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

Author: Grafiati

Published: 8 June 2024

Last updated: 31 July 2025

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1

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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2

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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3

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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4

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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5

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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6

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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7

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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8

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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9

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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10

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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11

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, December 11, 2024. https://doi.org/10.1002/ange.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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12

Zhang, Yehui, Ziyang Song, Ling Miao, Yaokang Lv, Lihua Gan, and Mingxian Liu. "Non‐Metallic NH4+/H+ Co‐Storage in Organic Superstructures for Ultra‐Fast and Long‐Life Zinc−Organic Batteries." Angewandte Chemie, November 27, 2023. http://dx.doi.org/10.1002/ange.202316835.

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Compared with Zn2+ storage, non‐metallic charge carrier with small hydrated size and light weight shows fast dehydration and diffusion kinetics for Zn−organic batteries. Here we first report NH4+/H+ co‐storage in self‐assembled organic superstructures (OSs) by intermolecular interactions of p‐benzoquinone (BQ) and 2, 6‐diaminoanthraquinone (DQ) polymer through H‐bonding and π‐π stacking. BQ‐DQ OSs exhibit exposed quadruple‐active carbonyl motifs and super electron delocalization routes, which are redox‐exclusively coupled with high‐kinetics NH4+/H+ but exclude sluggish and rigid Zn2+ ions. A u

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13

Zhang, Yehui, Ziyang Song, Ling Miao, Yaokang Lv, Lihua Gan, and Mingxian Liu. "Non‐Metallic NH4+/H+ Co‐Storage in Organic Superstructures for Ultra‐Fast and Long‐Life Zinc−Organic Batteries." Angewandte Chemie International Edition, November 27, 2023. http://dx.doi.org/10.1002/anie.202316835.

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Compared with Zn2+ storage, non‐metallic charge carrier with small hydrated size and light weight shows fast dehydration and diffusion kinetics for Zn−organic batteries. Here we first report NH4+/H+ co‐storage in self‐assembled organic superstructures (OSs) by intermolecular interactions of p‐benzoquinone (BQ) and 2, 6‐diaminoanthraquinone (DQ) polymer through H‐bonding and π‐π stacking. BQ‐DQ OSs exhibit exposed quadruple‐active carbonyl motifs and super electron delocalization routes, which are redox‐exclusively coupled with high‐kinetics NH4+/H+ but exclude sluggish and rigid Zn2+ ions. A u

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14

Sahu, Nihar, Chandrakanta Guchhait, Indrajit Mohanta, Vembanan Suriyaa, and Bimalendu Adhikari. "Cu(I)‐Induced G‐quartets: Robust Supramolecular Polymers Exhibiting Heating‐Induced Aqueous Phase Transitions into Gel or Precipitate." Angewandte Chemie, January 20, 2025. https://doi.org/10.1002/ange.202417508.

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Certain proteins and synthetic covalent polymers experience aqueous phase transitions, driving functional self‐assembly. Herein, we unveil the ability of supramolecular polymers (SPs) formed by G4.Cu+ to undergo heating‐induced unexpected aqueous phase transitions. For the first time, guided by Cu+, guanosine (G) formed a highly stable G‐quartet (G4.Cu+)/G‐quadruplex as a non‐canonical DNA secondary structure with temperature tolerance, distinct from the well‐known G4.K+. The G4.Cu+ self‐assembled in water through p‐p stacking, metallophilic and hydrophobic interactions, forming thermally robu

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15

Sahu, Nihar, Chandrakanta Guchhait, Indrajit Mohanta, Vembanan Suriyaa, and Bimalendu Adhikari. "Cu(I)‐Induced G‐quartets: Robust Supramolecular Polymers Exhibiting Heating‐Induced Aqueous Phase Transitions into Gel or Precipitate." Angewandte Chemie International Edition, January 20, 2025. https://doi.org/10.1002/anie.202417508.

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Certain proteins and synthetic covalent polymers experience aqueous phase transitions, driving functional self‐assembly. Herein, we unveil the ability of supramolecular polymers (SPs) formed by G4.Cu+ to undergo heating‐induced unexpected aqueous phase transitions. For the first time, guided by Cu+, guanosine (G) formed a highly stable G‐quartet (G4.Cu+)/G‐quadruplex as a non‐canonical DNA secondary structure with temperature tolerance, distinct from the well‐known G4.K+. The G4.Cu+ self‐assembled in water through p‐p stacking, metallophilic and hydrophobic interactions, forming thermally robu

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16

Rafique, Muhammad Ghufran, Yihao Wu, Yutong Shi, et al. "Complex Donuts: Small Variations in DNA Sequence Dictate Pathway Complexity in DNA Nanotoroids." Angewandte Chemie, June 14, 2025. https://doi.org/10.1002/ange.202501441.

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The formation of higher‐order structures in natural biopolymers like polypeptides and nucleic acids is governed by sequence specificity and monomer chemistry. Nucleic acids can assemble into programmable nanostructures through base‐pairing interactions, but their chemical diversity is limited to four nucleobases. DNA amphiphiles address this by introducing orthogonal interactions through non‐nucleosidic modifications. These amphiphiles self‐assemble into diverse morphologies, such as spheres, fibers, or nanosheets, with closely packed, parallel DNA strands on their exterior. This unusual arran

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17

Rafique, Muhammad Ghufran, Yihao Wu, Yutong Shi, et al. "Complex Donuts: Small Variations in DNA Sequence Dictate Pathway Complexity in DNA Nanotoroids." Angewandte Chemie International Edition, June 14, 2025. https://doi.org/10.1002/anie.202501441.

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The formation of higher‐order structures in natural biopolymers like polypeptides and nucleic acids is governed by sequence specificity and monomer chemistry. Nucleic acids can assemble into programmable nanostructures through base‐pairing interactions, but their chemical diversity is limited to four nucleobases. DNA amphiphiles address this by introducing orthogonal interactions through non‐nucleosidic modifications. These amphiphiles self‐assemble into diverse morphologies, such as spheres, fibers, or nanosheets, with closely packed, parallel DNA strands on their exterior. This unusual arran

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18

Han, Nana, Xuemei Huang, Xuehao Tian, et al. "Self-assembled nanoparticles of natural phytochemicals (berberine and 3,4,5-methoxycinnamic acid) originated from traditional Chinese medicine for inhibiting multidrug-resistant Staphylococcus aureus." Current Drug Delivery 17 (November 24, 2020). http://dx.doi.org/10.2174/1567201817666201124121918.

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Background: In the field of antibacterial, nanomaterials are favored by researchers because of their unique advantages. Medicinal plants, especially traditional Chinese medicine, are considered to be an important source of new chemicals with potential therapeutic effects, as well as an important source for the discovery of new antibiotics. MRSA is endangering people's lives as a kind of multidrug-resistant Staphylococcus aureus which are resistant to tetracycline, amoxicillin, norfloxacin and other first-line antibiotics. It is a hotspot to find good anti-drug-resistant bacteriae, nature-origi

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19

Braban, Mircea, and Ionel Haiduc. "The structure of [Cu(bipy)3][Cu(bipy)(ala)(ClO4)2]ClO4 � a Compound with Two Different Coordination Modes in the same Complex." Revista de Chimie 59, no. 11 (2008). http://dx.doi.org/10.37358/rc.08.11.2003.

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The paper describes the solid state structure of a compound of composition [Cu(bipy)3][Cu(bipy)(ala) (ClO4)2]ClO4, in which both the cation and anion are octahedral complex species with copper(II) as coordination center. The cation contains three chelate rings formed by bipy; the anion contains in the quatorial plane a CuONC2 chelate ring formed by the alaninato ligand and a CuN2C2 chelate ring formed by bipy, with two monodentate perchorato ligands in axial positions completing the six-coordination. In the crystal p-p stackings lead to a supramolecular self-assembled structure.

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20

Kim, Sung Yong, Chan Young Kim, Jeong Hyeon Park, et al. "Harmonious Layer Design in Wide‐Bandgap p‐i‐n Perovskite Solar Cells Using Carbazole and Triazatruxene‐Based Molecules." Small, July 15, 2025. https://doi.org/10.1002/smll.202505638.

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AbstractRecent advancements in self‐assembled monolayer (SAM) molecules have enhanced device efficiency and stability in wide‐band gap perovskite solar cells (PSCs). Although numerous mixed SAM strategies enhance hole extraction, comprehending the morphology of surfaces with two or more different deposited SAMs remains challenging. Contact angle analysis is employed to understand the SAM ratio and correlate it with device efficiency. A harmonious layer for the perovskite bottom interface is designed by integrating tripodal 3PATAT‐C3 and monopodal Me‐4PACz, thereby improving wettability and hol

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21

Ameku, W.A., V.N. Ataide, E.T. Costab, et al. "A pencil-lead immunosensor for the rapid electrochemical measurement of anti-Diphtheria Toxin antibodies." October 30, 2021. https://doi.org/10.5281/zenodo.5628477.

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<strong>Abstract: </strong>Diphtheria is a vaccine-preventable disease, yet immunization can wane over time to non-protective levels. We have developed a low-cost, miniaturized electroanalytical biosensor to quantify anti-diphtheria toxin (DTx) immunoglobulin G (IgG) antibody to minimize the risk for localized outbreaks. Two epitopes specific to DTx and recognized by antibodies generated post-vaccination were selected to create a bi-epitope peptide, biEP, by synthesizing the epitopes in tandem. The biEP peptide was conjugated to the surface of a pencil-lead electrode (PLE) integrated into a po

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