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Designing organic semiconductor interfaces for advanced flexible electronics

Electronic devices such as solar cells and light-emitting diodes based on organic semiconductors show promise as cheap and flexible alternatives to conventional silicon-based electronics.

But organic devices are generally less efficient than their inorganic counterparts.

Honours Huang organic electronics p3ht_c60_bhj

Organic semiconductors can also enhance inorganic semiconductor devices, e.g. by improving light harvesting in silicon solar cells. A major impediment to more rapid development and widespread adoption of organic semiconductor technologies is that predicting device performance from the chemical structure of the constituent molecules is not easy.

Fundamentally, this is because organic semiconductor molecules are held together by weak non-covalent forces that result in significant structural disorder, which can greatly impact device properties.

The goal of this project is to develop a more predictive approach to controlling organic electronic device performance, in particular by exploiting molecular anisotropy to manipulate the structure of organic semiconductor interfaces.

The project will use statistical mechanics, quantum mechanics, and/or classical molecular simulations to address the general role of molecular anisotropy and interfaces in:

  • charge separation in organic photovoltaics (OPV);
  • charge transport in organic thin-film transistors (OTFTs);
  • light emission in organic light-emitting diodes (OLEDs); or 
  • singlet fission.

 

David Huang

Supervisor

Associate Professor David Huang

Research area: Theoretical chemistry, computational chemistry, physical chemistry, chemical physics - Huang Group School of Physical Sciences

Recommended honours enrolmentHonours in Chemistry

 

Tagged in Honours projects - Chemistry, Honours projects - Physics, Honours Projects - David Huang, Honours in Physics subtheme - Other, Honours projects - Mathematical physics

STEM Careers Night: On-campus and online

Whether you're still at high school or planning to join us mid-year, taking a break from study or rethinking your career path, come chat with us at our STEM Careers Night.

You and your parents are invited to join us on campus on Tuesday 18 May to see what’s available in the world of STEM.

STEM Careers Night