Articles with "excitation" as a keyword



Excitation‐Dependent Emission Color Tuning of 0D Cs2InBr5·H2O at High Pressure

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Published in 2021 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202104923

Abstract: Self‐trapped exciton (STE) emission of low‐dimensional metal halides has witnessed explosive developments in both display and illumination, due to its intriguing photoluminescence properties. As one typical feature, STE emission energy is commonly independent of excitation… read more here.

Keywords: emission; excitation dependent; cs2inbr5 h2o; high pressure ... See more keywords

Best Practices to Directly Assess Heterogeneous Singlet Oxygen Photosensitization by Phosphorescence

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Published in 2024 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202404111

Abstract: Literature proves that the direct detection of 1O2(1Δg) at the solid gas interface is systematically performed from its phosphorescence using high intensity excitation sources (i.e., lasers), which lead to quasi‐ubiquitous chemical problems, such as sensitizer… read more here.

Keywords: phosphorescence; directly assess; singlet; best practices ... See more keywords

Efficient Broadband Near‐Infrared Emitters in Lead‐Free Metal Halides with Record Photoluminescence Quantum Yield Under Blue Light Excitation

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Published in 2024 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202411807

Abstract: Realizing ultra‐efficient broadband near‐infrared (NIR) luminescence, especially under blue light excitation, remains an enormous challenge in lead‐free metal halides. Herein, the efficient NIR emission under blue light excitation is achieved in Sb3+‐doped 0D (ETPP)2ZnCl4xBr4‐4x (x… read more here.

Keywords: free metal; blue light; excitation; lead free ... See more keywords

Optical Switching of Hole Transfer in Double Perovskite/Graphene Heterostructure.

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Published in 2023 at "Advanced materials"

DOI: 10.1002/adma.202211198

Abstract: Synergically combining their respective ultrahigh charge mobility and strong light absorption, graphene (Gr)/semiconductor heterostructures are promising building blocks for efficient optoelectronics, particularly photodetectors. Charge transfer (CT) across the heterostructure interface crucially determines device efficiency and… read more here.

Keywords: graphene; excitation; transfer; double perovskite ... See more keywords
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Lasing Operation under Long‐Pulse Excitation in Solution‐Processed Organic Gain Medium: Toward CW Lasing in Organic Semiconductors

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Published in 2020 at "Advanced Optical Materials"

DOI: 10.1002/adom.202001234

Abstract: High mechanical flexibility and wavelength tunability of organic semiconductor materials have propelled the development of organic semiconductor lasers (OSLs) as a complementary technology to current inorganic lasers. While excellent progress has been made across multiple… read more here.

Keywords: solution processed; lasing operation; long pulse; solution ... See more keywords

From Two‐Step Excitation to Persistent Luminescence: Revisiting ZnGa2O4:Cr3+ Phosphor Through Upconversion Charging Approach

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Published in 2024 at "Advanced Optical Materials"

DOI: 10.1002/adom.202303018

Abstract: The ZnGa2O4:Cr3+ phosphor has emerged as a significant luminescent material due to its long‐lasting afterglow and near‐infrared emission, making it suitable for applications in bioimaging and night‐vision detection. However, the limited availability of excitation light… read more here.

Keywords: excitation; znga2o4 cr3; upconversion; phosphor ... See more keywords

Ultrafast Spin Current Excitation and Controlled Terahertz Radiation from Noncollinear Antiferromagnets

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Published in 2025 at "Advanced Optical Materials"

DOI: 10.1002/adom.202500210

Abstract: Noncollinear antiferromagnets (AFMs) are promising candidates for next‐generation spintronic devices due to their terahertz (THz) magnetic resonance, robustness against external field interferences, and strong magneto‐optical responses. Using femtosecond laser excitation, spin current generation and THz… read more here.

Keywords: spin currents; radiation; spin current; excitation ... See more keywords

Energy Transfer between Tb3+ and Eu3+ in LaPO4: Pulsed versus Switched‐off Continuous Wave Excitation

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Published in 2019 at "Advanced Science"

DOI: 10.1002/advs.201900487

Abstract: The energy transfer (ET) between Tb3+ and Eu3+ is investigated experimentally and with available theoretical models in the regime of high Tb3+ concentrations in ≈30 nm LaPO4 nanoparticles at room temperature. The ET efficiency approaches… read more here.

Keywords: energy transfer; tb3 eu3; transfer tb3; excitation ... See more keywords
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Distinguishing Optical and Acoustic Phonon Temperatures and Their Energy Coupling Factor under Photon Excitation in nm 2D Materials

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Published in 2020 at "Advanced Science"

DOI: 10.1002/advs.202000097

Abstract: Abstract Under photon excitation, 2D materials experience cascading energy transfer from electrons to optical phonons (OPs) and acoustic phonons (APs). Despite few modeling works, it remains a long‐history open problem to distinguish the OP and… read more here.

Keywords: excitation materials; photon excitation; energy; coupling factor ... See more keywords

Excitation‐Dependent Quadruple‐Level Emission from an Isolated Molecule for Dynamic Information Encryption

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Published in 2025 at "Advanced Science"

DOI: 10.1002/advs.202508987

Abstract: Stimuli‐responsive single‐molecule multi‐emission materials have long attracted considerable attention due to their great potential in non‐phase‐separated smart luminescence. Here, a new strategy is demonstrated for manipulating electron transfer based on donor‐acceptor decoupling to regulate energy… read more here.

Keywords: emission isolated; excitation dependent; quadruple level; emission ... See more keywords

On the Eigen‐Mode Excitation of Linear Oscillators and the Earth's Polar Motion

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Published in 2020 at "Annalen der Physik"

DOI: 10.1002/andp.202000262

Abstract: By transforming a 1D second‐order linear oscillator into a 2D first‐order polar motion differential equation, it can be shown that the finite smoothness (i.e., the presence of jump in finite order derivatives) of the applied… read more here.

Keywords: polar motion; eigen; excitation; earth polar ... See more keywords