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Wada Lab
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The lab makes nanoparticles with lasers and applies them to energy and medicine.
AboutAbout the lab
Making nanomaterials at the interface of chemistry and physics.
The Wada Lab studies the synthesis and applications of nanomaterials at the interface of chemistry and physics.
Its distinctive method is laser ablation in liquid, in which laser light is focused on a target placed in a liquid.
The resulting nanoparticles are connected to bioimaging, cancer therapy, solar cells, and white light-emitting diodes.
Using optical thin films and light scattering, the lab also works on fabricating white solar cell modules that can be installed on building walls.
Key terms
- Nanoparticle
- A very small particle only about one millionth of a millimeter in size. Even the same substance shows different properties from a large lump
- Laser ablation in liquid
- A method in which laser light is focused on a substance placed in a liquid, blasting it apart to produce fine particles
- Upconversion nanoparticle
- A particle that converts invisible near-infrared light into visible light and emits it
ResearchResearch themes
Focusing on nanomaterials that are expected to offer new functions and applications, the lab conducts research at the interface of chemistry and physics. Aiming at applications in biotechnology, the environment, and energy, it handles everything from nanoparticle synthesis to characterization and application.
*Illustrative imageLaser ablation in liquid
Laser light is focused on a target placed in a liquid to produce a solution in which nanoparticles are dispersed. For inorganic materials, this yields particles with higher crystallinity than common solution methods, and for organic materials, it yields stable suspensions even of poorly soluble substances.
*Illustrative imageNanoparticles for seeing inside the body
The lab makes organic nanoparticles that absorb near-infrared light, and examines their optical properties and images as contrast agents for photoacoustic imaging. Near-infrared light passes easily through living tissue, so it makes it possible to image deep inside the body.
*Illustrative imageCancer therapy with less burden on the body
The lab makes upconversion nanoparticles that emit visible light when irradiated with near-infrared light, administers them together with a photosensitizer to cultured cancer cells, and has confirmed the therapeutic effect.
*Illustrative imageSpherical microparticles and optical devices
When aggregates of nanoparticles are irradiated with pulsed laser light, melted, and solidified, crystalline spherical microparticles form. They are expected to serve as new optical devices such as random lasers, and the lab is pursuing this with a focus on nitrides.
MembersFaculty
The Wada Lab consists of faculty members, doctoral, master's, and undergraduate students, and technical staff.As of 2024
- Associate ProfessorHiroyuki WadaPublications ↗
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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: “BAPV solar-facade” Hanjin / CC BY-SA 3.0 (cropped)
- Laser ablation in liquid: “Selenium NPs” Muderkind / CC BY 4.0 (cropped)
- Nanoparticles for seeing inside the body: “PASchematics v2” en:User:Bme591wikiproject / CC BY-SA 3.0 (cropped)
- Cancer therapy with less burden on the body: “Photodynamic therapy 2” Ed Mkh / CC BY-SA 3.0 (cropped)
- Spherical microparticles and optical devices: “Random laser architectures” Arconsoli / CC BY-SA 4.0 (cropped)
- Related lab (小西研究室): “Fluorescense drip” Maxim Bilovitskiy / CC BY-SA 4.0 (cropped)
- Related lab (大友研究室): “Multicrystalline silicon wafer with thin film iridescence” Radiotrefoil / CC BY-SA 4.0 (cropped)
- Related lab (下山研究室): “Critical carbon dioxide-3” Bernhard Kuemel、Regi51 / CC BY-SA 2.0 at (cropped)
- Related lab (森伸介研究室): “Glow discharge regions” Derived file: Chetvorno Original file: Jannis Andrija Schnitzer / CC BY-SA 2.0 (cropped)
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