Discovery Projects - Grant ID: DP170102145

Funding Activity

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Funded Activity Summary

Using anisotropic thermal expansion in organic semiconductor thin films. This project aims to capitalise upon the recent discovery of negative thermal expansion in high-performance organic semiconductor films. Certain molecules’ chemical structures have a planar conjugated core and flexible sidechains. When highly anisotropic thermal expansion occurs, the sidechains take up most of the thermal expansion. When a negative thermal expansion occurs, the pi-pi stacking distance decreases upon annealing. This effect has been linked with higher charge mobilities, and a tighter molecular packing is locked in upon cooling. The potential applications of these high performance organic semiconductors includes chemical/biosensors, electronic paper, and radio frequency identification cards.

Funded Activity Details

Start Date: 01-01-2017

End Date: 31-08-2020

Funding Scheme: Discovery Projects

Funding Amount: $435,000.00

Funder: Australian Research Council