Charge‐Transfer Exciton Manipulation Based on Hydrogen Bond for Efficient White Thermally Activated Delayed Fluorescence
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Functional Materials"
DOI: 10.1002/adfm.201908568
Abstract: Despite the success of thermally activated delayed fluorescence (TADF) emitters in monochromatic organic light‐emitting diodes (OLED), only few efficient full‐TADF white OLEDs (WOLED) are reported because of the challenge in rational exciton allocation between blue… read more here.
Keywords: hydrogen bond; thermally activated; tadf; delayed fluorescence ... See more keywords
Room‐Temperature Observation of Near‐Intrinsic Exciton Linewidth in Monolayer WS2
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202108721
Abstract: The homogeneous exciton linewidth, which captures the coherent quantum dynamics of an excitonic state, is a vital parameter in exploring light–matter interactions in 2D transition metal dichalcogenides (TMDs). An efficient control of the exciton linewidth… read more here.
Keywords: exciton; exciton linewidth; monolayer ws2; room temperature ... See more keywords
Direct Exciton Harvesting from a Bound Triplet Pair
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202203974
Abstract: Singlet fission is commonly defined as the generation of two triplet excitons from a single absorbed photon. However, ambiguities within this definition arise due to the complexity of the various double triplet states that exist… read more here.
Keywords: triplet pair; exciton; bound triplet; triplet ... See more keywords
Simultaneously Enhancing Exciton/Charge Transport in Organic Solar Cells by an Organoboron Additive
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DOI: 10.1002/adma.202205926
Abstract: Efficient exciton diffusion and charge transport play a vital role in advancing the power conversion efficiency (PCE) of organic solar cells (OSCs). Here, a facile strategy is presented to simultaneously enhance exciton/charge transport of the… read more here.
Keywords: exciton; bbs; charge transport; spectroscopy ... See more keywords
Anisotropic Excitons Reveal Local Spin Chain Directions in a van der Waals Antiferromagnet
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Materials"
DOI: 10.1002/adma.202206585
Abstract: A long‐standing pursuit in materials science is to identify suitable magnetic semiconductors for integrated information storage, processing, and transfer. Van der Waals magnets have brought forth new material candidates for this purpose. Recently, sharp exciton… read more here.
Keywords: exciton; van der; spin chain; chain directions ... See more keywords
Rational Molecular Design for Efficient Exciton Harvesting, and Deep‐Blue OLED Application
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DOI: 10.1002/adom.201800342
Abstract: The efficient deep-blue luminogens with hybrid local and charge transfer (HLCT) excited state have drawn much attention for their potential in the full utilization of excitons with the corresponding excellent electroluminescent (EL) performance. However, almost… read more here.
Keywords: molecular design; blue; rational molecular; exciton ... See more keywords
Strong Plasmon–Exciton Interactions on Nanoantenna Array–Monolayer WS2 Hybrid System
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Optical Materials"
DOI: 10.1002/adom.201901002
Abstract: Strong plasmon–exciton interactions in monolayer transition‐metal dichalcogenides (TMDs) is emerging as a promising material platform for light emissions, nonlinear optics, and quantum communications, and their realizations require highly localized electric fields parallel to the transition… read more here.
Keywords: plasmon exciton; exciton; strong plasmon; exciton interactions ... See more keywords
Dominance of Exciton Lifetime in the Stability of Phosphorescent Dyes
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DOI: 10.1002/adom.201901048
Abstract: Organic light‐emitting devices (OLEDs) are widely used for mobile displays, but the relatively short lifetime of blue OLEDs remains a challenge in many applications. Typically, instability is viewed as a material‐specific chemical degradation problem. It… read more here.
Keywords: triplet exciton; exciton lifetime; lifetime; dominance exciton ... See more keywords
Photoluminescence of Bound‐Exciton Complexes and Assignment to Shallow Defects in Methylammonium/Formamidinium Lead Iodide Mixed Crystals
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Optical Materials"
DOI: 10.1002/adom.202001969
Abstract: The high defect tolerance of metal halide perovskites, in terms of their exceptional optoelectronic properties, is assumed to be due to the very fact that most native point defects are shallow, which does not contribute… read more here.
Keywords: exciton complexes; methylammonium formamidinium; exciton; shallow defects ... See more keywords
Anharmonic Exciton‐Phonon Coupling in Metal‐Organic Chalcogenides Hybrid Quantum Wells
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DOI: 10.1002/adom.202202213
Abstract: In contrast to inorganic quantum wells, hybrid quantum wells (HQWs) based on metal‐organic semiconductors are characterized by relatively soft lattices, in which excitonic states can strongly couple to lattice phonons. Therefore, understanding the lattice's impact… read more here.
Keywords: exciton; exciton phonon; metal organic; quantum wells ... See more keywords
Tuning the Coherent Propagation of Organic Exciton-Polaritons through Dark State Delocalization.
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DOI: 10.1002/advs.202105569
Abstract: While there have been numerous reports of long-range polariton transport at room-temperature in organic cavities, the spatiotemporal evolution of the propagation is scarcely reported, particularly in the initial coherent sub-ps regime, where photon and exciton… read more here.
Keywords: polariton; propagation; organic exciton; quality factor ... See more keywords