Heterobimetallic Coordination Polymers Based on the [Pt(SCN)4]2– and [Pt(SeCN)4]2– Building Blocks

Kobayashi, Masayuki; Savard, Didier; Geisheimer, Andrew R.; Sakai, Ken; Leznoff, Daniel B.

doi:10.1021/ic302360b

Cited by 21 publications

(19 citation statements)

References 94 publications

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“…Essentially the same structure has been reported with diffraction data collected at room temperature (1981), and it is close to isostructural with the Mn analogue . The difference in the Co−N distance could be concealed by the coordination of the sulfur atom in the thiocyanate ligand with other metal centers …”

Section: Resultssupporting

confidence: 77%

Crystallography as Forensic Tool for Understanding Electrolyte Degradation in Dye–sensitized Solar Cells

et al. 2017

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The precipitation of solid compounds from model electrolytes for liquid dye‐sensitized solar cells has a story to tell regarding decomposition processes to be expected in such systems. Of course, the crystal lattice energy for a specific crystalline compounds plays a role in what compound that will eventually precipitate, but the compounds nevertheless serve as indicators for what type of processes that take place in the solar cell electrolytes upon ageing. From the compounds isolated in this study we learn that both ligand exchange processes, double‐salt precipitation and oxidation are degradation processes that should not be overlooked when formulating efficient and stable electrolytes for this type of electrochemical system.

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Section: Resultssupporting

confidence: 77%

Crystallography as Forensic Tool for Understanding Electrolyte Degradation in Dye–sensitized Solar Cells

et al. 2017

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“…The properties of thiocyanato-N/S-metalates very frequently also lead to one-dimensional chain topologies involving pairs of paramagnetic 3d-3d' [13,14] and 3d-4d metal ions [15], though the diamagnetic centers are in use [12,16]. The first structurally characterized (X-ray single crystal analysis) compound with [Cr(NCS) 6 ] 3 2+ and polymeric one-dimensional anion [{(SCN)Cr(NCS) 5 Ni(en) 2 } n ] n− .…”

Section: Introductionmentioning

confidence: 99%

Influence of the Substituted Ethylenediamine Ligand on the Structure and Properties of [Cu(diamine)2Zn(NCS)4]∙Solv. Compounds

et al. 2019

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In this paper, three new heterometallic compounds were described and compared with the molecular formula [Cu(pn)2Zn(NCS)4] (1), [Cu(N,N-Me2-en)2Zn(NCS)4] (2), [Cu(N-Me-en)2Zn(NCS)4]∙½H2O (3) where pn = 1,2−diaminopropane, N,N-Me2-en = N,N‒dimethylethylenediamine and N-Me-en = N-methylethylenediamine, respectively. The compounds mentioned above were characterized by elemental analysis, infrared (IR), electronic, electron paramagnetic resonance (EPR) spectra, and magnetic studies. Crystal structures for 1 and 2 were determined by X-ray analysis. Copper(II) in these complexes adopts 4 + 2 coordination with two elongated (in 2 very long and considered as semi-coordination) Cu-S bonds. The Cu-N and Cu-S bond lengths depend on substituent position affecting steric hindrance and hence a topology of the chain. Both chains form different zigzag patterns characterized by one or two Cu-Zn distance values. Weak magnetic interaction is observed, ferromagnetic in the case of 1 and antiferromagnetic in the case of 2, due to diversity of the above structural features.

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“…[1] Polymeric chains that are not prepared through self-assembly may nonetheless assemble into higher ordered structures;for example,d uring the self-organization of polymers into micelles. [1d,3] Metallopolymers,i nw hich monomer units come together through coordination to metal centers, [4] are capable of reorganizing both between and within polymer chains,t hanks to the reversibility of the coordinative interactions. [1d,3] Metallopolymers,i nw hich monomer units come together through coordination to metal centers, [4] are capable of reorganizing both between and within polymer chains,t hanks to the reversibility of the coordinative interactions.…”

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confidence: 99%

“…[2] Thedynamic behavior of such assemblies typically derives from intermolecular interactions between polymer chains,asopposed to reorganization within chains. [1d,3] Metallopolymers,i nw hich monomer units come together through coordination to metal centers, [4] are capable of reorganizing both between and within polymer chains,t hanks to the reversibility of the coordinative interactions. [5] These materials have exhibited high luminescence efficiencies, [6] stimuliresponsive behavior, [7] and self-healing properties, [8] and have been used to construct molecular electronics devices.…”

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confidence: 99%

Self‐Assembly of Conjugated Metallopolymers with Tunable Length and Controlled Regiochemistry

et al. 2017

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Self-assembled materials can be designed to express useful optoelectronic properties; however, achieving structural control is a necessary precondition for the optimization of desired properties. Here we report a simple, metal-templated polymerization process that generates helical metallopolymer strands over 75 repeat units long (28 kDa) from a single bifunctional monomer and Cu . The resulting polymer consists of a double helix of two identical conjugated organic strands enclosing a central column of metal ions. The length of this metallopolymer can be controlled by adding monofunctional subcomponents to end-cap the conjugated ligands. The use of ditopic and bulky monotopic subcomponents, respectively, allows a head-to-head or head-to-tail double helix to be generated. Spectroscopic measurements of different polymer lengths demonstrate how control over polymer length leads to control over the electronic and luminescent properties of the resulting material, thereby enabling tunable white-light emission.

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Heterobimetallic Coordination Polymers Based on the [Pt(SCN)₄]^2– and [Pt(SeCN)₄]^2– Building Blocks

Cited by 21 publications

References 94 publications

Crystallography as Forensic Tool for Understanding Electrolyte Degradation in Dye–sensitized Solar Cells

Crystallography as Forensic Tool for Understanding Electrolyte Degradation in Dye–sensitized Solar Cells

Influence of the Substituted Ethylenediamine Ligand on the Structure and Properties of [Cu(diamine)2Zn(NCS)4]∙Solv. Compounds

Self‐Assembly of Conjugated Metallopolymers with Tunable Length and Controlled Regiochemistry

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