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Exciton - Wikipedia
Excitons are composite bosons since they are formed from two fermions which are the electron and the hole . Excitons are often treated in two limiting cases, namely small-radius excitons, named Frenkel exciton, and large-radius excitons, often called Wannier-Mott excitons. en.wikipedia.org
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Exciton: An Introduction | Ossila
Excitons are quasi-particles made up of bound electron and hole pairs. Having a clear understanding of exciton theory is essential in order to understand ... www.ossila.com
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Exciton - an overview | ScienceDirect Topics
An exciton is defined as a bound state of an excited electron and an electron hole, which are attracted to each other by electrostatic forces, forming a neutral ... www.sciencedirect.com
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exciton
exciton Physics. (ˈɛksɪtɒn, ɛkˈsaɪtɒn) [f. excitation 5 + -on.] In a crystalline semi-conductor or insulator, an excited electron and an associated hole which together form a concentration of energy with certain properties characteristic of a particle.1936 J. Frenkel in Phys. Zeitschr. der Sowjetuni... Oxford English Dictionary
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Brightening self-trapped exciton emission in 2D metal-organic ...
The excitons are delocalized and crossed the argentophilic network in 2D plane, giving rise to its strong exciton absorption and emission. The ... www.nature.com
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EXCITON Definition & Meaning - Merriam-Webster
The meaning of EXCITON is a mobile combination of an electron and a hole in an excited crystal (as of a semiconductor). www.merriam-webster.com
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15.3: Excitons in Molecular Aggregates - Chemistry LibreTexts
Excitons refer to electronic excited states that are not localized to a particular molecule. But beyond that there are many flavors. We will ... chem.libretexts.org
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Exciton-exciton interaction: A quantitative comparison between ...
Many-body interactions such as exciton-exciton interactions significantly affect the optical response of semiconductor nanostructures. link.aps.org
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Exciton | Quantum Mechanics, Electron-Hole Pairs ... - Britannica
Exciton, the combination of an electron and a positive hole (an empty electron state in a valence band), which is free to move through a nonmetallic crystal as ... www.britannica.com
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What are excitons? - YouTube
Excitons by Alex Giovannone Excitons are electron-hole pairs in semiconductors and insulators. This video offers an undergraduate friendly ... www.youtube.com
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Unusual Pressure-Induced Self-Trapped Exciton to Free ...
18 hours ago — Fei-Fei Gao. 1,2†. , Yan Qin. 3,4†. , Zhi-Gang Li. 1. , Wei Li. 1. *, Jing Hao. 5. , Xiang Li. 6. , Yungui. Liu. 6. , Christopher J. Howard. 7.
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Mechanism of Ir (ppy)3 Guest Exciton Formation with the Exciplex ...
May 25, 2022Because Ir(ppy) 3 and TPBI molecules are spatially quite close to each other in 1 (TCTA/TPBI/Ir(ppy) 3) and because the HOMO-LUMO gap involving the two molecules is rather small, as shown in Figure S1, the lowest 1 (G + /A −) state can actually be lower in energy than the lowest 1 (D + /A −) state.
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Superior Phonon-Limited Exciton Mobility in Lead-Free ...
5 days ago — Fei-Fei Gao, Yan Qin, Zhi-Gang Li, Wei Li, Jing Hao, Xiang Li, Yungui Liu, Christopher J. Howard, Xiang Wu, Xingxing Jiang, Zheshuai Lin ...
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Exciton-polariton
In physics the Exciton–polariton is a type of polariton; a hybrid light and matter quasiparticle arising from the strong coupling of the electromagnetic The higher energy or upper mode (UPB, upper polariton branch) is characterized by the photonic and exciton fields oscillating in-phase, while the LPB ( wikipedia.org
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polariton
polariton Physics. (pəʊˈlærɪtɒn) [f. polarization and related words + -iton, prob. after exciton.] A quasiparticle in an ionic crystal consisting of a photon strongly coupled to a quasiparticle such as a phonon or exciton.1958 J. J. Hopfield in Physical Rev. CXII. 1558/2 The polarization field ‘part... Oxford English Dictionary
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