Members

D.Eng. Alumni

Rei SHIWAKU
Tokito-Kumaki-Sekine Lab.

Major: Organic Materials Science

Education & Professional Experience

Tokito-Kumaki-Sekine Laboratory
March 2016, M.S. in Department of Electrical Engineering, Graduate School of Science and Engineering, Yamagata University

Research Interests

・Printed Electronics
・Organic Electronics
・Synthesis of Organic Electronic Materials

Results

[19]"X"
X
X, X(X), X, (2019), under review.
[18]"Low Operating Voltage and Highly Pressure-Sensitive Printed Sensor for Healthcare Monitoring with Analogic Amplifier Circuit"
Tomohito Sekine, Alexandre Gaitis, Jun Sato, Kohei Miyazawa, Kosuke Muraki, Rei Shiwaku, Yasunori Takeda, Hiroyuki Matsui, Daisuke Kumaki, Fabrice Domingues Dos Santos, Atsushi Miyabo, Micaël Charbonneau and Shizuo Tokito
ACS Applied Electronic Materials, 10.1021/acsaelm.8b00088, (2019).
[17]"An L-lactate Biosensor Based on Printed Organic Inverter Circuitry and with a Tunable Detection Limit"
Kuniaki Nagamine, Taisei Mano, Rei Shiwaku, Hiroyuki Furusawa, Hiroyuki Matsui, Daisuke Kumaki and Shizuo Tokito
Sensors and Materials, X(X), XXXX (2018).(Accepted)
[16]"Three-Dimensional Monolithic Integration in Flexible Printed Organic Transistors"
Jimin Kwon, Yasunori Takeda, Rei Shiwaku, Shizuo Tokito, Kilwon Cho, and Sungjune Jung
Nature Communications, 10, 54 (2019).
[15]"Printed Organic Transistor-Based Enzyme Sensor for Continuous Glucose Monitoring in Wearable Healthcare Applications"
Taisei Mano, Kuniaki Nagamine, Yusuke Ichimura, Rei Shiwaku, Hiroyuki Furusawa, Hiroyuki Matsui, Daisuke Kumaki and Shizuo Tokito
ChemElectroChem, 5, 1-7 (2018).
[14]"Detection of 1,5-anhydroglucitol as a Biomarker for Diabetes Using an Organic Field-Effect Transistor-Based Biosensor"
Hiroyuki Furusawa, Yusuke Ichimura, Kuniaki Nagamine, Rei Shiwaku, Hiroyuki Matsui and Shizuo Tokito
Technologies, 6(3), 77 (2018).
[13]"Charge Carrier Distribution in Low-Voltage Dual-Gate Organic Thin-Film Transistors"
Rei Shiwaku, Masataka Tamura, Hiroyuki Matsui, Yasunori Takeda, Tomohide Murase and Shizuo Tokito
Applied Sciences, 8(8), 1341 (2018).
[12]"Printed Organic Complementary Inverter with Single SAM Process Using A P-Type D-A Polymer Semiconductor"
Yasunori Takeda, Tomohito Sekine, Rei Shiwaku, Tomohide Murase, Hiroyuki Matsui, Daisuke Kumaki and Shizuo Tokito
Applied Sciences, 8(8), 1331 (2018).
[11]"Printed 5-V Organic Operational Amplifiers for Various Signal Processing"
Hiroyuki Matsui, Kazuma Hayasaka, Yasunori Takeda, Rei Shiwaku, Jimin Kwon and Shizuo Tokito
Scientific Reports, 8, 8980 (2018).
[10]"A Printed Organic Circuit System for Wearable Amperometric Electrochemical Sensors"
Rei Shiwaku, Hiroyuki Matsui, Kuniaki Nagamine, Mayu Uematsu, Taisei Mano, Yuki Maruyama, Ayako Nomura, Kazuhiko Tsuchiya, Kazuma Hayasaka, Yasunori Takeda, Takashi Fukuda, Daisuke Kumaki and Shizuo Tokito
Scientific Reports, 8, 6368 (2018).
[9]"A Printed Organic Amplification System for Wearable Potentiometric Electrochemical Sensors"
Rei Shiwaku, Hiroyuki Matsui, Kuniaki Nagamine, Mayu Uematsu, Taisei Mano, Yuki Maruyama, Ayako Nomura, Kazuhiko Tsuchiya, Kazuma Hayasaka, Yasunori Takeda, Takashi Fukuda, Daisuke Kumaki and Shizuo Tokito
Scientific Reports, 8, 3922 (2018).
[8]"Organic Complementary Inverter Circuits Fabricated with Reverse Offset Printing"
Yasunori Takeda, Yudai Yoshimura, Rei Shiwaku, Kazuma Hayasaka, Tomohito Sekine, Tomoko Okamoto, Hiroyuki Matsui, Daisuke Kumaki, Yoshinori Katayama, Shizuo Tokito
Advanced Electronic Materials, DOI: 10.1002/aelm.201700313.
[7]"Compactly Designed Organic Complementary D-Type Flip-Flop Circuits Fabricated with Inkjet Printing"
Kazuma Hayasaka, Hiroyuki Matsui, Yasunori Takeda, Rei Shiwaku, Yasuhiro Tanaka, Takeo Shiba, Daisuke Kumaki and Shizuo Tokito
Advanced Electronic Materials, DOI: 10.1002/aelm.201700208.
[6]"Printed Organic Inverter Circuits with Ultralow Operating Voltages"
Rei Shiwaku, Hiroyuki Matsui, Kazuma Hayasaka, Yasunori Takeda, Takashi Fukuda, Daisuke Kumaki and Shizuo Tokito
Advanced Electronic Materials, 3, 1600557 (2017).
[5]"Printed 2 V-Operating Organic Inverter Arrays Employing A Small-Molecule/Polymer Blend"
Rei Shiwaku, Yasunori Takeda, Takashi Fukuda, Kenjiro Fukuda, Hiroyuki Matsui, Daisuke Kumaki and Shizuo Tokito
Scientific Reports, 6, 34723 (2016).
[4]"Free-Standing Organic Transistors and Circuits with Sub-Micron Thickness"
Kenjiro Fukuda, Tomohito Sekine, Rei Shiwaku, Takuya Morimoto, Daisuke Kumaki and Shizuo Tokito
Scientific Reports, 6, 27450 (2016).
[3]"Fabrication of Ultra-Thin Printed Organic TFT CMOS Logic Circuits Optimized for Low-Voltage Wearable Sensor Applications"
Yasunori Takeda, Kazuma Hayasaka, Rei Shiwaku, Koji Yokosawa, Takeo Shiba, Masashi Mamada, Daisuke Kumaki, Kenjiro Fukuda and Shizuo Tokito
Scientific Reports, 6, 25714 (2016).
[2]"Control of Threshold Voltage in Organic Thin-Film Transistors by Modifying Gate Electrode Surface with MoOX Aqueous Solution and Inverter Circuit Applications"
Rei Shiwaku, Yudai Yoshimura, Yasunori Takeda, Kenjiro Fukuda, Daisuke Kumaki and Shizuo Tokito
Applied Physics Letters, 106, 053301 (2015).
[1]"Fully-Printed High-Performance Organic Thin-Film Transistors and Circuitry on One-Micron-Thick Polymer Films"
Kenjiro Fukuda, Yasunori Takeda, Yudai Yoshimura, Rei Shiwaku, Lam Truc Tran, Tomohito Sekine, Makoto Mizukami, Daisuke Kumaki and Shizuo Tokito
Nature Communications, 5, 4147 (2014).
[5] 2018年度 日本画像学会 研究奨励賞
2019年7月, 千葉大学 西千葉キャンパス

[4] 第44回(2018年春季)応用物理学会 講演奨励賞
2018年9月, 名古屋国際会議場

[3] First International Conference on 4DMS Best Poster Presentation Award
2018年8月, 山形大学工学部

[2] 電子情報通信学会 電子デバイス研究会 論文発表奨励賞
2016年7月, 山形大学工学部

[1] 山形大学大学院 理工学研究科 電気電子工学専攻 優秀学生表彰
2016年3月, 米沢市営体育館

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