Articles with "emitting diodes" as a keyword



Fine Control of Perovskite Crystallization and Reducing Luminescence Quenching Using Self‐Doped Polyaniline Hole Injection Layer for Efficient Perovskite Light‐Emitting Diodes

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Published in 2018 at "Advanced Functional Materials"

DOI: 10.1002/adfm.201807535

Abstract: Organic–inorganic hybrid perovskites (OHPs) are promising emitters for light-emitting diodes (LEDs) due to the high color purity, low cost, and simple synthesis. However, the electroluminescent efficiency of polycrystalline OHP LEDs (PeLEDs) is often limited by… read more here.

Keywords: pss pani; crystallization; hole injection; emitting diodes ... See more keywords

Near‐Infrared (NIR) Organic Light‐Emitting Diodes (OLEDs): Challenges and Opportunities

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Published in 2019 at "Advanced Functional Materials"

DOI: 10.1002/adfm.201807623

Abstract: The rapid development of the science and technology of organic semiconductors has already led to mass application of organic light‐emitting diodes (OLEDs) in television monitors of outstanding quality as well as in a large variety… read more here.

Keywords: organic light; infrared nir; diodes oleds; light emitting ... See more keywords

Efficiency of Light Outcoupling Structures in Organic Light‐Emitting Diodes: 2D TiO2 Array as a Model System

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Published in 2019 at "Advanced Functional Materials"

DOI: 10.1002/adfm.201901748

Abstract: Organic light‐emitting diodes (OLEDs) are widely used in research and are established in the industry. The building block nature of organic compounds enables a vast variety of materials. On top of that, there exist many… read more here.

Keywords: organic light; light emitting; light outcoupling; emitting diodes ... See more keywords

Deciphering Limitations to Meet Highly Stable Bio‐Hybrid Light‐Emitting Diodes

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Published in 2019 at "Advanced Functional Materials"

DOI: 10.1002/adfm.201904356

Abstract: Color down‐converting filters with fluorescent proteins (FPs) embedded in a polymer matrix have led to new bio‐hybrid light‐emitting diodes (Bio‐HLEDs), featuring stabilities of 100 h and 300 h at high driving currents. Here, the photoinduced… read more here.

Keywords: hybrid light; light emitting; emitting diodes; bio hleds ... See more keywords

Dual Passivation of Perovskite Defects for Light‐Emitting Diodes with External Quantum Efficiency Exceeding 20%

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Published in 2020 at "Advanced Functional Materials"

DOI: 10.1002/adfm.201909754

Abstract: Solution‐processed metal halide perovskites (MHPs) have attracted much attention for applications in light‐emitting diodes (LEDs) due to their wide color gamut, high color purity, tunable emission wavelength, balanced electron/hole transportation, etc. Although MHPs are very… read more here.

Keywords: dual passivation; light emitting; passivation; emitting diodes ... See more keywords

Efficient Blue Perovskite Light‐Emitting Diodes Boosted by 2D/3D Energy Cascade Channels

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Published in 2020 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202001732

Abstract: Lead halide perovskite, as an emerging semiconductor, provides a fire‐new opportunity for high‐definition display and solid‐state lighting. Earthshaking improvements are implemented in green, red, and near‐infrared perovskite light‐emitting diodes (PeLEDs). However, blue PeLEDs are still… read more here.

Keywords: energy; energy cascade; perovskite light; light emitting ... See more keywords

Suppressing Ion Migration Enables Stable Perovskite Light‐Emitting Diodes with All‐Inorganic Strategy

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Published in 2020 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202001834

Abstract: Stability issue is one of the major concerns that limit emergent perovskite light-emitting diodes (PeLEDs) techniques. Generally, ion migration is considered as the most important origin of PeLEDs degradation. In this work, an all-inorganic device… read more here.

Keywords: ion migration; emitting diodes; light emitting; perovskite light ... See more keywords

InP/ZnS/ZnS Core/Shell Blue Quantum Dots for Efficient Light‐Emitting Diodes

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Published in 2020 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202005303

Abstract: As the concerns about using cadmium‐based quantum dots (QDs) in display are growing worldwide, InP QDs have drawn much attention in quantum dot light‐emitting diodes (QLEDs). However, pure blue InP based QLED has been rarely… read more here.

Keywords: light emitting; shell; emitting diodes; quantum dots ... See more keywords

Band Edge Control of Quasi‐2D Metal Halide Perovskites for Blue Light‐Emitting Diodes with Enhanced Performance

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Published in 2021 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202103299

Abstract: Perovskite light‐emitting diodes (PeLEDs) have received great attention for their potential as next‐generation display technology. While remarkable progress has been achieved in green, red, and near‐infrared PeLEDs with external quantum efficiencies (EQEs) exceeding 20%, obtaining… read more here.

Keywords: light emitting; performance; emitting diodes; band ... See more keywords

Highly Stable O‐Tolylbiguanide‐CsPbI3 Quantum Dots and Light‐Emitting Diodes by Synergistic Supramolecular Passivation

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Published in 2024 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202311554

Abstract: Developing effective strategy to passivate surface defects in quantum dots (QDs) is critical to achieving high‐efficiency and long‐life perovskite light‐emitting diodes (LEDs). Here, the supramolecular interaction underpinning of organic‐inorganic components is exploited and a facile… read more here.

Keywords: emitting diodes; cspbi3; highly stable; stable tolylbiguanide ... See more keywords

Efficient Near‐Infrared Organic Light‐Emitting Diodes with Emission Peak Above 900 nm Enabled by Enhanced Photoluminescence Quantum Yields and Out‐Coupling Efficiencies

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Published in 2024 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202313353

Abstract: Near‐infrared organic light‐emitting diodes (NIR OLEDs) with emission peak above 900 nm are attractive for many emerging applications, spanning from bioimaging to light detection and ranging. However, the device performance of NIR OLEDs is generally… read more here.

Keywords: organic light; emitting diodes; infrared organic; light emitting ... See more keywords