Semiconducting organic molecules and polymers for electronic device applications

Do-Hoon Hwang

Department of Chemistry, Pusan National University, Busan, Korea

Organic semiconductors have emerged as a compelling alternative to traditional silicon-based inorganic semiconductor compounds. Benefiting from low-cost, large-area solution processing, these materials offer distinct advantages, including being lightweight, mechanically robust, and highly flexible or foldable. Consequently, they are widely applicable to diverse electronic devices such as organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and organic thin-film transistors (OTFTs). Furthermore, their intrinsic biocompatibility has recently driven extensive research into various bioelectronic applications. In this presentation, I will discuss strategic molecular engineering and polymer design tailored for organic photovoltaic cells, followed by a comprehensive analysis of the optoelectronic characteristics of the newly synthesized materials and their corresponding device performance.

References

1. “Effect of π -conjugated bridges of TPD-based medium bandgap conjugated copolymers for efficient tandem organic photovoltaic cells” Energy & Evironmental Science 7 (12) (2014) 4118 – 4131.

2. "Non-Fullerene Acceptors with Benzodithiophene-Based Fused Planar Ring Cores for Organic Solar Cells" ACS Applied Materials & Interfaces 15 (2023) 21306−21313.

3. "Organic X-Ray Image Sensors Using a Medium Bandgap Polymer Donor with Low Dark Current" Energy & Environmental Materials 7(6) (2024) e12750.