factor (glum) have been
attracting increasing attention due to their distinctive photonic properties. In this work, by …

Towards efficient spectral converters through materials design for luminescent solar devices

B McKenna, RC Evans - Advanced Materials, 2017 - Wiley Online Library
Single‐junction photovoltaic devices exhibit a bottleneck in their efficiency due to incomplete
or inefficient harvesting of photons in the low‐or high‐energy regions of the solar spectrum …

3D Long-Range Triplet Migration in a Water-Stable Metal–Organic Framework for Upconversion-Based Ultralow-Power in Vivo Imaging

J Park, M Xu, F Li, HC Zhou - Journal of the American Chemical …, 2018 - ACS Publications
Triplet–triplet annihilation upconversion (TTA-UC) has gained increasing attention because
it allows for harvesting of low-energy photons in the solar spectrum with high efficiency in …

Multifunctional cellulose-paper for light harvesting and smart sensing applications

AT Vicente, A Araújo, MJ Mendes, D Nunes… - Journal of Materials …, 2018 - pubs.rsc.org
A novel generation of flexible opto-electronic smart applications is now emerging,
incorporating photovoltaic and sensing devices driven by the desire to extend and integrate …

Photon-upconverting chiral liquid crystal: significantly amplified upconverted circularly polarized luminescence

X Yang, J Han, Y Wang, P Duan - Chemical Science, 2019 - pubs.rsc.org
In this work, we demonstrate a room-temperature chiral liquid crystal which shows
remarkable photon upconverted circularly polarized luminescence (UC-CPL). Circularly …

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 …

Annihilation versus excimer formation by the triplet pair in triplet–triplet annihilation photon upconversion

C Ye, V Gray, J Mårtensson… - Journal of the American …, 2019 - ACS Publications
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 …

A sensitizer of purpose: generating triplet excitons with semiconductor nanocrystals

R Weiss, ZA VanOrman, CM Sullivan… - ACS Materials …, 2022 - ACS Publications
The process of photon upconversion promises importance for many optoelectronic
applications, as it can result in higher efficiencies and more effective photon management …