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Keywords = vapochromic nanocrystals

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21 pages, 10605 KiB  
Article
Enhancing Vapochromic Properties of Platinum(II) Terpyridine Chloride Hexaflouro Phosphate in Terms of Sensitivity through Nanocrystalization for Fluorometric Detection of Acetonitrile Vapors
by Sedigheh Barzegar, Mahmood Karimi Abdolmaleki, William B. Connick and Ghodratollah Absalan
Crystals 2024, 14(4), 347; https://doi.org/10.3390/cryst14040347 - 5 Apr 2024
Viewed by 1735
Abstract
The vapochromic properties of [Pt(tpy)Cl](PF6) crystals in the presence of acetonitrile and its effect on the crystal structure as well as the fluorescence spectrum of this complex have already been studied in the past. We synthesized nanocrystals of this compound for [...] Read more.
The vapochromic properties of [Pt(tpy)Cl](PF6) crystals in the presence of acetonitrile and its effect on the crystal structure as well as the fluorescence spectrum of this complex have already been studied in the past. We synthesized nanocrystals of this compound for the first time, and discussed different parameters and methods that affect nanocrystal structure modulation. The study demonstrates the vapochromic properties of the nanocrystals toward acetonitrile vapor by investigating the morphology and fluorescence spectra of the nanocrystals. Vapochromic studies were conducted on [Pt(tpy)Cl](PF6) nanocrystals for five cycles of absorption and desorption of acetonitrile, demonstrating shorter response times compared to regular bulk crystals. Full article
(This article belongs to the Special Issue 1D and 2D Nanomaterials for Sensor Applications)
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