• Organic semiconductor material technology

    Toward the development of high quality OFET devices, organic synthesis is very important as well as device fabrication. In our laboratory, we can synthesize not only organic semiconductors but fabricate organic devices, which is a big advantage in this field.
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  • Metal nanoparticle ink technology

    Metal nanoparticle ink is key technology to achieve high performance all printed semiconductor devices. Our metal nanoparticle ink has a many advantage, such as low temperature sintering, high dispersion stability and cost compatibility.
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  • High performance organic TFT technology

    Interface control at "organic semiconductor/ electrode" and "organic semiconductor/ gate dielectric" is very important to achieve high performance. Printing method and formulation for organic semiconductor ink are studied.
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  • Integration technology for organic TFT circuit

    Our research is devoted to produce fully-solution processed integrated circuits on flexible substrates. Fully-printed organic integrated circuits fabricated on ultra-thin film substrates enable large-area electronics that are very thin, light-weight, and flexible.
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  • Organic FET sensor technology

    OFETs can be applied to wearable and disposable sensors because of their mechanical flexibility and low manufacturing costs. For these reasons, we believe that the OFET sensors are one of the promising candidates for use in healthcare devices.
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  • Flexible display technology

    Organic TFT is expected for applying in backplane circuit of flexible display device. Low temperature and printing fabrication process for flexible display device is developed.
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  • 3D Printed electronics

    Three-dimensional (3D) printing techniques for electronic circuits on curved surfaces can provide for an innovative printing technology with low-cost, space-savings and increased product design freedom of manufacturability.
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Events
In July13th, Mr. Norio KODAIRA(Mitsubishi Electric) give an invited talk at ROEL

News
In July 15th, Professor Tokito give an invited talk at Yonezawa Kougyou-kai Yamagata-shibu. Kouen-kai(Yamagata Grand hotel)

News
In Sep 19th to 22nd, Professor Tokito give an invited talk at SSDM2017(Sendai)

News
In Sep 26th to 27th, Professor Tokito give a keynote talk at Swiss ePrint -The Swiss Conference on Printed Electronics and Functional Materials(Basel, Switzerland)

Others
Chemical Communications selected Ms.SASAKI's (M2) “A molecular self-assembled colourimetric chemosensor array for simultaneous detection of metal ions in water” as an Inside Front Cover

Member
Mr. Tomohide MURASE join to Tokito group as a visiting researcher.

Press
In June 1st, Electronic Device Industry New released "Semiconductor of the year awards"

Award
Tokito group and Ube Industries, LTD awarded "Semiconductor of the year 2017". Congratelations!!

News
In Aug 4th, "The 374th The Society of Rubber Science and Technology, japan will" held at Yonezawa campus in Yamagata University

News
In September, 26 to 27, Professor Tokito will have a Keynote talk at Swiss ePrint -The Swiss Conference on Printed Electronics and Functional Materials(Basel, Switzerland)

Award
Tokito group and UBE industries Ltd awarded "semiconductor of the year 2017" at Sangyo times new paper.

Award
Assistant Professor. Sekine awarded "Best Presenter award" at The 33th Meeting on Ferroelectric Materials and Their Applications(FMA34). Congratulations!!

Award
Ms. SASAKI(M1) adopted 【Young Poster Award】at ”The 77th JSAC conference”

News
In Aug, 4th Professor Tokito give an invited talk at "The 347th Rubber Science and Technology Forum" in Yamagata University, Yonezawa campus

News
In Sep, 26 to 27, Professor Tokito give a Keynote speak at Swiss ePrint -The Swiss Conference on Printed Electronics and Functional Materials(Basel, Switzerland)

More NEWS


Result
ChemistryOpen released Ms. SASAKi's(M2) co-authored paper “Label-Free Direct Electrical Detection of a Histidine-Rich Protein with Sub-Femtomolar Sensitivity using an Organic Field-Effect Transistor”

Invited Lecture
In May 26, Professor Tokito give an invited talk at "The 109th The Research Association for Organic Devices (TRAD)" in SHIZUOKA university

Result
Chemistry Open accepted Ms. Yui SASAKi(M1)'s Co-authored papers of “Label-Free Direct Electrical Detection of a Histidine-Rich Protein with Sub-Femtomolar Sensitivity using an Organic Field-Effect Transistor”

Result
Chemical communications accepted Ms. Yui SASAKI(M2)'s paper “A molecular self-assembled colourimetric chemosensor array for simultaneous detection of metal ions in water”

Lecture
In May, 19 Professor Tokito give a talk at "NIKKEI BP GIJYUTSUSHA JUKU" in Shinbashi, Tokyo

Articles
Professor SHIBA's interpretive article published to BIOINDUSTRY 2017, May Number.

Articles
Professor Shiba's arricle published in May issue of "Bioindustry 2017"

Result
Research Collaboration Associate Professor IZUMI's article “Novel Soft Blanket Gravure Printing Technology with an Improved Ink Transfer Process” accepted to Flexible and Printed Electronics

Result
"Flexible and Printed Electronics" accepted Research Collaboration Associate Professor IZUMI 's paper “Novel Soft Blanket Gravure Printing Technology with an Improved Ink Transfer Process”

Presentation
On April 20th to 21st, Mr. Matsumura(M1) and Mr. Tsuburaoka(M1) presented to Technical Committee on Electron Devices (ED) at Tohoku University

Result
Mr. SHIOKAWA's article “Development of a silver nanoparticle ink toward fine line patterning using gravure offset printing” released to Japanese Journal of Applied Physics

Result
Mr. Shiwaku(D1) published “Printed Organic Inverter Circuits with Ultralow Operating Voltages” to Advanced Electronic Materials

Result
Research Collaboration Associate Professor Izumi's paper “Effects of silver nanowire concentration on resistivity and flexibility in hybrid conducting films” published to Japanese Journal of Applied Physics

Lecture
On March 7th, Technical Staff Sekine give a talk at 100th Seminar hall

Result
Research Assistant Yoshida's paper “Highly conductive metal interconnects on three-dimensional objects fabricated with omnidirectional ink jet printing technology” published at Japanese Journal of Applied Physics

More RESEARCH RESULTS

  • Movie
【Tokito, Office】
4-3-16 Jonan, Yonezawa, Yamagata
992-8510, JAPAN
YAMAGATA UNIVERSITY
Organic Electronics Research Center
(Bldg. 10)
Phone:+81-238-26-3725
Fax:+81-238-26-3788

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