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Photocatalysis and Water Splitting Lab
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The lab combines organic and inorganic materials to create photocatalysts and devices.

AboutAbout the lab
Putting the properties of organic materials to work in devices
The Watanabe Lab, led by Professor Motonori Watanabe, develops new organic materials and studies functional organic devices.
By drawing out the properties of organic materials and combining them with inorganic materials, the lab aims to develop devices with unprecedented properties.
For example, it works on developing organic materials for hybrid organic–inorganic photocatalysts, optoelectronic devices, and organic transistors.
The lab's website invites anyone interested in its research or in studying there, or anyone who would like to visit, to get in touch.
Key terms
- Photocatalyst
- A substance that drives chemical reactions when it receives light. In this lab, it is used for reactions such as producing hydrogen from water.
- Water splitting
- A reaction that splits water into hydrogen and oxygen. The lab studies producing hydrogen by water splitting with photocatalysts.
- Organic semiconductor
- A semiconductor material made of carbon-containing molecules. It is used in devices such as transistors.
ResearchResearch themes
The lab aims to draw out the properties of organic materials and combine them with inorganic materials to develop functional devices with unprecedented properties. It works on developing organic materials for photocatalysts, optoelectronic devices, and organic transistors.
*Illustrative imageOrganic–Inorganic Hybrid Photocatalysts
For hydrogen production by water splitting, the lab develops new organic dyes that improve light absorption, durability, and the rate of hydrogen evolution. The target is photocatalysts that combine organic and inorganic materials.
*Illustrative imagePhotocatalytic Reduction of Carbon Dioxide
Using organic–inorganic hybrid photocatalysts, the lab works on reactions that reduce carbon dioxide.
*Illustrative imageOrganic Semiconductors and Transistors
The lab develops new organic semiconductor materials and studies their application to functional organic devices such as organic transistors.
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: “Splitting water ( )” marsupium photography / CC BY-SA 2.0 (cropped)
- Organic–Inorganic Hybrid Photocatalysts: “Flamability of sugar test for recognizing organic and inorganic property” A01709167 / CC BY-SA 4.0 (cropped)
- Photocatalytic Reduction of Carbon Dioxide: “Photocatalysis LERF Timisoara RO 1” Mihai-Cosmin Pascariu / CC BY-SA 4.0 (cropped)
- Organic Semiconductors and Transistors: “2N1307 transistor die with bond wires attached” Mister rf / CC BY-SA 4.0 (cropped)
- Related lab (Photocatalysis and Water Splitting Lab (Motonori Watanabe)): “Water splitting with a photocatalyst” Kavin Teenakul / CC BY-SA 4.0 (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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