Members

D3 Graduate Students (Doctor)

[Tokito-Kumaki-Sekine Laboratory] Rei SHIWAKU

Major: Organic Materials Science

E-mail: tdc57711<at>st.yamagata-u.ac.jp
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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

Results

[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).

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