Results 61 to 70 of about 21,084 (341)
Nature Communications, 2019 New photoluminescent strategies are required to realize high-performance ratiometric sensors for bio-sensing applications. Here, the authors demonstrate a fluorescence-thermally activated delayed fluorescence dual emission strategy for ratiometric ...
Xuping Li +7 more
doaj +1 more source
Frontiers in Chemistry, 2020 Organic light-emitting diodes with thermally activated delayed fluorescence emitter have been developed with highly twisted donor–acceptor configurations and color-pure blue emitters.
Sunyoung Sohn +8 more
doaj +1 more source
Nature Communications, 2023 A suppressed energy loss through Dexter energy transfer is crucial to achieve highly efficient blue organic light-emitting diodes. Here, authors synthesize quadrupolar donor-acceptor-donor type thermally activated delayed fluorescence sensitizers and ...
Hyuna Lee +5 more
doaj +1 more source
Shorter Exciton Lifetimes via an External Heavy-Atom Effect: Alleviating the Effects of Bimolecular Processes in Organic Light-Emitting Diodes [PDF]
, 2017 Multiexcited‐state phenomena are believed to be the root cause of two exigent challenges in organic light‐emitting diodes; namely, efficiency roll‐off and degradation.
Baldo, Marc A +6 more
core +1 more source
Imaging of Biphoton States: Fundamentals and Applications
Advanced Functional Materials, EarlyView.Quantum states of two photons exhibit a rich polarization and spatial structure, which provides a fundamental resource of strongly correlated and entangled states. This review analyzes the physics of these intriguing properties and explores the various techniques and technologies available to measure them, including the state of the art of their ...
Alessio D'Errico, Ebrahim Karimi
wiley +1 more source
The contributions of molecular vibrations and higher triplet levels to the intersystem crossing mechanism in metal-free organic emitters. [PDF]
, 2017 Intense, simultaneous, room temperature phosphorescence (RTP) and thermally activated delayed fluorescence (TADF) is observed in a series of donor-acceptor-donor (D–A–D) molecules.
Huang, Rongjuan +13 more
core +3 more sources
Thioxanthone-containing blue thermally activated delayed fluorescent emitter
Applied Physics Express, 2022 Abstract Accelerating reverse intersystem crossing (RISC) without sacrificing fast radiative decay is effective in suppressing efficiency roll‐off (eRO) in thermally activated delayed fluorescence (TADF)‐based organic light‐emitting diodes.
Natsuko Kanno +9 more
openaire +2 more sources
Nature Communications, 2021 Realizing efficient white organic light-emitting diodes (WOLEDs) with a single thermally-activated delayed fluorescence (TADF) emissive layer remains a challenge.
Chunmiao Han +10 more
doaj +1 more source
Immense magnetic response of exciplex light emission due to correlated spin-charge dynamics
, 2016 As carriers slowly move through a disordered energy landscape in organic semiconductors, tiny spatial variations in spin dynamics relieve spin blocking at transport bottlenecks or in the electron-hole recombination process that produces light. Large room-
Flatté, Michael E. +4 more
core +2 more sources
Turbocharged molecular discovery of OLED emitters: from high-throughput quantum simulation to highly efficient TADF devices [PDF]
, 2016 Discovering new OLED emitters requires many experiments to synthesize candidates and test performance in devices. Large scale computer simulation can greatly speed this search process but the problem remains challenging enough that brute force ...
Aguilera-Iparraguirre, Jorge +7 more
core +1 more source