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- Title
Vapor‐Induced Assembly of a Platinum(II) Complex Loaded on Layered Double Hydroxide Nanoparticles.
- Authors
Morimoto, Tamami; Yoshida, Masaki; Sato‐Tomita, Ayana; Nozawa, Shunsuke; Takayama, Junichi; Hiura, Satoshi; Murayama, Akihiro; Kobayashi, Atsushi; Kato, Masako
- Abstract
Controlled self‐assembly of PtII complexes is key to the development of optical and stimuli‐responsive materials, but designing and precisely controlling them is still difficult owing to weak intermolecular interactions. Herein, we report the successful water‐vapor‐induced assembly of an anionic PtII complex [Pt(CN)2(ppy)]− (Hppy=2‐phenylpyridine) electrostatically loaded onto cationically charged layered double hydroxide (LDH) nanoparticles consisting of Mg2+ and Al3+ ions. When the PtII complexes were densely loaded onto the LDH nanoparticles, the assembly was maintained, even in dilute aqueous media. In the case of sparse loading, the PtII complexes were loaded discretely in the dry state; however, when water vapor was adsorbed, the increased mobility of the PtII complexes led to their assembly on the LDH nanoparticles. The presence of water vapor led to a drastic change in luminescence from green to orange.
- Subjects
LAYERED double hydroxides; OPTICAL materials; PLATINUM; WATER vapor; NANOPARTICLES
- Publication
Chemistry - A European Journal, 2023, Vol 29, Issue 60, p1
- ISSN
0947-6539
- Publication type
Article
- DOI
10.1002/chem.202301993