Research Results List

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Presentation
We will exhibit at the JFlex Exhibition (Tokyo Big Sight) from February 1st (Wednesday) to February 3rd (Friday), 2023, as the "ROEL Printed Device Technology Research Division.”

Invited Lecture
Professor Tokito will deliver an invited lecture 'Research and Development Progress and Applications for Flexible Printed Organic Sensors' at the 18th Color Inkjet Technology (IT) Course on December 20, 2022 (Tuesday) 13:20-14:10. The program will also be held online.

Presentation
On Friday, June 3rd, there will be a research presentation by Assistant Professor Takeda at the Robotics and Mechatronics Lecture 2022 in Sapporo (online), "Tactile Function of Robot Hand Using Printable Flexible Pressure Sensor Array" (2P2-C12 *).

Presentation
Assistant Professor Wang's research presentation “Fully Printed Flexible Pressure Sensor with a Spontaneously Formed Porous Conductive Architecture” will be presented at The 2022 MRS Spring Meeting & Exhibit (Virtual) on May 24th (Tuesday).

Presentation
On May 24th (Tuesday), Assistant Professor Sekine's research presentation "Object Slippage Detection using Soft Sensor with Robotic Closed-Loop Feedback" will be held at The 2022 MRS Spring Meeting & Exhibit (Virtual).

Invited Lecture
On May 24th (Tuesday), Professor Tokito will give an invited presentation, "Flexible Printed Organic Sensors and Their Applications," at The 2022 MRS Spring Meeting & Exhibit (Virtual).

Articles
Professor Tokito's review article, "Soft Sensing Techniques and Healthcare Applications," was published in the May issue of the Journal of the Japanese Society of Adhesives.

Invited Lecture
Professor Tokito will give an invited presentation on "Flexible Printed Organic Sensors and Their IoT Applications" at IEEE EDTM2022 (Oita Prefecture) on March 8th (Tuesday).

Result
The paper "A Printed Flexible Humidity Sensor with High Sensitivity and Fast Response Using a Cellulose Nanofiber / Carbon Black Composite" by Assistant Professor Wang and second-year graduate student Shogo Tachibana was published in ACS Applied Materials & Interfaces.

Presentation
The ROEL Printed Device Technology Research Division will be exhibiting at the JFlex 2022 event (Tokyo Big Sight) from January 26 (Wed) to January 28 (Fri).

Result
Subhash Singh published a paper titled "Printed Dual-Gate Organic Thin-Film Transistors and PMOS Inverters on Flexible Substrates: Role of Top-Gate Electrode" with ROEL in the Journal of Physics D: Applied Physics.

Invited Lecture
Assistant Professor Wang's paper "Flexible printed temperature sensor with high humidity stability using bilayer passivation" was published in Flexible and Printed Electronics.

Lecture
November 25th (Thursday) to December 25th (Saturday): 60th Functional Paper Research Presentation / Web Lecture / Available at any time during this period  General Presentation by Professor Tokito on "Flexible Printed Electronics  for Healthcare and Medical Applications." 

Result
Associate Professor Nagamine's paper "Stable Immobilization of Mediator in Porous Carbon Material via a Capping Technique for Fabricating a Sensitive Enzyme-based Glucose Sensor" has been published in Sensors & Materials.

Result
Associate Professor Nagamine's paper "Organic-transistor-based biosensors interfaced with human skin for non-invasive perspiration analysis" has been published online in Sensors and Actuators: B. Chemical.

Result
The paper "Layout-to-Bitmap Conversion and Design Rules for Inkjet-Printed Large-Scale Integrated Circuits," joint research between ROEL and POSTECH in Korea, has been published in the journal Langmuir.

Result
A joint research paper "Single and dual-gate organic field-effect utilizing based on diketopyrrolopyrrole-diethienothiophene polymers: performance modulation via dielectric interfaces" was published in Materials Research Express.

Result
Assistant Professor Wang's paper "Deep Eutectic Solvent Induced Porous Conductive Composite for Fully Printed Piezoresistive Pressure Sensors" has been published in Advanced Materials Technologies.

Result
Research paper Project researcher Subhash Singh's paper "Flexible high-performance organic thin-film transistors and epitaxial inverters: Trap controlled grain boundaries and contact resistance effect in different channel length devices" has been published in the journal Synthetic Metals.

Result
Project researcher Subhash Singh's paper "Flexible Low-Voltage Organic Thin Film Transistors and iSeries Inverters: Effect of Channel Width on Noise Margin" was published in the Journal of Physics D: Applied Physics.
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