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Nakamura Lab
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The lab uses electrochemistry and light to control the color and luminescence of materials.
AboutAbout the lab
Applying electricity to control color and light.
Nakamura Lab studies materials whose color and luminescence change with electricity or light, as well as devices made from them.
It aims to advance the image display elements and information recording elements that will support the next-generation information society.
To this end, the lab develops nanoscale assemblies and materials with new optical and electrical properties.
It also collaborates with companies and research institutes, aiming to develop practical devices.
Key terms
- Electrochromism
- A phenomenon in which the color and optical properties of a substance change through oxidation and reduction. It is expected to be applied to smart windows and similar uses
- Electrochemiluminescence
- A phenomenon in which light is emitted from the excited state of a luminescent material generated electrochemically
- Excited state
- A state in which a substance has received energy and holds more energy than usual. It may emit light when it returns to its original state
NewsLab news
A student won the Excellent Poster Award and the Editor-in-Chief Award at the 136th Research Meeting of the Imaging Society of Japan
A student won the Excellent Poster Award at the 46th Young Scientists' Meeting on Photochemistry
Research on silver-deposition electrochromic devices has been published in Physical Chemistry Chemical Physics
ResearchResearch themes
The lab discusses the direction in which optoelectronic functional devices, such as the image display elements and information recording elements that will support the next-generation information society, are heading. To make that possible, it develops highly functional nanoscale assemblies and entirely new materials with novel optical and electrical properties.
*Illustrative imageFunctionalizing Biopolymers (DNA)
DNA has a well-defined double-helix structure and can bind in diverse ways, so it can incorporate a variety of functional molecules into its structure. By combining functional molecules with DNA, the lab aims to extend this to optoelectronic functional materials, the luminescence of rare-earth complexes, and organic thin-film transistor memory.
*Illustrative imageElectrochromism
Changing the electronic state of a substance through redox reactions makes it possible to control its color and optical properties. This phenomenon, called electrochromism, is expected to be applied to electronic paper, anti-glare devices, and energy-saving smart windows.
*Illustrative imageElectrochemiluminescence
This is a phenomenon in which light is emitted from the excited state of a luminescent material generated electrochemically. Because a device can be made with a simple structure of just an electrolyte solution sandwiched between electrodes, it is expected to lead to lightweight, flexible devices.
*Illustrative imagePhotofunctional Materials
The lab combines luminescent materials with materials that change color in response to external stimuli such as electricity, heat, light, and vapor. By combining chromic materials with luminescent materials, it aims to vary coloration and emission properties in diverse ways.
MembersFaculty
The members of Nakamura Lab are faculty, doctoral, master's, and undergraduate students, and secretaries.As of 2026
- ProfessorKazuki Nakamura
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: “E-ink display” Nikita Mikheev / CC BY 4.0 (cropped)
- Functionalizing Biopolymers (DNA): “20251019 Replica DNA double helix model Berlin 03” Flocci Nivis / CC BY 4.0 (cropped)
- Electrochromism: “Electrochromic devices in bleach state, The MSU Baroda, India” Keyur.tithal / CC BY-SA 3.0 (cropped)
- Electrochemiluminescence: “Luminol” everyone's idle from berlin, germany / CC BY-SA 2.5 (cropped)
- Photofunctional Materials: “Fluorescent minerals hg” Hannes Grobe/AWI / CC BY-SA 2.5 (cropped)
- Related lab (宮川研究室): “PhotochromicLens” User:Vista Lowcost / CC BY-SA 3.0 (cropped)
- Related lab ((共生7)環境調和有機合成研究室): “Iodine-evaporating” Jurii / CC BY 3.0 (cropped)
- Related lab ((共生8)高分子化学研究室
（旧 エネルギー変換材料化学研究室） ): “Nylon” Superplus at German Wikipedia / CC BY-SA 3.0 (cropped) - Related lab ((共生16)分子構造解析化学研究室): “Artistic Crystallization, Bottom View” Paolo Infante / CC BY-SA 4.0 (cropped)
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