Organic memory devices based on a bis-cyclometalated alkynylgold(III) complex

Area of Science:

• Organometallic Chemistry
• Materials Science
• Nanoscience

Background:

• Cyclometalated gold complexes are known for their interesting photophysical and electrochemical properties.
• Organic memory devices offer potential for low-cost, flexible electronic applications.

Purpose of the Study:

• To synthesize and characterize a new bis-cyclometalated alkynylgold(III) complex.
• To investigate the photophysical and electrochemical characteristics of the synthesized complex.
• To evaluate the performance of the complex in organic memory devices.

Main Methods:

• Synthesis of the bis-cyclometalated alkynylgold(III) complex using established organometallic synthetic routes.
• Characterization of the complex using spectroscopic techniques (NMR, Mass Spectrometry) and elemental analysis.
• Fabrication and testing of organic memory devices incorporating the gold complex, evaluating parameters like operating voltage, ON/OFF ratio, retention time, and stability.

Main Results:

• Successful synthesis and full characterization of the [Au((t)BuC^N^C(t)Bu)(C≡C-C6H4N(C6H5)2-p)] complex.
• The complex exhibits rich photophysical properties, including luminescence, and distinct electrochemical behavior.
• Organic memory devices fabricated with this gold complex demonstrated high performance: low operating voltage, high ON/OFF ratio, long retention time, and good stability.

Conclusions:

• The synthesized bis-cyclometalated alkynylgold(III) complex possesses valuable photophysical and electrochemical properties.
• This gold complex is a promising material for the fabrication of high-performance organic memory devices.
• The study highlights the potential of tailored organometallic complexes in advancing organic electronics.