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π-Conjugated molecules are fundamental building blocks for organic optical and electronic materials. Beyond their conventional roles as chromophores and semiconductors, π-conjugated molecules can also serve as active molecular components that convert chemical stimuli into dynamic motion and spatiotemporal organization. We have focused on the design of π-systems that exhibit autonomous behavior at interfaces, where molecular-level events such as redox reactions, complexation, and self-assembly are amplified into macroscopic motion.
In this presentation, I will mainly discuss self-propelled molecular materials based on π-conjugated molecules and their assemblies.[1–3]
[1] L. R. Holstein, N. J. Suematsu*, A. Takai* et al. Angew. Chem. Int. Ed. 2024, 63, e202410671.
[2] L. R. Holstein, N. J. Suematsu*, A. Takai* et al. J. Am. Chem. Soc. 2025, 147, 40024.
[3] L. R. Holstein, A. Takai* et al. RSC Adv. 2026, 16, 12725.
Biography: Atsuro TAKAI
He was educated at Osaka University, Japan. He received his Ph.D. from Osaka University under the direction of Professor Shunichi Fukuzumi. During his Ph.D. studies, he collaborated with professors Roger Guilard and Jean-Michel Barbe at Université de Bourgogne, France. He later became a JSPS (Japan Society for the Promotion of Science) postdoctoral researcher at the Organic Materials Group, National Institute for Materials Science (NIMS), Japan, working with Professor Masayuki Takeuchi. From March 2013 to August 2014, he worked for Professors Antonio Facchetti and Tobin J. Marks at Northwestern University, USA. After spending a few years as a tenure-track researcher at the International Center for Young Scientists (ICYS) at NIMS, he was appointed as a tenured senior researcher. He is also an Associate Professor at University of Tsukuba.
