Research
The most significant advantage of the diversity of organic molecules is that they can be tailored to meet specific requirements. Our team primarily focuses on developing novel high-performance materials that interact strongly with near-infrared (NIR) light. Recently, NIR light has been recognized for its utility and high demand and is expected to contribute significantly to energy, environmental, and medical sciences. Our research is centered on synthetic organic chemistry, which combines element chemistry, structural chemistry, and dye chemistry.
Synthetic chemistry of NIR-dyes and pigments
It is known that light has various properties depending on its wavelength. NIR light, which is light with a slightly longer wavelength (around 700~2000 nm) than vivid visible light (400~700 nm), cannot be perceived by the human eye. Nevertheless, within solar energy, 40% of radiance comprises NIR light, demanding a comprehensive consideration for its incorporation into the solar energy paradigm. NIR light's high permeability and safety are also attractive for environmental and medical sciences. Our research collective directs its focus towards phthalocyanines, which are famous industrial dyes and pigments. Phthalocyanines can be modified in various synthetic methods, and various elements can be introduced into the central core. We have succeeded in synthesizing various materials that can interact with NIR light, via the introduction of pioneering molecular architectures.
Development of NIR-light mediated photoreactions
In recent years, there has been a notable surge in interest towards visible-light-mediated organic synthesis. If we can harness NIR light for driving organic transformations, it could lead to the direct manipulation of visible-light-responsive materials and enable selective reactions within shielded environments, such as in vivo conditions.
We have succeeded in developing NIR-light-mediated organic reactions for the first time using NIR dyes with diverse photo- and electrochemical properties that we have developed. Currently, our research endeavors are centered around the exploration of novel avenues for organic synthesis. This exploration entails broadening the scope of available NIR photocatalysts and refining reaction methodologies. Our efforts are anticipated to unravel innovative possibilities within the field of organic synthesis.
Propose new molecular structures
Designing novel materials employing established dyes and pigments constitutes a potent approach, though limitations hinge on the attributes of the base molecular framework. Our team can address this predicament through the application of synthetic organic methodologies, facilitating the creation of innovative molecular frameworks using a "bottom-up" strategy. We have achieved success in formulating "ball-shaped metal complexes" that exhibit strong interaction with NIR light, and in expanding phthalocyanines with antiaromatic properties through bottom-up synthesis. Our current investigations encompass the distinctive physical properties emanating from these unique structures, as well as the exploration of new molecular skeletons that remain undiscovered.
Various collaborations
Our team can translate the problems encountered by scientists and industry into specific molecular structures through collaborations in various fields. We hope that the borderless possibilities offered by our unique molecules serve as a nexus for expanding novel theories and technologies. Please feel free to contact us if you need our molecular technology.
