Publication date: 15th December 2025
Chemical doping is essential for optimizing the performance of organic semiconductor (OSC) devices. While numerous strategies have been developed, most rely on strong oxidizing or reducing agents that modify the OSC’s redox state through direct electron-transfer reactions. Although effective, these methods often introduce challenges related to film morphology, long-term stability, and limited processing compatibility. Consequently, developing efficient doping approaches that operate under mild conditions and employ weak or readily accessible dopants remains an important and widely recognized unmet need within the field. In this presentation, I will highlight our recent efforts to overcome these limitations by introducing new doping concepts for OSCs, including metal-activated and light-driven redox processes. These approaches provide improved control, broaden material compatibility, and expand the design space for stable and scalable OSC doping. Together, they point toward more sustainable, versatile, and tunable strategies for tailoring the electronic properties of organic materials across a broad range of emerging applications.
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