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Photocatalysis and Water Splitting Lab (Motonori Watanabe)
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The lab develops organic materials and applies them to photocatalysts and organic devices.

AboutAbout the lab
Combining organic and inorganic materials to create new devices.
The Watanabe Lab develops new organic materials and conducts research on functional organic devices.
Its goal is to bring out the properties of organic materials and combine them with inorganic materials to create devices with unprecedented properties.
Toward photocatalytic water splitting, the lab studies the design and synthesis of organic dyes and interactions at the surfaces and interfaces of materials.
People interested in research or study, and those who would like to visit the lab, are invited to get in touch.
Key terms
- Photocatalyst
- A material that drives a chemical reaction when it receives light. In this lab, it is used for the water-splitting reaction.
- Water splitting
- A reaction that splits water into hydrogen and oxygen. It is one way to produce hydrogen.
- Organic semiconductor
- A semiconductor material made of carbon-based molecules. It is used in electronic devices.
ResearchResearch themes
This lab aims to develop functional devices with unprecedented properties by bringing out the properties of organic materials and combining them with inorganic materials. It works on developing organic materials for organic-inorganic hybrid photocatalysts, optoelectronic devices, and organic transistors.
*Illustrative imageOrganic Dyes for Photocatalytic Water Splitting
Toward photocatalytic water splitting, the lab designs and synthesizes new organic dyes and studies interactions at surfaces and interfaces, aiming to improve light absorption, durability, and hydrogen production rate. It also synthesizes organic dyes for solar cells and organic semiconductors.
*Illustrative imageMaterials for Optoelectronic and Organic Devices
The lab brings out the properties of organic materials and combines them with inorganic materials to develop organic materials for optoelectronic devices and organic transistors. Its goal is functional devices with unprecedented properties.
MembersFaculty
- ProfessorMotonori Watanabe
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: “Water splitting with a photocatalyst” Kavin Teenakul / CC BY-SA 4.0 (cropped)
- Organic Dyes for Photocatalytic Water Splitting: “Dye laser alignment intra-cavity beam @ 589nm” Zaereth / CC BY-SA 4.0 (cropped)
- Materials for Optoelectronic and Organic Devices: “TADF spin statistics” Umo73 / CC BY-SA 4.0 (cropped)
- Related lab (Photocatalysis and Water Splitting Lab): “Splitting water ( )” marsupium photography / CC BY-SA 2.0 (cropped)
- Related lab (Ion-Conducting Ceramics Lab): “Breakdown of a ceramic tube” Korzhenkozos / CC BY 4.0 (cropped)
- Related lab (Ion-Conducting Ceramics Lab): “KSC-06pd0005 - Technicians working on fuel cell in OPF” Kim Shiflett / Public domain (cropped)
- Related lab (Proton-Conducting Oxides Lab): “Electrolysis Apparatus” Ivan Akira / CC BY-SA 3.0 (cropped)
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