Articles with "level alignment" as a keyword



Pyrene‐Based Self‐Assembled Monolayer with Improved Surface Coverage and Energy Level Alignment for Perovskite Solar Cells

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Published in 2024 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202411922

Abstract: Recently, the efficiency of p‐i‐n perovskite solar cells drastically increased, a pivotal factor being the incorporation of self‐assembled monolayers (SAMs) as a hole‐transporting layer (HTL). SAMs offer many advantages over conventional HTLs, including minimal material… read more here.

Keywords: solar cells; energy level; self assembled; level alignment ... See more keywords

Energy Level Alignment Regulation and Carrier Management in Perovskite Solar Cells with Various Bandgaps Using Tailored Metal‐Organic Frameworks

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Published in 2024 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202417293

Abstract: The interface energy level alignment modulation and charge carrier transportation play an important role in the device performance of perovskite solar cells (PSCs). Herein, tailored hydrophobic metal‐organic frameworks (MOFs) are employed as interfacial layers between… read more here.

Keywords: energy level; level alignment; carrier; perovskite solar ... See more keywords

Switching the Electronic Properties of ZnO Surfaces with Negative T‐Type Photochromic Pyridyl‐dihydropyrene Layers and Impact of Fermi Level Pinning

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Published in 2019 at "Advanced Materials Interfaces"

DOI: 10.1002/admi.201900211

Abstract: DOI: 10.1002/admi.201900211 applications,[1–5] such as light-emitting/ sensing structures[6,7] and organic fieldeffect transistors (OFET).[2] Substantial efforts have been devoted to engineering the interfaces with regard to their energy level alignment in order to tune interfacial energy… read more here.

Keywords: energy; level alignment; level; energy level ... See more keywords

The Energy Level Alignment at the Buffer/Cu(In,Ga)Se2 Thin‐Film Solar Cell Interface for CdS and GaOx

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Published in 2024 at "Advanced Materials Interfaces"

DOI: 10.1002/admi.202301110

Abstract: Sputter‐deposited GaOx (i.e., oxygen‐deficient gallium oxide) films are evaluated as a potential replacement for the standard CdS buffer layers in Cu(In,Ga)Se2 (CIGSe) based thin‐film photovoltaics. The energy level alignment at the GaOx/CIGSe and CdS/CIGSe interfaces… read more here.

Keywords: energy level; level alignment; thin film;

Engineering Periodic Dinuclear Lanthanide-Directed Networks Featuring Tunable Energy Level Alignment and Magnetic Anisotropy by Metal Exchange.

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Published in 2022 at "Small"

DOI: 10.1002/smll.202107073

Abstract: The design of lanthanide multinuclear networks is an emerging field of research due to the potential of such materials for nanomagnetism, spintronics, and quantum information. Therefore, controlling their electronic and magnetic properties is of paramount… read more here.

Keywords: level alignment; spectroscopy; energy level; magnetic anisotropy ... See more keywords

Energy-Level Alignment at Organic/Inorganic Interfaces from First Principles: Example of Poly(para-phenylene)/Rock-Salt ZnO(100)

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Published in 2019 at "Chemistry of Materials"

DOI: 10.1021/acs.chemmater.9b01802

Abstract: By means of full-potential all-electron density-functional theory and many-body perturbation theory, we compute the band alignment at a prototypical hybrid inorganic/organic interface. The electronic properties of a model system built of poly(\emph{para}-phenylene) and \emph{rs}-ZnO are… read more here.

Keywords: level alignment; para phenylene; level;
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Surface Defect Passivation and Energy Level Alignment Engineering with a Fluorine-Substituted Hole Transport Material for Efficient Perovskite Solar Cells.

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Published in 2021 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.0c21975

Abstract: The surface and boundary defects present in the perovskite film are reported to be nonradiative recombination and degradation centers, restricting further improvement of the power conversion efficiency (PCE) and long-term stability of perovskite solar cells.… read more here.

Keywords: fluorine substituted; perovskite solar; level alignment; energy level ... See more keywords

High-Efficiency Perovskite Quantum-Dot Light-Emitting Devices by Effective Washing Process and Interfacial Energy Level Alignment.

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Published in 2017 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.7b03382

Abstract: All inorganic perovskites quantum dots (PeQDs) have attracted much attention for used in thin film display applications and solid-state lighting applications, owing to their narrow band emission with high photoluminescence quantum yields (PLQYs), color tunability,… read more here.

Keywords: energy level; level alignment; efficiency; peqds ... See more keywords

Energy level alignment at molecule-metal interfaces from an optimally tuned range-separated hybrid functional

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Published in 2017 at "Journal of Chemical Physics"

DOI: 10.1063/1.4975321

Abstract: The alignment of the frontier orbital energies of an adsorbed molecule with the substrate Fermi level at metal-organic interfaces is a fundamental observable of significant practical importance in nanoscience and beyond. Typical density functional theory… read more here.

Keywords: range; level alignment; metal; range separated ... See more keywords

Impact of molecular orientation on energy level alignment at C60/pentacene interfaces

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Published in 2018 at "Applied Physics Letters"

DOI: 10.1063/1.5051421

Abstract: The molecular orientation and the electronic structure at molecular donor/acceptor interfaces play an important role in the performance of organic optoelectronic devices. Here, we show that graphene substrates can be used as templates for tuning… read more here.

Keywords: c60 pen; level alignment; molecular orientation; orientation ... See more keywords
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Adjusting energy level alignment between HTL and CsPbI2Br to improve solar cell efficiency

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Published in 2021 at "Journal of Semiconductors"

DOI: 10.1088/1674-4926/42/3/030501

Abstract: 1College of Materials Science and Engineering, Hunan University, Changsha 410082, China 2Center for Excellence in Nanoscience (CAS), Key Laboratory of Nanosystem and Hierarchical Fabrication (CAS), National Center for Nanoscience and Technology, Beijing 100190, China 3Hunan… read more here.

Keywords: adjusting energy; level alignment; htl cspbi2br; alignment htl ... See more keywords