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Related Experiment Video

Updated: Mar 1, 2026

Amide Coupling Reaction for the Synthesis of Bispyridine-based Ligands and Their Complexation to Platinum as Dinuclear Anticancer Agents

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Published on: May 28, 2014

Optically Multiresponsive Heteroleptic Platinum Dithiolene Complex with Proton-Switchable Properties.

Salahuddin Attar¹, Davide Espa¹, Flavia Artizzu¹

¹Dipartimento di Scienze Chimiche e Geologiche and Unità di Ricerca INSTM, Università di Cagliari , S.S. 554-Bivio per Sestu, I09042 Monserrato-Cagliari, Italy.

Inorganic Chemistry

|May 26, 2017

Summary

This summary is machine-generated.

The platinum complex Bu4N[Pt(L1)(L2)] acts as a multiresponsive optical switch. HCl addition dramatically changes its color, luminescence, and nonlinear-optical properties, visible to the naked eye.

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Published on: April 10, 2015

Area of Science:

Coordination Chemistry
Materials Science
Optical Properties

Background:

Platinum complexes with dithiolene ligands are known for their interesting electronic and optical properties.
Developing stimuli-responsive materials is crucial for advanced optical applications.

Purpose of the Study:

To investigate the linear- and nonlinear-optical properties of a novel platinum complex, Bu4N[Pt(L1)(L2)] (1).
To explore the potential of complex 1 as a multiresponsive optical switch triggered by acid addition.

Main Methods:

Synthesis and characterization of the platinum complex Bu4N[Pt(L1)(L2)] (1).
Spectroscopic analysis (UV-Vis absorption, luminescence) to monitor changes in optical properties.
Measurement of nonlinear-optical (NLO) response, specifically the first hyperpolarizability.

Main Results:

Complex 1 exhibits a dramatic color change from deep blue to green upon addition of HCl at room temperature.
Luminescence properties shift from deep red to green, indicating a significant change in electronic structure.
The nonlinear-optical response (first hyperpolarizability) of the complex increases by a factor of 12.

Conclusions:

Bu4N[Pt(L1)(L2)] (1) functions as a unique multiresponsive optical switch.
The observed changes in color, luminescence, and NLO properties are readily detectable by visual observation.
This material shows promise for applications in optical sensing and switching devices.