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Coordination polymer

About: Coordination polymer is a research topic. Over the lifetime, 11988 publications have been published within this topic receiving 212219 citations.


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TL;DR: In this paper, the upconversion emission of the Y:Er-Yb co-doped coordination polymer was studied and the unusual blue emission for the Er(III) complexes was observed, which arises from the 2H9/2/→ 4I15/2 transition and can be explained by three-photon excitation mechanism which is mostly phonon-dependent.

56 citations

Journal ArticleDOI
TL;DR: In this paper, a detailed photophysical study was performed on an entangled porous coordination polymer (PCP) containing N,N′-dipyrid-4-yl-1,4,5,8-naphthalenediimide (dpNDI) as an electron acceptor moiety and different substituted benzene guests as electron donor units by time-resolved fluorescence spectroscopy.
Abstract: A detailed photophysical study was performed on an entangled porous coordination polymer (PCP) containing N,N′-dipyrid-4-yl-1,4,5,8-naphthalenediimide (dpNDI) as an electron acceptor moiety and different substituted benzene guests as electron donor units by time-resolved fluorescence spectroscopy. Emission from exciplex (A–D)*EX and charge transfer complex (Aδ−–Dδ+)*CT states was identified thanks to the different conformations adopted by aromatic guests in the different adsorption sites of the PCP (denominated pore A and pore B). Fluorescence lifetime values of exciplexes and charge transfer complexes linearly correlate with the dipole moments and the ionization potentials of different substituted benzene guests, respectively. We have also identified other emissive species with much lower emission efficiency, that is, emission from the NDI pillar itself and from its interaction with the benzenedicarboxylate linker.

56 citations

Journal ArticleDOI
TL;DR: It is exciting that the absolute asymmetric synthesis of a chiral coordination polymer could be enantioselective when using CPL, and provides a strategy for the control of the chirality of chiralcoordination polymers.
Abstract: Circular dichroism is known to be the feature of a chiral agent which has inspired scientist to study the interesting phenomena of circularly polarized light (CPL) modulated molecular chirality. Although several organic molecules or assemblies have been found to be CPL-responsive, the influence of CPL on the assembly of chiral coordination compounds remains unknown. Herein, a chiral coordination polymer, which is constructed from achiral agents, was used to study the CPL-induced enantioselective synthesis. By irradiation with either left-handed or right-handed CPL during the reaction and crystallization, enantiomeric excesses of the crystalline product were obtained. Left-handed CPL resulted in crystals with a left-handed helical structure, and right-handed CPL led to crystals with a right-handed helical structure. It is exciting that the absolute asymmetric synthesis of a chiral coordination polymer could be enantioselective when using CPL, and provides a strategy for the control of the chirality of chiral coordination polymers.

56 citations

Journal ArticleDOI
TL;DR: In this paper, Quadrate Co3O4 nanoboxes are fabricated through controlled annealing of cobalt coordination polymer nano-solids with tunable dimensions, such as cuboids, wires, cuboids and cubes.
Abstract: Transition metal oxide hollow architectures are intensively explored for energy conversion and storage applications. Feasible strategies towards various hollow architectures, particularly those with non-spherical skeletons, are especially attractive. Quadrate Co3O4 nanoboxes are fabricated through controlled annealing of cobalt coordination polymer nano-solids with tunable dimensions. The cobalt coordination polymer in quadrate wires, cuboids, and cubes is synthesized by temperature and concentration dependent solvothermal method. Evolution of the nanoboxes involves Co3O4 shell formation and uniform depletion of the cobalt coordination polymer in the core. Benefitting from the well-defined hollow interior and nanosized crystals, the quadrate nanoboxes have large specific surface and abundant hierarchical pores. When evaluated as anode materials for lithium ion batteries, the boxes exhibited excellent electrochemical properties. Besides a superior storage capability of 1200 mA h g−1 at 0.2 A g−1, a remarkable retention of 625 mA h g−1 at a large rate of 10 A g−1 is also obtained.

56 citations

Journal ArticleDOI
TL;DR: In this article, a discrete neutral molecular species with formulation [Zn(HBTC)2(Hdpa)2] (1) was isolated, which aggregates into two-dimensional hydrogen-bonded layers.

56 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
2023152
2022360
2021576
2020657
2019663
2018688