• 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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News
In August 29th to 30th, Research Collaboration Associate Professor. IZUMI and Research Assistant. YOSHIDA give a talk at "MES2017"(Chuo University, Nagoya Campus)

Events
In August 29th, Mr.Shigeyuki IWASA(NEC) will give a talk at "The137th Organic Electronics Research Center Meeting"

News
In Augast 29th to 30th, Research Collaboration Associate Professor IZUMI and a Research Assistant YOSHIDA give an oral talk at "MES2017"(Chukyo University, Nagoya Campus)

News
In October 6th, Associate Professor Matsui give a Keynote talk at "Organic Electronics Seminar2017" (Ochanomizu, Tokyo)

Member
Mr. Takayuki TAKAOKA join to Tokito group as a project researcher

News
In September 19th to 22nd, Professor Tokito give an invited talk at "SSDM2017"(Sendai International Center)

News
In September 7th to 9th, Ms. SASAKI(M2) present a poster at "The 11th Bio joint symposium" in University of Tokyo, Yayoi campus

News
In October 6th, Associate Professor Matsui give a talk at "Organic Electronics Seminar 2017" in Ochanomizu, Tokyo

Pick Up News
In October 13th, "The 4th Flexible Organic Electronics research seminar" held in Tokyo

Pick Up News
"The 4th Research Group on Flexible Organic Electronics" held in 13th of Oct.

Others
Ms.SASAKI(M2)'s paper "Label-Free Direct Electrical Detection of a Histidine-Rich Protein with Sub-Femtomolar Sensitivity using an Organic Field-Effect Transistor" selected to Front Cover of Chemistry Open

Member
Mr.Masaki MITSUHASHI joined to Tokito group as a Visiting researcher

News
In September 7th to 9th, Ms. SASAKI(M2) present a poster at "The 11th, CSJ joint symposium" (Tokyo University, Yayoi campus)

News
In September 19th to 22nd, Professor Tokito give an invited talk at SSDM2017

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

More NEWS


Invited Lecture
Prof. Tokito give an invited talk「Flexible and Printed Organic TFT Devices and IoT Sensor Applications」at "Carbon-based Nnaodevices and Flexible Electronics"(Beijing China)

Lecture
In July, 15th Prof. Tokito give an invited talk at "Yonezawa Kougyou-kai" (Yamagata Grand Hotel) in Yamagata

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

More RESEARCH RESULTS

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【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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