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Interface Control Engineering Lab
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The lab seeks to understand how molecules and particles behave in narrow nanoscale spaces.
AboutAbout the lab
Selectively creating structures with interfacial forces
The Interface Control Engineering Lab studies the theme of "engineering of nanoscale confined spaces."
An interface is where two phases with different properties meet, and molecules there show properties different from those in the bulk.
In nanospaces such as porous materials and nanoparticles, where these effects are strong, the lab analyzes and models the behavior and structure of molecules and particles through simulation and experiments.
The lab aims to link microscopic structure with macroscopic function and apply this to creating functional materials and designing processes.
Key terms
- MOF (metal-organic framework)
- A porous crystal formed by combining metal ions and organic molecules. It can store and separate gases
- Brownian dynamics
- A computational method that reproduces on a computer the random motion of particles in a liquid
- Nucleation
- The first formation of a tiny seed of a crystal or particle in a liquid or other medium
NewsLab news
Review on particle formation beyond classical nucleation released
Paper on producing ZIF-8 particles of uniform, tunable size without additives released (selected as a cover)
Paper on the asymmetry underlying the gate opening and closing of the flexible porous material ELM-11 released (selected as a cover)
Paper on Bayesian estimation of pore size distributions in porous carbon released
Paper on flow synthesis of Pd-Ru alloy nanoparticles in water at room temperature published in Chem. Mater.
ResearchResearch themes
The aim of chemical engineering is expanding from "control of composition" to "control of structure." The lab aims to find, understand, and quantitatively model how assemblies of molecules and nanoparticles undergo phase transitions and form structures when placed under an "external field," such as in a nanospace or on a solid substrate.
*Illustrative imagePhase Transitions in Nanospaces
To make the most of nanospace materials, it is important to understand how molecular assemblies behave inside them. The lab analyzes and models phase transitions such as gas-liquid and solid-liquid at the molecular level, and also works to improve the accuracy of pore characterization by nitrogen and argon adsorption.
*Illustrative imageSoft Porous Materials That Change Shape
Flexible porous materials, whose framework structure changes so that they take up and release gas in a stepwise manner, are found among MOFs. Using molecular simulation and free energy analysis, the lab aims to clarify the mechanism and establish guidelines for materials design.
*Illustrative imageHow Nanoparticles Assemble Themselves
The lab experimentally investigates the relationship between operating conditions and the resulting structures in methods that arrange nanoparticles using forces that attract them to a substrate or liquid films that wet the substrate. Based on Brownian dynamics, it models the process by which ordered structures form.
*Illustrative imageMaking Particles in Small Reactors
The key to making functional materials is controlling nucleation, which is the origin of structure. Using the strong mixing fields of microchannels and the nanospaces of dendrimers as reaction sites, the lab studies the elementary processes of nucleation through both experiments and simulation.
MembersFaculty
The faculty of the Interface Control Engineering Lab are Associate Professor Satoshi Watanabe and Assistant Professor Shotaro Hiraide.
- Associate ProfessorSatoshi Watanabe
- Assistant ProfessorShotaro Hiraide
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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: “Zeolite Mordenite (with Al substitution)” Spacegroup143 / CC BY-SA 3.0 (cropped)
- Phase Transitions in Nanospaces: “Porous Geopolymer Structure” Eva Santini, Michela E. Pedretti, Giovanna Canu, CNR-ICMATE / CC BY 4.0 (cropped)
- Soft Porous Materials That Change Shape: “Structure of zeolitic imidazolate frameworks” François-Xavier Coudert / CC BY 4.0 (cropped)
- How Nanoparticles Assemble Themselves: “Colloidal monolayer long wavelength fluctuations” Peter Keim / CC BY-SA 4.0 (cropped)
- Making Particles in Small Reactors: “Dendrimer and dendron” Olukin at English Wikipedia / CC BY-SA 4.0 (cropped)
- Related lab (Solid State Chemistry Lab): “Copper-hydride-from-xtal-3D-SF” CCoil (talk) / CC BY 3.0 (cropped)
- Related lab (Functional Polymer Synthesis Lab): “Rotaxane Crystal Structure ChemComm page493 2001 commons” M stone at English Wikipedia / CC BY-SA 3.0 (cropped)
- Related lab (Biochemical Engineering Lab): “Cathedral Hill Hydrothermal Vent of Guaymas Basin” Teske A, Wegener G, Chanton JP, White D, MacGregor B, Hoer D, de Beer D, Zhuang G, Saxton MA, Joye SB, Lizarralde D, Soule SA and Ruff SE / CC BY 4.0 (cropped)
- Related lab (Fundamental Glass Science Lab): “Electrostatic Levitation of a Titanium-Zirconium-Nickel Alloy” NASA/MSFC/Emmett Given / Public domain (cropped)
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