Recent Trends of Molecular Engineering in Electronics and Energy Materials
발표 구분
초청강연
제목
Harnessing Light-Induced Molecular Dynamics for Advanced Organic Electronics: From Color-Cognitive Memristors to Efficient Hole Transport in Perovskite Devices
발표자
박상혁 (공주대학교)
연구책임자
박상혁 (공주대학교)
초록
내용
We present an integrated molecular design strategy that harnesses light-induced excited-state dynamics of organic semiconductors to advance multifunctional optoelectronic devices. First, a color-cognitive memristor is developed by employing photoresponsive molecular layers exhibiting light-enhanced polarity. This enables wavelength-dependent conductance modulation, mimicking human visual perception and enabling multispectral memory for neuromorphic vision. Second, we demonstrate that excited-state properties synergize with proton transfer to improve hole mobility in heterocyclic ring-based organic semiconductors. When implemented in a NiOx-based hybrid hole-transport layer for perovskite solar cells, the result is enhanced charge extraction and improved device efficiency. These results underscore the potential of light-driven molecular engineering in unifying sensory, memory, and energy-harvesting functions within organic electronic platforms.