Choose molecules found in nature
We focus on materials derived from plants and other biological sources.
RESEARCH BY SHUNSUKE YAMADA · KYUTECH
Electricityback to earth gently
Imagine sensors and batteries that return to nature after their job is done.
We study materials for electronics designed to disappear after use.
- No prior knowledge needed
- Made for students
- Explained with visuals
WHY?
THE FIRST QUESTION
Electronics are usefulBut what happens after use?
Tiny sensors and batteries help in medicine, agriculture, and environmental monitoring.But when left in hard-to-reach places, they can become waste.
?
What if a device worked only when needed, then disappeared?
Could electronics be designed for a gentler ending?
THE CORE IDEA
Design molecular bonds
Change relationships in the molecular world,
and the material's visible properties can change too.
Put ions to work
Moving positive and negative particles can carry information and electric charge.
Design molecular bonds
By tuning how strongly molecules attract, we can create liquids, gels, and solids with different properties.
Work first, return to nature later
The goal is a device that works for the required time and then gradually breaks down.
We call this the design of intermolecular interactions.The name sounds complex, but the idea is simple.
THREE RESEARCH THEMES
From materials to sensors and batteries
We connect making, sensing, and powering
to design electronics that leave less behind.
01FOUNDATION
Bio-derivedionic materials
We combine molecules derived from plants and other biological sources to create materials that can carry electric charge.
02SENSING
Soft sensors thatdisappear after use
We develop sensors that detect temperature or touch, work for as long as needed, and then break down.
03ENERGY
Small batteriesthat can decompose
We study energy sources that power sensors while reducing their impact on the environment after use.
RESEARCH MAP
From tiny moleculesto future devices
Our research begins by designing materials,
then turns them into sensors, batteries, and wearable devices.
01 — MATERIALS
Functional ionic materials
We design how molecules interact to create useful properties such as self-healing and controllable polarity.
02 — DEVICES
Soft ionic devices
We turn soft materials into tactile sensors and compact energy-storage devices.
03 — APPLICATIONS
Bioiontronics
These devices may become electronics that fit the body—or disappear after their job is done.
WHERE?
What if disappearing electronicsbecame part of everyday life?
We might gather important information in hard-to-reach places
without leaving lasting waste behind.
MEDICAL
Monitor the body
Medical sensors that may reduce the need for removal after treatment.
ENVIRONMENT
Study forests and oceans
Environmental sensors designed to leave less waste in nature.
ROBOTICS
Move softly
Materials for soft robots that move more like living things.
KEY TERMS
Just three to begin
Tap a term to open a simple explanation.
01IONIon
A tiny particle with an electric charge. Positive and negative ions can move through materials, carrying charge and information.
Think of it as a tiny courier moving through a material.02BIODEGRADABLEBiodegradable
A property that allows a material to break down into smaller substances through microorganisms and natural processes. The conditions and timing matter.
Think of fallen leaves gradually returning to the soil.03IONTRONICSIontronics
Technology that uses the movement of ions as well as electrons. Because living bodies also communicate with ions, iontronics works well with soft devices.
Think of it as a shared language between living systems and electronics.YOUR NEXT STEP
Curious? Keep exploring
This page is only the entrance. The full research website presents publications, current projects, and the latest news in greater detail.
Visit the full research websiteMIDDLE & HIGH SCHOOL STUDENTSConnect the ions you learn in chemistry with electricity
COLLEGE & TECHNICAL COLLEGE STUDENTSExplore the borders between materials, electronics, and biology
FUTURE RESEARCHERSRead the latest papers and explore current research themes