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Multidimensional Molecular Arrangement Lab
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The lab creates new molecules and molecular assemblies based on organic π-electron systems.
AboutAbout the lab
Designing π-electron molecules and shaping how they assemble
The Multidimensional Molecular Arrangement Lab studies the structures and properties of molecules and molecular assemblies, based on the chemistry of organic π-electron compounds.
It synthesizes organic π-electron compounds that are of structural, theoretical, and physical interest, extends this work to supramolecules and metal complexes, and aims to clarify the relationship between structure and properties/functions.
The lab works on azulene-based molecules, porphyrin-fullerene composites, and droplets with multiple-compartment structures, among other topics.
On the lab's website, it is introduced under the name "Tani-Goto Lab."
Key terms
- π-electron system
- A cloud of electrons that spreads flexibly across a molecule and shows distinctive optical and electronic properties
- Azulene
- A structural isomer of naphthalene; an aromatic molecule with 10 π electrons
- Helicene
- A polycyclic aromatic molecule with a helical structure
- Emulsion
- A state in which droplets of one liquid are dispersed in another liquid with which it does not mix
ResearchResearch themes
Based on the chemistry of organic π-electron compounds, the lab studies the structures and properties of molecules, supramolecules, molecular assemblies, and self-assembled structures. It aims to bring about new phenomena, clarify their principles, and create new functional materials. Using methods for designing, synthesizing, and evaluating the properties of molecules, together with methods for creating molecular arrangements that bring out the performance of materials, it aims to produce molecules and molecular assemblies of structural, theoretical, and physical interest.
*Illustrative imageNew π-electron molecules based on azulene
The lab synthesized a molecule with a greatly expanded π-electron system by fusing azulene, a structural isomer of naphthalene, around a tetracene diimide. This molecule absorbs light in the near-infrared region, and a helicene molecule containing azulene has yielded a cation radical that is stable even in air.
*Illustrative imageAssemblies of porphyrins and fullerenes
This research lines up fullerenes in a linear arrangement inside nanotube-like assemblies formed by cyclic porphyrin dimers. Photoinduced electron transfer from the porphyrin to the fullerene was observed, and a composite with lithium-ion-encapsulated fullerene achieved an extremely long-lived charge-separated state.
*Illustrative imageEmulsions with multiple-compartment, multiphase structures
Using phase separation, in which liquids separate from one another, the lab creates emulsions with multiple-compartment, multiphase structures and studies their dynamic functions. It has found that when a chemical reaction takes place inside a multiple droplet, the color change is synchronized with the movement of the droplet.
MembersFaculty
The lab's members are faculty and master's students.As of 2025
- Associate ProfessorFumito Tani
- Assistant ProfessorKenta Goto
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Numbered organic molecule” Wyatt Tyrone Smith / CC BY-SA 4.0 (cropped)
- New π-electron molecules based on azulene: “Sublsublimated azulene” NickItch / CC BY-SA 4.0 (cropped)
- Assemblies of porphyrins and fullerenes: “Fullerene c20 spacefilling” Qohelet12 / CC0 (cropped)
- Emulsions with multiple-compartment, multiphase structures: “Particles in polydimethylsiloxane (PDMS) oil-in water emulsion seen through an optical microscope” Kushina Dahlia / CC BY 4.0 (cropped)
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