Articles with "donor acceptor" as a keyword



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Towards Efficient and Stable Donor‐Acceptor Luminescent Radicals

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Published in 2022 at "Advanced Materials"

DOI: 10.1002/adma.202208190

Abstract: In contrast to closed‐shell luminescent molecules, the electronic ground state and lowest excited state in organic luminescent radicals are both spin doublet, which results in spin‐allowed radiative transitions. Most reported luminescent radicals with high photoluminescent… read more here.

Keywords: donor acceptor; luminescent radicals; efficiency; luminescent ... See more keywords
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Exploring Electronic Characteristics of Acceptor-Donor-Acceptor type Molecules by Single-Molecule Charge Transport.

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Published in 2023 at "Advanced materials"

DOI: 10.1002/adma.202301876

Abstract: The electronic characteristics of organic optoelectronic materials determine the performance of corresponding devices. Clarifying the relationship between molecular structure and electronic characteristics at the single-molecule level can help to achieve high performance for organic optoelectronic… read more here.

Keywords: single molecule; acceptor; electronic characteristics; molecule ... See more keywords
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Nanoscale Mapping of Photo‐Induced Charge Carriers Generated at Interfaces of a Donor/Acceptor 2D‐Assembly by Light‐Assisted‐Scanning Tunneling Microscopy

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Published in 2020 at "Advanced Materials Interfaces"

DOI: 10.1002/admi.202001325

Abstract: Charge transfers between donor (D) and acceptor (A) species at their excited state in a light‐assisted STM setup (LA‐STM) are investigated. Through an all‐solution process, supramolecular architectures deposited on the Au(111) surface and made of… read more here.

Keywords: microscopy; donor acceptor; light assisted; charge ... See more keywords
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Role of Spontaneous Orientational Polarization in Organic Donor–Acceptor Blends for Exciton Binding

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Published in 2020 at "Advanced Optical Materials"

DOI: 10.1002/adom.202000896

Abstract: Electron–hole pairs at the interface between electron‐donating and electron‐accepting molecules form charge‐transfer excitons (CTEs) via Coulomb attraction. Generally, the attraction energy of the CTE is weaker than that of the Frenkel exciton because of spatial… read more here.

Keywords: exciton binding; donor acceptor; donor; polarization ... See more keywords
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Enabling Photon Upconversion and Precise Control of Donor–Acceptor Interaction through Interfacial Energy Transfer

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Published in 2018 at "Advanced Science"

DOI: 10.1002/advs.201700667

Abstract: Abstract Upconverting materials have achieved great progress in recent years, however, it remains challenging for the mechanistic research on new upconversion strategy of lanthanides. Here, a novel and efficient strategy to realize photon upconversion from… read more here.

Keywords: energy transfer; energy; control; donor acceptor ... See more keywords
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Highly Efficient Purely Organic Phosphorescence Light‐Emitting Diodes Employing a Donor–Acceptor Skeleton with a Phenoxaselenine Donor

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Published in 2023 at "Advanced Science"

DOI: 10.1002/advs.202207003

Abstract: Purely organic room‐temperature phosphorescence (RTP) materials generally exhibit low phosphorescence quantum yield (ϕP) and long phosphorescence lifetime (τP) due to the theoretically spin‐forbidden triplet state. Herein, by introducing a donor–acceptor (D–A) skeleton with a phenoxaselenine… read more here.

Keywords: acceptor skeleton; phosphorescence; donor; donor acceptor ... See more keywords
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The Interplay of Stability between Donor and Acceptor Materials in a Fullerene‐Free Bulk Heterojunction Solar Cell Blend

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Published in 2020 at "Advanced Energy Materials"

DOI: 10.1002/aenm.202002095

Abstract: With rapid advances in material synthesis and device performance, the long‐term stability of organic solar cells has become the main remaining challenge toward commercialization. An investigation of photodegradation in blend films of the donor polymer… read more here.

Keywords: donor acceptor; acceptor; acceptor materials; oxygen ... See more keywords
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Organocatalytic Assembly Based on Aromatic Donor–Acceptor Interactions for the Asymmetric Aldol Reaction on Water

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Published in 2023 at "ChemCatChem"

DOI: 10.1002/cctc.202300012

Abstract: Aromatic donor modified prolinamide and aromatic acceptor modified thiourea were synthesized. They self‐assembled into a cooperative organocatalytic system through the aromatic donor‐acceptor interaction and catalyzed aldol reactions in high yields and stereoselectivity on water. The… read more here.

Keywords: organocatalytic assembly; water; donor; donor acceptor ... See more keywords
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Balancing Donor‐Acceptor and Dispersion Effects in Heavy Main Group Element π Interactions: Effect of Substituents on the Pnictogen⋅⋅⋅π Arene Interaction

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Published in 2019 at "Chemphyschem"

DOI: 10.1002/cphc.201900747

Abstract: Abstract High‐level ab initio calculations using the DLPNO‐CCSD(T) method in conjunction with the local energy decomposition (LED) were performed to investigate the nature of the intermolecular interaction in bismuth trichloride adducts with π arene systems.… read more here.

Keywords: effect substituents; donor acceptor; energy; interaction ... See more keywords
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Electronic and Photophysical Properties of 9,10-Anthrylene-Bridged B-π-N Donor-Acceptor Molecules with Solid-State Emission in the Yellow to Red Region.

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Published in 2019 at "ChemPlusChem"

DOI: 10.1002/cplu.201900003

Abstract: 9,10-Anthrylene-bridged triarylborane-triarylamine donor-acceptor compounds were prepared to examine the influence of the bulky π-bridge on the electronic and photophysical properties of the compounds, with the aim of realizing their solid-state emission. The intramolecular charge-transfer (ICT)… read more here.

Keywords: state emission; donor acceptor; emission; anthrylene bridged ... See more keywords
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Diphenylene-Tetracyanoquinodimethane Cocrystals as Stable Organic Rectifiers.

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Published in 2019 at "ChemPlusChem"

DOI: 10.1002/cplu.201900197

Abstract: A promising cocrystal material that acts as a rectifier was prepared by a simple procedure of solution volatilization. (E)-1,2-diphenylethene (STB) and 7,7',8,8'-tetracyanoquinodimethane (TCNQ) were used as donor and acceptor respectively, and aggregate in an ordered… read more here.

Keywords: donor acceptor; stable organic; organic rectifiers; cocrystals stable ... See more keywords