George Koutsantonis

BSc PhD Adel., FRACI, Professor

  • The University of Western Australia (M313), 35 Stirling Highway, Room 311, Bayliss Building, Perth campus

    6009 Perth

    Australia

  • Source: Scopus
  • Calculated based on no. of publications stored in Pure and citations from Scopus
20202020

Research output per year

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Personal profile

Current projects

Tuning Redox Active Metal Complexes for Molecular Rectification

This project aims to develop molecular rectifiers incorporating organometallic complexes for future electronics applications. The molecules will be an integral part of the electronic device to ameliorate the technological problems arising from miniaturisation in the semiconductor realm. Expected outcomes are a new approach to molecular designs that provide a rectifying response in single molecules and large area molecular junctions. 

Redox-active Metallomicelles

Metallosurfactants are an emerging class of materials which offer interesting alternatives to traditional “organic” surfactants due to the range of properties inherent to complexed metal ions Introduction of such a centre can impart the magnetic and electronic properties, as well as the redox and catalytic activity of the complex to the surfactant system, which of course can be concentrated at an interface, be it polar/apolar (e.g. micelles, vesicles), solid/liquid (e.g. monolayers) or liquid/gas (e.g. Langmuir-Blodgett films)

Fundamental studies of host-guest supramolecular systems

Although supramolecular chemistry is one of the most active fields of modern chemistry, very little seems to be known about the detailed nature of the host and guest systems that comprise these aggregates. Supramolecular systems – molecular aggregates – underpin the design and development of materials in areas as diverse as catalysis, targeted drug delivery, gas storage, chemical separation and nonlinear optics. They also serve as models for complex phenomena such as self-assembly and ligand-receptor binding. Projects in this area are part of a research program aimed at a greater understanding of intermolecular interactions and the properties of host-guest systems in the solid state, particularly organic clathrates and complexes formed by small molecules interacting with crown ethers, calixarenes, molecular tweezers and cages (some examples are given in the figure below). These projects will involve some synthesis, and measurement of highly accurate X-ray diffraction data, complementary neutron diffraction experiments, quantum chemical calculations and computer graphics. A particular focus of the charge density analyses will be the polarization and dipole moment of guest molecules as a function of the changing electrostatic nature of the host systems.

Biography

2010-2016                   Professor (Level D)                            University of Western Australia

2009-2010                   Associate Professor                           University of Western Australia

2002-2008                   Senior Lecturer                                  University of Western Australia

1995-2002                   Lecturer                                             University of Western Australia

1991                            ARC Postdoctoral Fellow                  Griffith University

1989                            Postdoctoral Fellow                           University of Kentucky

Teaching

Coordinator CHEM3003

External positions

Co-Editor in Chief Australian Journal of Chemistry

1 Jun 2016 → …

Research expertise keywords

  • Molecular Electronics
  • Chemistry of materials
  • Inorganic chemistry—physical, structural and preparative
  • transition metal organometallic chemistry
  • Nanoscale chemistry
  • Synthetic chemistry
  • Precursor technology for chemical vapour deposition
  • Metals in chemistry and nanochemistry
  • Calixarene chemistry

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