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Hattori Lab
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A lab that precisely distinguishes molecules and ions and creates new functions of organic molecules.

AboutAbout the lab
Pushing the functions of organic molecules to their limits
The Hattori Lab studies molecular and ion recognition, material functions, and organic synthesis reactions.
It creates organic crystalline materials that precisely distinguish and capture molecules and ions of very similar size and properties.
It also develops boron-based functional materials aimed at organic EL, organic scintillators, boron neutron capture therapy, and organic solid electrolytes.
In addition, it works on developing substitution reactions of aromatic compounds and alkenes based on new principles.
Key terms
- Host molecule
- A molecule with a cavity inside that takes in and encloses other molecules or ions
- Thermally activated delayed fluorescence
- A mechanism in which ambient heat returns molecules from a state that emits light poorly to a state that emits light, so that they can be used for emission
- Scintillator
- A material that emits light when struck by radiation such as X-rays or gamma rays, used to detect radiation
ResearchResearch themes
The lab develops organic crystalline materials that precisely distinguish, select, and capture molecules and ions, as well as organic molecules with optical and electrical functions. It also works on developing synthetic reactions with a low environmental impact that directly transform C-H bonds without using leaving groups.
*Illustrative imageCrystals That Distinguish Molecules
The lab develops separation materials with high selectivity and broad applicability, using the properties of nonporous crystals formed by host molecules such as calixarenes. In crystals of thiacalix[4]arene, which has sulfur bridges, it succeeded in capturing only ethanol from a mixture of alcohols.
*Illustrative imageMaterials for Separating Rare Metals
To make the separation and recovery of rare metals more efficient, the lab develops highly selective host-molecule-type extractants and metal ion separation methods with a low environmental impact. One example is the selective extraction of palladium and platinum ions using diaminocalixarenes.
*Illustrative imageOrganic EL Materials with Pure Color
To improve the luminous efficiency and color vividness of organic EL displays, the lab develops thermally activated delayed fluorescence (TADF) materials. By bridging the phenyl groups of triphenylborane with nitrogen, it succeeded in making a deep blue material with a narrow emission band.
*Illustrative imagePlastic Scintillators
A scintillator is a material that emits light when struck by radiation, and it is used in high-energy physics, in medical applications such as X-ray CT, and in security inspection. Aiming at plastic scintillators made by adding organic luminescent molecules to polymers, the lab works on designing and synthesizing molecules that emit light efficiently.
MembersFaculty
The members of the Hattori Lab are faculty and doctoral, master's, and undergraduate students.As of 2026
- ProfessorTetsutaro Hattori
- Associate ProfessorNaoya Morohashi
- Assistant ProfessorYuichi Kitamoto
VoicesStudent voices
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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: “Calixarene” Edgar181 / Public domain (cropped)
- Crystals That Distinguish Molecules: “P-tert-butylcalix-4-arene” Eutactic / Public domain (cropped)
- Materials for Separating Rare Metals: “Rareearthoxides” Peggy Greb, US department of agriculture / Public domain (cropped)
- Organic EL Materials with Pure Color: “AMOLED display microphoto 001 front ( )” Jan Helebrant / CC BY-SA 2.0 (cropped)
- Plastic Scintillators: “FZU scintillators 1” René Volfík / CC BY-SA 4.0 (cropped)
- Related lab (Pichierri Lab): “FuranELF” Silvi / CC BY-SA 4.0 (cropped)
- Related lab (Oi Lab): “Hoveyda-Grubbs-catalyst-1st-gen 3D-balls” Diogo Duarte / CC BY-SA 3.0 (cropped)
- Related lab (Iki Lab): “Europium (III) Hydroxide under UV light” Zlynkyx/Leo S / CC BY-SA 4.0 (cropped)
- Related lab (Nishibori Lab): “ESRF img 0853” Rama / CC BY-SA 2.0 fr (cropped)
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