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Exploiting coordination geometry to tune the dimensions and processability of metallosupramolecular polymers.

ABSTRACT: Achieving precise control over the morphology, dimensions and processability of functional materials is a key but challenging requirement for the fabrication of smart devices. To address this issue, we herein compare the self-assembly behavior of two new Pt(ii) complexes that differ in the molecular and coordination geometry through implementation of either a monodentate (pyridine) or bidentate (bipyridine) ligand. The molecular preorganization of the bipyridine-based complex enables effective self-assembly in solution involving Pt⋯Pt interactions, while preserving aggregate solubility. On the other hand, increased steric effects of the linear bispyridine-based complex hinder an effective preorganization leading to poorly solvated aggregates when a critical concentration is exceeded.

SUBMITTER: Baumer N

PROVIDER: S-EPMC8314868 | biostudies-literature | 2021 Jul

REPOSITORIES: biostudies-literature

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Exploiting coordination geometry to tune the dimensions and processability of metallosupramolecular polymers.

Bäumer Nils N Kartha Kalathil K KK Buss Stefan S Palakkal Jasnamol P JP Strassert Cristian A CA Fernández Gustavo G

Organic chemistry frontiers : an international journal of organic chemistry 20210604 15

Achieving precise control over the morphology, dimensions and processability of functional materials is a key but challenging requirement for the fabrication of smart devices. To address this issue, we herein compare the self-assembly behavior of two new Pt(ii) complexes that differ in the molecular and coordination geometry through implementation of either a monodentate (pyridine) or bidentate (bipyridine) ligand. The molecular preorganization of the bipyridine-based complex enables effective s ...[more]

PMID: 34354839

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