Articles with "halogen" as a keyword



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Through‐Space CBr···π Halogen Interaction: Efficient Modulation of Reaction‐Based Photochromism and Photoluminescence at Crystalline States for Irradiation Time‐Dependent Anti‐Counterfeiting

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Published in 2020 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202009024

Abstract: Reaction‐based photo‐responsive molecular systems have been used as a reliable platform for building intelligent materials, but often suffer from high inactivity in terms of conversion efficiency and reversibility when it comes to solid‐state applications. Herein,… read more here.

Keywords: photoluminescence; reaction based; solid state; state ... See more keywords
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Strategic Halogen Substitution to Enable High‐Performance Small‐Molecule‐Based Tandem Solar Cell with over 15% Efficiency

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Published in 2020 at "Advanced Energy Materials"

DOI: 10.1002/aenm.201903846

Abstract: Small molecules have been recently highlighted as active materials owing to their facile synthesisis method, well‐defined molecular structure, and highly reproducible performance. In particular, optimizing bulk heterojunction (BHJ) morphologies is important to achieving high performance… read more here.

Keywords: high performance; small molecule; performance; halogen ... See more keywords
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Halogen Substituents in the Isoquinoline Scaffold Switches the Selectivity of Inhibition between USP2 and USP7

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Published in 2019 at "ChemBioChem"

DOI: 10.1002/cbic.201800612

Abstract: Deubiquitinases are important components of the protein regulatory network and, hence, constitute a tempting drug target. We report herein structure–activity relationship studies to develop halogen‐substituted isoquionoline‐1,3‐dione‐based inhibitors of the deubiquitinase USP2. In contrast to our… read more here.

Keywords: switches selectivity; inhibition; halogen substituents; halogen ... See more keywords
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Comparison of Anion-Anion Halogen Bonds with Neutral-Anion Halogen Bonds in the Gas Phase and Polar Solvents.

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Published in 2021 at "ChemPlusChem"

DOI: 10.1002/cplu.202000734

Abstract: In recent years, anion-anion halogen bonds and neutral-anion halogen bonds have received extensive attention. In this work, the possibility of halogen bonding of neutral and anionic forms of para-substituted iodine derivatives of dithiobenzoic acid and… read more here.

Keywords: anion; anion anion; halogen; gas phase ... See more keywords
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Tuning of Ionic Liquid Crystal Properties by Combining Halogen Bonding and Fluorous Effect.

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Published in 2021 at "ChemPlusChem"

DOI: 10.1002/cplu.202100046

Abstract: We report halogen-bonded complexes between 1-polyfluoroalkyl-3-alkylimidazolium iodides and mono-iodoperfluoroalkanes of different chain lengths or di-iodoperfluorooctane. 19 F NMR analyses revealed that the preferred stoichiometry between the donors and acceptors is 1 : 1 in the cases of… read more here.

Keywords: ionic liquid; liquid; liquid crystal; halogen ... See more keywords
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Aggregation-Induced Electrochemiluminescence and Nitric Oxide Recognition by Halogen Bonding with a Ruthenium(II) Complex.

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Published in 2023 at "ChemPlusChem"

DOI: 10.1002/cplu.202200421

Abstract: In this study, a new strategy for NO detection based on the aggregation-induced electrochemical luminescence (AIECL) of a ruthenium-based complex and the halogen bonding effect was developed. First, [Ru(phen)2(phen-Br2)]2+ (phen:1,10-phenanthroline, phen-Br2:3,8-dibromo-1,10-phenanthroline) was synthesized and exhibited aggregation-induced… read more here.

Keywords: halogen; phen; aggregation induced; halogen bonding ... See more keywords
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Halogen Bonds in Square Planar 2,5‐Dihalopyridine–Copper(II) Bromide Complexes

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Published in 2018 at "European Journal of Inorganic Chemistry"

DOI: 10.1002/ejic.201800144

Abstract: Halogen bonding in self-complementary 1:2 metal-ligand complexes obtained from copper(II) bromide (CuBr2) and seven 2,5dihalopyridines are analyzed using single crystal X-ray diffraction. All presented discrete complexes form 1-D polymeric chains connected with C–X···Br–Cu halogen bonds… read more here.

Keywords: bonds square; copper bromide; square planar; halogen ... See more keywords
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Heptacoordinate Structures of Halogenostannanes with Three Phosphine Donors: Significant Influence of Halogen Substituents on Their Geometries

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Published in 2019 at "European Journal of Inorganic Chemistry"

DOI: 10.1002/ejic.201900524

Abstract: Structural studies were performed on heptacoordinate compounds of halostannanes {(o-Ph2P)C6H4}3SnX (X = F (1), Cl (3), Br (4), I (5)) with three phosphine donors. The fluorostannane (1) has a novel heptacoordinate geometry, in which three… read more here.

Keywords: three phosphine; form; geometry; halogen ... See more keywords
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Disentanglement of orthogonal hydrogen and halogen bonds via natural orbital for chemical valence: A charge displacement analysis

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Published in 2020 at "Journal of Computational Chemistry"

DOI: 10.1002/jcc.26165

Abstract: As known, the electron density of covalently bound halogen atoms is anisotropically distributed, making them potentially able to establish many weak interactions, acting at the same time as halogen bond donors and hydrogen bond acceptors.… read more here.

Keywords: displacement analysis; analysis; orbital chemical; charge displacement ... See more keywords
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Computationally rational design of metal‐involving halogen bonds with π‐covalency: Structures and bonding analysis

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Published in 2022 at "Journal of Computational Chemistry"

DOI: 10.1002/jcc.27036

Abstract: Traditional π‐covalent interactions have been proved in the non‐metal halogen bond adducts formed by chloride and halogenated triphenylamine‐based radical cations. In this study, we have rationally designed two metal‐involving halogen bond adducts with π‐covalency property,… read more here.

Keywords: halogen; involving halogen; halogen bond; metal ... See more keywords
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Series of Halogen Engineered Ni(OH)2 Nanosheet for Pseudocapacitive Energy Storage with High Energy Density.

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Published in 2023 at "Small"

DOI: 10.1002/smll.202300467

Abstract: Ni(OH)2 nanosheet, acting as a potential active material for supercapacitors, commonly suffers from sluggish reaction kinetics and low intrinsic conductivity, which results in suboptimal energy density and long cycle life. Herein, a convenient electrochemical halogen… read more here.

Keywords: halogen; high energy; density; energy ... See more keywords