Exploring multi-stimuli-responsive Pt(<scp>ii</scp>) complexes: supramolecular self-assembly, lysosome-specific targeted photodynamic therapy and photodegradation of organic pollutants

Ding, Hui; Deng, Xiepeng; Liu, Xiang; Shang, Wenzhao; Du, Xianchao; Wang, Sufan; Liu, Xia; Chen, Xiangrong; Liu, Hongjian; Su, Huifang

doi:10.1039/d3qi02584e

Inorg. Chem. Front.

2024

DOI: 10.1039/d3qi02584e

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Exploring multi-stimuli-responsive Pt(ii) complexes: supramolecular self-assembly, lysosome-specific targeted photodynamic therapy and photodegradation of organic pollutants

Hui Ding,

Xiepeng Deng,

Xiang Liu

et al.

Abstract: Developing novel luminescent materials with multi-stimuli-responsiveness and multi-functional properties is vital. Herein, we designed and synthesized aggregation-induced emission (AIE)-based platinum (II) compounds, Pt-Cl and Pt-PF, with multi-stimuli responsiveness. Pt-PF exhibited...

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Molecular engineering to design high-performance AIEgens: Optical properties, LED devices and water detection

Du,

Lv,

Liu

et al. 2025

Journal of Molecular Structure

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Molecular engineering to design high-performance AIEgens: Optical properties, LED devices and water detection

Du,

Lv,

Liu

et al. 2025

Journal of Molecular Structure

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Three Cu^I-Terpyridyl Coordination Polymers Regulated by π-Conjugated Groups and SCN^– Anions for Organic Dye Photodegradation

Li,

Wang,

Yan

et al. 2024

Crystal Growth & Design

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Developing novel materials for organic dye photodegradation is of great significance in wastewater treatment. Three Cu I -terpyridyl coordination polymers (CPs, have been solvothermally synthesized and exhibit two-dimensional structures extended by Cu I centers, SCN − , anions, and terpyridyl ligands with different π-conjugated groups. Complexes 1−3 can decompose methylene blue (MB), Rhodamine B (RhB), and methyl orange (MO) with photodegradation rates ranging from 44.4 to 96.8% in 120 min. Owing to the more positive valence band potential and lower band gap regulated by Cu(I) delectrons and pi-electrons of terpyridyl ligands, complex 2 exhibits the highest photocatalytic activity with the order of 2 > 1 > 3 and displays varied photodegradation efficiency for other dyes (Janus green B (JGB) and crystal violet (CV) with rates of 70.4 and 65.7% in 120 min, respectively). The degradation products and mechanism of MB by 2 have been proposed by liquid chromatography− mass spectrometry (LC-MS) and radical quenching experiments. These findings present an effective strategy for designing and synthesizing CPs in photodegradation by increasing the aromatic rings of π-conjugated groups and Cu I center numbers, which may exert important impacts in wastewater treatment.

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Unusual Metal–organic Multicomponent Ni(II) and Mononuclear Zn(II) Compounds Involving Pyridine dicarboxylates: Supramolecular Assemblies and Theoretical Studies

Dutta,

Sharma,

Banik

et al. 2024

Inorganics

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In the present work, we reported the synthesis and characterization [single crystal X-ray diffraction technique, spectroscopic, etc.] of two new Ni(II) and Zn(II) coordination compounds, viz. [Ni(2,6-PDC)2]2[Ni(en)2(H2O)2]2[Ni(en)(H2O)4]·4H2O (1) and [Zn(2,6-PDC)(Hdmpz)2] (2) (where 2,6-PDC = 2,6-pyridinedicarboxylate, en = ethylene-1,2-diamine, and Hdmpz = 3,5-dimethyl pyrazole). Compound 1 is found to crystallize as a multicomponent Ni(II) compound with five discrete complex moieties, whereas compound 2 is isolated as a mononuclear Zn(II) compound. A deep analysis of the crystal structure of 1 unfolds unusual dual enclathration of guest complex cationic moieties within the supramolecular host cavity stabilized by anion–π, π-stacking, N–H⋯O, C–H⋯O, and O–H⋯O hydrogen bonding interactions. Again, the crystal structure of compound 2 is stabilized by the presence of unconventional C–H⋯π(chelate ring) interactions along with C–H⋯O, C–H⋯N hydrogen bonding, π-stacking, and C–H⋯π(pyridyl) interactions. These non-covalent interactions were further studied theoretically using density functional theory (DFT) calculations, molecular electrostatic potential (MEP) surfaces, non-covalent interaction (NCI) plot index, and quantum theory of atoms in molecules (QTAIM) computational tools. The computational study displays that π-stacking or H bonds greatly tune the directionality of compound 1, although non-directional electrostatic forces dominate energetically. For compound 2, a combined QTAIM/NCI plot analysis confirms the presence of unconventional C–H⋯π(chelate ring) interactions along with other weak interactions obtained from the crystal structure analysis. Further, the individual energy contributions of these weak yet significant non-covalent interactions have also been determined computationally.

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Exploring multi-stimuli-responsive Pt(ii) complexes: supramolecular self-assembly, lysosome-specific targeted photodynamic therapy and photodegradation of organic pollutants

Abstract: Developing novel luminescent materials with multi-stimuli-responsiveness and multi-functional properties is vital. Herein, we designed and synthesized aggregation-induced emission (AIE)-based platinum (II) compounds, Pt-Cl and Pt-PF, with multi-stimuli responsiveness. Pt-PF exhibited...

Cited by 3 publications

References 54 publications

Molecular engineering to design high-performance AIEgens: Optical properties, LED devices and water detection

Molecular engineering to design high-performance AIEgens: Optical properties, LED devices and water detection

Three Cu^I-Terpyridyl Coordination Polymers Regulated by π-Conjugated Groups and SCN^– Anions for Organic Dye Photodegradation

Unusual Metal–organic Multicomponent Ni(II) and Mononuclear Zn(II) Compounds Involving Pyridine dicarboxylates: Supramolecular Assemblies and Theoretical Studies

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Exploring multi-stimuli-responsive Pt(ii) complexes: supramolecular self-assembly, lysosome-specific targeted photodynamic therapy and photodegradation of organic pollutants

Abstract: Developing novel luminescent materials with multi-stimuli-responsiveness and multi-functional properties is vital. Herein, we designed and synthesized aggregation-induced emission (AIE)-based platinum (II) compounds, Pt-Cl and Pt-PF, with multi-stimuli responsiveness. Pt-PF exhibited...

Cited by 3 publications

References 54 publications

Molecular engineering to design high-performance AIEgens: Optical properties, LED devices and water detection

Molecular engineering to design high-performance AIEgens: Optical properties, LED devices and water detection

Three CuI-Terpyridyl Coordination Polymers Regulated by π-Conjugated Groups and SCN– Anions for Organic Dye Photodegradation

Unusual Metal–organic Multicomponent Ni(II) and Mononuclear Zn(II) Compounds Involving Pyridine dicarboxylates: Supramolecular Assemblies and Theoretical Studies

Contact Info

Product

Resources

About

Three Cu^I-Terpyridyl Coordination Polymers Regulated by π-Conjugated Groups and SCN^– Anions for Organic Dye Photodegradation