Controlling the triplet states and their application in external stimuli-responsive triplet–triplet-annihilation photon upconversion: from the perspective of excited state …

X Xiao, W Tian, M Imran, H Cao, J Zhao - Chemical Society Reviews, 2021 - pubs.rsc.org
The property of organic light-responsive materials is determined by their electronic excited
states to a large extent, for instance, the radiative decay rate constants, redox potentials, and …

The upconversion quantum yield (UCQY): a review to standardize the measurement methodology, improve comparability, and define efficiency standards

CMS Jones, A Gakamsky… - Science and Technology …, 2021 - Taylor & Francis
Advancing the upconversion materials field relies on accurate and contrastable
photoluminescence efficiency measurements, which are characterised by the absolute …

Enhanced triplet–triplet energy transfer and upconversion fluorescence through host–guest complexation

C Fan, W Wu, JJ Chruma, J Zhao… - Journal of the American …, 2016 - ACS Publications
Perylene-tethered pillar [5] arenes and C60–boron-dipyrromethene (BODIPY) dyads were
synthesized acting as emitters and organic triplet photosensitizers, respectively, for the …

Red thermally activated delayed fluorescence and the intersystem crossing mechanisms in compact naphthalimide–phenothiazine electron donor/acceptor dyads

G Tang, AA Sukhanov, J Zhao, W Yang… - The Journal of …, 2019 - ACS Publications
Controlling the electronic coupling between electron donor and acceptor subunits in a dyad
is pivotal for the development of novel organic materials, for instance, thermally activated …

Strategies for combining triplet–triplet annihilation upconversion sensitizers and acceptors in a host matrix

W Ahmad, J Wang, H Li, Q Ouyang, W Wu… - Coordination Chemistry …, 2021 - Elsevier
Triplet-triplet annihilation upconversion (TTA-UC) has been transformed by innovative state-
of-the-art developments concerning host matrix framework and nano/micro-substrates that …

Self‐Assembled Dual Dye‐Doped Nanosized Micelles for High‐Contrast Up‐Conversion Bioimaging

S Mattiello, A Monguzzi, J Pedrini… - Advanced Functional …, 2016 - Wiley Online Library
Sensitized triplet–triplet annihilation based photon up‐conversion (TTA‐UC) greatly
improves the scope and applicability of fluorescence bioimaging by enabling anti‐Stokes …

An energetics perspective on why there are so few triplet–triplet annihilation emitters

X Wang, R Tom, X Liu, DN Congreve… - Journal of Materials …, 2020 - pubs.rsc.org
The efficiency of solar cells may be increased by utilizing photons with energies below the
band gap of the absorber. This may be enabled by upconversion of low energy photons into …

Red-to-blue photon up-conversion with high efficiency based on a TADF fluorescein derivative

W Chen, F Song, S Tang, G Hong, Y Wu… - Chemical …, 2019 - pubs.rsc.org
A new photon up-conversion system with a TADF fluorescein derivative as a photosensitizer
was developed to achieve a quite large anti-Stokes shift from red to blue with a fairly high up …

Flexible and micropatternable triplet–triplet annihilation upconversion thin films for photonic device integration and anticounterfeiting applications

AL Hagstrom, HL Lee, MS Lee, HS Choe… - … applied materials & …, 2018 - ACS Publications
Triplet–triplet annihilation upconversion (TTA-UC) has recently drawn widespread interest
for its capacity to harvest low-energy photons and to broaden the absorption spectra of …

Nanoencapsulated Phase-Change Materials: Versatile and Air-Tolerant Platforms for Triplet–Triplet Annihilation Upconversion

H Lee, MS Lee, M Uji, N Harada, JM Park… - … Applied Materials & …, 2022 - ACS Publications
Efficient and long-term stable triplet–triplet annihilation upconversion (TTA-UC) can be
achieved by effectively protecting the excited organic triplet ensembles from photoinduced …