Academic literature on the topic 'Self-Assembled p-Stacking'

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Journal articles on the topic "Self-Assembled p-Stacking"

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Jagan, R. "Self-assembled Supramolecular Frameworks and Interaction Energy Studies of Acridine and Dihydroxynaphthalene based Cocrystals." Журнал структурной химии 65, no. 4 (2024): 125018. http://dx.doi.org/10.26902/jsc_id125018.

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Three cocrystals of acridine with 2,7-dihydroxynaphthalene (Ia and Ib) in two different polymorphs and 1,5-dihydroxynaphthalene (II) have been synthesized and characterized by single crystal x-ray diffraction method. Two polymorphs of acridine,2,7-dihydroxynaphthalene cocrystal crystallizes in same sapcegroup P-1 with different unit-cell parameters. In (Ia) the O‒H group form a syn-anti conformation whereas in (Ib) the O‒H group form an anti-anti conformation leads to the polymorphic structure of acridine, 2,7-dihydroxynaphthalene. This study reveals that the influence of π…π and C‒H…π interac
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Mertens, Stijn F. L. "(Invited) Electric Field Switching of Single Molecules in a Self-Assembled Monolayer." ECS Meeting Abstracts MA2025-01, no. 32 (2025): 1626. https://doi.org/10.1149/ma2025-01321626mtgabs.

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In this talk, I will discuss mechanisms for controlled switching of the structure and properties of 2D materials at solid–liquid interfaces, from the collective scale down to single-molecule manipulation, at ambient temperatures and pressures. The 2D materials are self-assembled structures of tailored organic molecules, and the switching events depend on tipping the balance between intermolecular and adsorbate–substrate interactions [1,2] through external stimuli: the interfacial potential at electrochemical solid–liquid interfaces [3-5], the chemical potential of ionic species in solution [6]
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Ishikawa, Ryuta, Shunya Ueno, Hiroaki Iguchi, Brian K. Breedlove, Masahiro Yamashita, and Satoshi Kawata. "Supramolecular self-assembled coordination architecture composed of a doubly bis(2-pyridyl)pyrazolate bridged dinuclear CuII complex and 7,7′,8,8′,-tetracyano-p-quinodimethanide radicals." CrystEngComm 22, no. 2 (2020): 159–63. http://dx.doi.org/10.1039/c9ce01580a.

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A tetranuclear Cu<sup>II</sup> complex composed of a doubly bpypz<sup>−</sup> bridged dinuclear Cu<sup>II</sup> complex with TCNQ˙<sup>−</sup> self-assembles into a 3D supramolecular coordination architecture via complementary weak coordination bonding and π-stacking interactions.
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Cabrera-Pérez, Laura C., Efrén V. García-Báez, Marina O. Franco-Hernández, Francisco J. Martínez-Martínez та Itzia I. Padilla-Martínez. "Carbonyl–carbonyl interactions and amide π-stacking as the directing motifs of the supramolecular assembly of ethylN-(2-acetylphenyl)oxalamate in a synperiplanar conformation". Acta Crystallographica Section C Structural Chemistry 71, № 5 (2015): 381–85. http://dx.doi.org/10.1107/s2053229615006725.

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The title compound, C12H13NO4, is one of the few examples that exhibits asynconformation between the amide and ester carbonyl groups of the oxalyl group. This conformation allows the engagement of the amide H atom in an intramolecular three-centred hydrogen-bondingS(6)S(5) motif. The compound is self-assembled by C=O...C=O and amide–π interactions into stacked columns along theb-axis direction. The concurrence of both interactions seems to be responsible for stabilizing the observedsynconformation between the carbonyl groups. The second dimension, along thea-axis direction, is developed by sof
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Wang, Hao, Chaobo Dong, Yaliang Gui, et al. "Self-Powered Sb2Te3/MoS2 Heterojunction Broadband Photodetector on Flexible Substrate from Visible to Near Infrared." Nanomaterials 13, no. 13 (2023): 1973. http://dx.doi.org/10.3390/nano13131973.

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Van der Waals (vdWs) heterostructures, assembled by stacking of two-dimensional (2D) crystal layers, have emerged as a promising new material system for high-performance optoelectronic applications, such as thin film transistors, photodetectors, and light-emitters. In this study, we showcase an innovative device that leverages strain-tuning capabilities, utilizing a MoS2/Sb2Te3 vdWs p-n heterojunction architecture designed explicitly for photodetection across the visible to near-infrared spectrum. These heterojunction devices provide ultra-low dark currents as small as 4.3 pA, a robust photore
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Knobloch, Theresia, and Tibor Grasser. "(Invited) Gate Stack Design for Field-Effect Transistors Based on Two-Dimensional Materials." ECS Meeting Abstracts MA2023-01, no. 13 (2023): 1319. http://dx.doi.org/10.1149/ma2023-01131319mtgabs.

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1.Introduction Two-dimensional(2D) materials hold the promise to allow for ultrathin channels built of single atomic monolayers in ultimately scaled field-effect transistors (FETs). Due to this small thickness, an enhanced gate control is achieved while at the same time sizable mobilities in the 2D materials can be maintained[1]. In this way, the on-current density of the devices could potentially be increased to up to 1mA/μm by stacking six nanosheets on top of each other, combining p-type and n-type FETs in vertical integration. Even though FETs based on 2D materials hold a lot of promise, n
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Borum, Raina M., Maurice Retout, Matthew N. Creyer, Yu-Ci Chang, Karlo Gregorio, and Jesse V. Jokerst. "Self-assembled peptide-dye nanostructures for in vivo tumor imaging and photodynamic toxicity." npj Imaging 2, no. 1 (2024). http://dx.doi.org/10.1038/s44303-024-00008-4.

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AbstractWe report noncovalent assemblies of iRGD peptides and methylene blue dyes via electrostatic and hydrophobic stacking. These resulting nanomaterials could bind to cancer cells, image them with photoacoustic signal, and then treat them via photodynamic therapy. We first assessed the optical properties and physical properties of the materials. We then evaluated their utility for live cell targeting, in vivo imaging, and in vivo photodynamic toxicity. We tuned the performance of iRGD by adding aspartic acid (DD) or tryptophan doublets (WW) to the peptide to promote electrostatic or hydroph
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Nojo, Wataru, Yusuke Ishigaki, Kyosuke Sakai, Takanori Fukushima, and Takanori Suzuki. "Toward the molecular rectifier: Synthesis and redox properties of donor-acceptor dyad with a disulfide terminal group." Canadian Journal of Chemistry, March 22, 2025. https://doi.org/10.1139/cjc-2024-0263.

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By a non-conjugating trimethylene chain, a π-extended p-phenylenediamine unit and a trinitrofluorenone unit are connected to furnish an electron-donor-acceptor dyad, which prefers a π-π stacking geometry between donor and acceptor units exhibiting a charge-transfer band in the visible-near infrared region. Redox-triggered structural switching is induced upon one-electron oxidation or reduction with a change in conformation into a non-stacking extended form. The dyad with a lipoate subunit, which is suitable for the formation of a self-assembled monolayer, can serve as a promising material to m
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Zhang, Yijing, Zongyuan Yang, Mengyuan Li та ін. "Indenocarbazole‐Engineered Self‐Assembled Monolayers with Sterically Tuned π‐Stacking for High‐Efficiency p–i–n Perovskite Solar Cells". Advanced Energy Materials, 25 червня 2025. https://doi.org/10.1002/aenm.202501855.

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AbstractTerminal π‐extension is crucial for fabricating highly ordered self‐assembled monolayers (SAMs) that facilitate efficient hole transport in perovskite solar cells (PSCs). However, π‐expanded conjugation may compromise SAM film quality and ultimately degrading interfacial properties in p–i–n PSCs. To resolve this trade‐off, SAMs incorporating an indenocarbazole (InCz) terminal group are designed, which simultaneously addresses both molecular ordering and film formation challenges. The InCz‐terminated PAInCz demonstrates optimal balance through: 1) strengthened π‐interactions enabling de
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Gao, Peng, Chi Li, Yong chen, et al. "Deciphering the Impact of Aromatic Linkers in Self‐Assembled Monolayers on the Performance of Monolithic Perovskite/Si Tandem Photovoltaic." Angewandte Chemie International Edition, December 11, 2024. https://doi.org/10.1002/anie.202420585.

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Aromatic linker‐constructed self‐assembled monolayers (Ar‐SAMs) can modulate the work function of indium tin oxide (ITO), thereby improving hole extraction/transport efficiency. However, the specific role of the aromatic linkers between the polycyclic head and the anchoring groups of SAMs in determining the performance of perovskite solar cells (PSCs) remains unclear. In this study, we developed a series of phenothiazine‐based Ar‐SAMs to investigate how different aromatic linkers could affect molecular stacking, the regulation of substrate work function, and charge carrier dynamics. When serve
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Dissertations / Theses on the topic "Self-Assembled p-Stacking"

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Blanc, Ambre. "Dynamique quantique dissipative dans les systèmes excitoniques auto-assemblés." Electronic Thesis or Diss., Université de Lorraine, 2023. http://www.theses.fr/2023LORR0133.

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Le but de ce projet est de développer des modèles théoriques permettant d'étudier les transferts d'énergie à longue portée dans des systèmes biologiques auto-assemblés. Nous nous concentrons sur des empilements de phénanthrènes et de pyrènes encapsulés dans des brins d'ADN. Le choix de ces systèmes est motivé par de récentes expériences de spectroscopie à haute résolution spatio-temporelle, qui ont révélé le rôle important joué par le mécanisme de transfert excitonique. Les empilements de type π à base de phénanthrènes ont montré une capacité exceptionnelle pour le transport excitonique cohére
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