ITOH EIJI
Academic Assembly School of Science and Technology Institute of Engineering
Faculty of Engineering Electrical and Computer Engineering
Professor
Researcher Information
Field Of Study
- Biomedical engineering, Soft-materials and Sensor Application
- Nanomaterials, Hybrid photodiodes and light emitting diodes
- Micro Generator
- Organic functional materials, Organic Light Emitting DIode
- Organic functional materials, Organic Solar Cells
- Thin film/surface and interfacial physical properties, Thin Film Sensors
- Thin film/surface and interfacial physical properties, Nano-electronic materials and devices
Career
- 2015
Faculty of Engineering, Shinshu University, Professor - 2007
Faculty of Engineering, Shinshu University, Associate Professor - 2004
Faculty of Engineering, Shinshu University, Associate Professor - 2003 - 2004
University of Wales and University of Exeter, UK Visiting Researcher - 1998
Faculty of Engineering, Shinshu University Research Assistant
Educational Background
Research activity information
Paper
- Fabrication of all printed inverted perovskite solar cells with transfer printed electron transporting layers
Eiji Itoh, Takao Ueda and Tatsuya Koike
Japanese Journal of Applied Physics, 63, 02SP12, 2024, Refereed
Lead
- Multilayered inverted polymer-based light emitting diodes fabricated by meniscus coating and transfer-printing technique
Taisei Kamada, Masato Kato and Eiji Itoh
Japanese Journal of Applied Physics, 63, 02SP24, 2024, Refereed
Corresponding - Multilayered Inverted Polymer Light Emitting Diodes Fabricated by Transfer-Printing and Push- Coating Techniques
Eiji ITOH Taisuke SEKINO Masato KATO
IEICE TRANSACTIONS on Electronics, E106-C, 240-243, 2023, Refereed
Lead - Fabrication of inverted inorganic-organic quantum-dot light-emitting diodes with solutionprocessed n-type oxide electron injection layers and QD-polymer blend light-emitting layers
Eiji Itoh, Sosei Yamane, Katsutoshi Fukuda
Japanese Journal of Applied Physics, 61, SE1018-1-SE1018-6, 2022
Lead - Improvement of device performance of Ph-BTBT-10 field-effect transistors fabricated on a HfO2/alicyclic polyimide double-layered gate insulator
Bojun Chen, Fumiya Aikawa, Eiji Itoh
Japanese Journal of Applied Physics, 61, SB1008-1-SB1008-6, 2022 - Inverted polymer LEDs with solution-processed nano-hybrid electron buffer layers
Eiji Itoh, Reo Taguchi, and Katsutoshi Fukuda
Japanese Journal of Applied Physics, 59, SDDC08, 2020 - Improvement of field-effect transistor performance with highly oriented, vertically phase separated TIPS-pentacene/polystylene blends on high-k metal oxide films by using meniscus coating
FumiyaAikawa, Junpei Ueno, Toshiaki Kashiwagi, and Eiji Itoh
Japanese Journal of Applied Physics, 59, SCCA10, 2020 - Estimation of carrier mobility and charge behaviors of organic semiconductor films in metal–insulator– semiconductor diodes consisting of highk oxide/organic semiconductor double layers
Naoya Chosei and Eiji Itoh
Japanese Journal of Applied Physics, 57, 02CA05, 2018 - Inverted bulk-heterojunction organic solar cells with the transfer-printed anodes and low-temperature- processed ultrathin buffer layers.
Eiji Itoh, Shota Sakai, Katsutoshi Fukuda
Japanese Journal of Applied Physics, 57, 03EJ07, 2018 - Comparative study of all-printed polyimide humidity sensors with single- and multiwalled carbon nanotube gas-permeable top electrodes
Eiji Itoh and Zihan Yuan
Japanese Journal of Applied Physics, 56, 05EC03, 2017 - Fabrication of organic FETs based on printing techniques and the improvement of FET properties by the insertion of solution-processable buffer layers
Eiji Itoh and Akira Kanamori
Japanese Journal of Applied Physics, 55, 04EL06, 2016 - Influence of polymeric electron injection layers on the electrical properties of solution-processed multilayered polymer light-emitting diodes
Eiji Itoh and Kazuhiko Kurami
Japanese Journal of Applied Physics, 55, 02BB15, 2016 - Fabrication of fast, highly sensitive all-printed capacitive humidity sensors with carbon nanotube/polyimide hybrid electrodes
Eiji Itoh and Akinori Takada
Japanese Journal of Applied Physics, 55, 02BB10, 2016 - Interfacial Energy Alignment at the ITO/Ultra-Thin Electron Selective Dielectric Layer Interface and Its Effect on the Efficiency of Bulk-Heterojunction Organic Solar Cells
Eiji Itoh, Yoshinori Goto, Yusuke Saka and Katsutoshi Fukuda
Journal of Nanoscience and Nanotechnology, 16, 3248-3353, 2016 - Contactless analysis of electric dipoles at high-k/SiO2 interfaces by surface- charge- switched electron spectroscopy
S. Toyoda, K. Fukuda, E. Itoh, H. Sugaya, M. Morita, A. Nakata, Y. Uchimoto, E. Matsubara
APPLIED PHYSICS LETTERS, 108, 211604, 2016 - Fabrication of polymer-based transistors with source-drain electrodes made of carbon nanotubes and silver nanoparticles by soft lithography techniques
Ryo Kanai and Eiji Itoh
Thin Solid Films, 554, 127, 2014 - Electrical properties of bulk-heterojunction organic solar cells with ultrathin titania nanosheet blocking layer
Eiji Itoh, Yasutake Maruyama, and Katsutoshi Fukuda
Japanese Journal of Applied Physics, 53, 01AB07, 2014 - Bulk-heterojunction organic solar cells sandwiched by solution processed molybdenum oxide and titania nanosheet layers
Eiji Itoh, Yoshinori Goto, and Katsutoshi Fukuda
JapaneseJournal of Applied Physics, 53, 02BE08, 2014 - Impedance analysis of the multilayered organic solar cells with and without hole buffer layer
Eiji Itoh and Satoru Nakagoshi
Japanese Journal of Applied Physics, 53, 04ER15, 2014 - Discotic liquid crystals of transition metal complexes 50: Spiranthes-like Supramolecular Structure of Phthalocyanine-fullerene Dyads
Aya. Ishikawa, Kenta Ono, Kazuchika Ohta, Mikio Yasutake, Musubu Ichikawa and Eiji Itoh
JOURNAL OF PORPHYRINS AND PHTHALOCYANINES, 18, 366-379, 2014 - Photovoltaic Properties of Bulk-Heterojunction Organic Solar Cell with Ultrathin Titanium Oxide Nanosheet as Electron Selective Layer
Eiji Itoh, Yasutake Maruyama, and Katsutoshi Fukuda
Japanese Journal of Applied Physics, 52, 04CK05, 2013 - Fabrication of Polymer-Based Transistors with Carbon Nanotube Source Drain Electrodes Using Softlithography Techniques
Eiji Itoh and Ryo Kanai
Japanese Journal of Applied Physics, 52, 05DB13, 2013 - Discotic Liquid Crystals of Transition Metal Complexes 49: Establishment of helical structure of fullerene moieties in columnar mesophase of phthalocyanine-fullerene dyads
Lisa Tauchi, Takahiro Nakagaki, Masahiro Shimizu, Eiji Itoh, Mikio Yasutake and Kazuchika Ohta
JOURNAL OF PORPHYRINS AND PHTHALOCYANINES, 17, 1080, 2013 - Liquid Crystals of Transition Metal Complexes 48:Synthesis of novel phthalocyanine-fullerene dyads and effect of a methoxy group on their clearing points
Masahiro Shimizu, Lisa Tauchi, Takahiro Nakagaki, Aya Ishikawa, Eiji Itoh, Kazuchika Ohta
JOURNAL OF PORPHYRINS AND PHTHALOCYANINES, 17, 264, 2013 - Relationship between Work Function of Hole Collection Electrode and Temperature Dependence of Open-Circuit Voltage in Multilayered Organic Solar Cells
Eiji Itoh and Toshiki Shirotori
Japanese Journal of Applied Physics, 51, 02BK14, 2012 - Fabrication of Inverted Bulk-Heterojunction Organic Solar Cell with Ultrathin Titanium Oxide Nanosheet as an Electron-Extracting Buffer Layer
Eiji Itoh and Yasutake Maruyama, and Katsutoshi Fukuda
Japanese Journal of Applied Physics, 51, 02BK13, 2012 - Discotic Liquid Crystals of Transition Metal Complexes 44: synthesis of hexaphenoxy-substituted phthalocyanine derivatives showing spontaneous perfect homeotropic alignment
Masaaki Ariyoshi, Makiko Sugibayashi-Kajita, Ayumi Suzuki-Ichihara, Takayuki Kato, Tenpei Kamei, Eiji Itoh, Kazuchika Ohta
JOURNAL OF PORPHYRINS AND PHTHALOCYANINES, 16, 1114-1123, 2012 - Discotic Liquid Crystals of Transition Metal Complexes 45: parity effect of the number of d-electrons on stacking distances in the columnar mesophases of octakis-(m-alkoxyphenoxy)phthalocyaninato metal(II) complexes
Hiroyuki Sato, Kensaku Igarashi, Yoshitaka Yama, Masahiro Ichihara, Eiji Itoh, Kazuchika Ohta
JOURNAL OF PORPHYRINS AND PHTHALOCYANINES, 16, 1148-1158, 2012 - Discotic Liquid Crystals of Transition Metal Complexes 46: mesomorphism and antagonist solubility of octaphenoxy-phthalocyaninato copper(II) complex substituted by oligoether chains
Hiroyuki Sato, Yuya Sakagami, Eiji Itoh, Kazuchika Ohta
JOURNAL OF PORPHYRINS AND PHTHALOCYANINES, 16, 1209-1216, 2012 - Discotic liquid crystals of transition metal complexes 47: synthesis of phthalocyanine-fullerene dyads showing spontaneous homeotropic alignment
Tenpei Kamei, Takayuki Kato, Eiji Itoh, Kazuchika Ohta
JOURNAL OF PORPHYRINS AND PHTHALOCYANINES, 16, 1261-1275, 2012 - Discotic Liquid Crystals of Transition Metal Complexes 48: Synthesis of novel phthalocyanine-fullerene dyads and effect of a methoxy group on their clearing points
Masahiro Shimizu, Lisa Tauchi, Takahiro Nakagaki, Aya Ishikawa, Eiji Itoh, Kazuchika Ohta
JOURNAL OF PORPHYRINS AND PHTHALOCYANINES, 17, 264-282, 2012 - Flying-seed-like liquid crystals 2: unprecedented guidelines to obtain liquid crystalline compounds
Yasufumi Takagi, Kazuchika Ohta, Shota Shimosugi, Tatsuya Fujii and Eiji Itoh
Journal of Material Chemistry, 22, 14418-14425, 2012 - Current-Voltage Characteristics of Porphyrin/C60 Multi-Layered Organic Photovoltaic Device with and without Hole Collection Oxide Films
Eiji Itoh, Yuji Higuchi, Daisuke Furuhata
IEICE Trans.Electron., E94-C(2), 181-184, 2011 - Enhancement of the Open-Circuit Voltage and Hole Conduction of Tetraphenyl Porphyrin/C60 Multilayered Photovoltaic Device by the Insertion of Oxide Hole Collection Layers
Eiji Itoh, Yuji Highchi, Daisuke Furuhata, Toshiki Shirotori
Japanese Journal of Applied Physics, 50, 01BC14, 2011 - Patterning of Polyimide/ Single-Walled Carbon Nanotube Composite and Its Electrical Properties
Eiji Itoh, Shunsuke Tamura, Katsuya Ishiyama, Tomoya Kurata, and Keiichi Miyairi
Japanese Journal of Applied Physics, 49, 01AH01, 2010 - Evaluation of poly (3-hexylthiophene)/ polymeric insulator interface by charge modulation spectroscopy technique
Eiji Itoh, Kosuke Terashima, Hiroshi Nagai, Keiichi Miyairi
Thin Solid Films, 518, 810-813, 2009 - Internal photoemission spectroscopy measurement of Alq3/ cathode interface by three layered electron only device
Eiji Itoh, Shinya Takaishi, and Keiichi Miyairi
Thin Solid Films, 518, 791-794, 2009 - Effect of Surface Treatment on the Efficiency of Bulk Hetero-Junction Solar Cells Prepared on Low-Temperature Processed Titanium Dioxide Fim
Eiji Itoh; Yuta Takamizawa; Keiichi Miyairi
MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 504, 104-113, 2009 - Field Emission from Conducting Polymer/ Single-Walled Carbon Nanotube Composite Prepared by AC Coupled Electrophoresis
Eiji Itoh, Yoshiyuki Kato, Yuhei Sano, Keiichi Miyairi
Japanese Journal of Applied Physics, 47, 2016-2020, 2008 - Field induced electro-optical characterization in poly-3-hexylthiophene MIS capacitor
Eiji Itoh, Hiroshi Nagai and Keiichi Miyairi
Thin Solid Films, 516, 2568-2572, 2008 - Surface potential measurement of organic photo-diode consisting of fullerene/copper phthalocyanine double layered device
Eiji Itoh, Hirokazu Nakamichi and Keiichi Miyairi
Thin Solid Films, 516, 2562-2567, 2008 - Electrical Properties of Heat-Treated C60 Field Effect Transistor Prepared on Polyimide Gate Insulator
Eiji Itoh, Yusuke Higashimoto, and Keiichi Miyairi
Japanese Jounal of Applied Physics, 47, 480-483, 2008 - Fabrication of Double Layered Hybrid Solar Cells Consisting of Low-Temperature Anatase Titanium Oxide and Conducting Polymer
Eiji Itoh, Yuta Takamizawa, and Keiichi Miyairi
Japanese Jounal of Applied Physics, 47, 509-512, 2008 - Improvement of Electrical Property in Latterally Aligned CNT/Polyaniline Composite Thin Film by Rubbing Technique
Hiroyuki Nakamatsu, Eiji Itoh, Keiichi Miyairi
MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 472, 485-493, 2007 - Improvement of Sensitivity and Response Speed of Capacitive Type Humidity Sensor Using Partially Fluorinated Polyimide Thin Film
Yuta Kanamori, Eiji Itoh, Keiichi Miyairi
MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 472, 327-335, 2007 - Excimer-laser micropatterned photobleaching as a means of isolating polymer electronic devices
Eiji Itoh, Ignatio Torres, Cris Hayden, D. Martin Taylor
SYNTHETIC METALS, 156, 129-134, 2006 - Interfacial charge phenomena at the semiconductor/gate insulator interface in organic field effect transistors
Eiji Itoh, Keiichi Miyairi
Thin Solid Films, 499(1-2), 95-103, 2006
- Photovoltaic properties of phthalocyanine based p-n diode evaporated onto titanium dioxide
Yuji Ohmori, Eiji Itoh, Keiichi Miyairi
Thin Solid Films, 499(1-2), 369-373, 2006 - Field emission from carbon-nanotube-dispersed conducting polymer thin film and its application to photovoltaic devices
Eiji Itoh, Issei Suzuki and Keiichi Miyairi
Japanese Journal of Applied Physics, 44(1B), 636-640, 2005 - The influence of interfacial charge exchange phenomena at the insulator-semiconductor interface on the electrical properties of poly(3-hexylthiophene) based field effect transistors
Eiji. Itoh, Ignatio Torres, D. Martin Taylor
Japanese Journal of Applied Physics, 44(1B), 641-647, 2005 - Interface states and depletion-induced threshold voltage instability in organic metal-insulator-semiconductor structures
Ignatio Torres, D. Martin Taylor, and Eiji Itoh
APPLIED PHYSICS LETTERS, 85(2), 314-316, 2004 - Photovoltaic properties of organic p-n junction devices consisting of phthalocyanine and n-type porphyrin deposited on an n-type TiO2 layer
Eiji Itoh, Yuji Ohmori and Keiichi Miyairi
Japanese Journal of Applied Physics, 43(2), 817-821, 2004 - Injection control and thermally stimulated current in ionic polarized polymer based light emitting diode
Eiji Itoh, Takanori Yamashita and Keiichi Miyairi
Thin Solid Films, 438, 142-146, 2003 - Photovoltaic properties of double layer devices consisting of titanium dioxide and porphyrin dispersed hole transporting material layer
Keiichi Miyairi, Eiji Itoh and Yuichi Hashimoto
Thin Solid Films, 438, 147-152, 2003 - TiO2とポルフィリン分散膜の積層膜の光電変換特性と支持電解質塩添加効果
伊東栄次、宮入圭一、橋本雄一
電子情報通信学会論文誌, J85-C, 1090-1096, 2002 - Effective ionic charge polarization using typical supporting electrolyte and charge injection phenomena in molecularly doped polymer light-emitting diodes
Eiji Itoh, Takanori Yamashita and Keiichi Miyairi
JOURNAL OF APPLIED PHYSICS, 92(10), 5971-5976, 2002 - 分子分散ポリビニルカルバゾールEL素子に及ぼすイオン分極効果
伊東栄次、山下孝教、宮入圭一
電気学会論文誌, 121-A, 660-665, 2001 - Electrostatic phenomena in polyimide Langmuir-Blodgett films: Space charge distribution and electronic density of states at the film/ metal interface
Mitsumasa Iwamoto and Eiji Itoh
Polyimides and other high temperature polymers, 1, 251-264, 2001 - Effect of ionic charge polarization on the efficiency of heat-treated molecularly doped poly (N-vinylcarbazole) light emitting diode
Eiji Itoh, Takanori Yamashita and Keiichi Miyairi
Thin Solid Films, 393(1-2), 368-373, 2001 - Effect of lithium perchlorate doping and prebiasing on electrical conduction of molecularly doped poly (N-vinylcarbazole) light emitting diode
Eiji Itoh, Takanori Yamashita and Keiichi Miyairi
Japanese Journal of Applied Physics, 40(2A), 862-866, 2001 - Ultraviolet photoelectron spectroscopy and surface potential of π-conjugated Langmuir-Blodgett films on gold metal electrode
Eiji Itoh, Mitsumasa Iwamoto, Marko Burghard and Sigmar Roth
Japanese Journal of Applied Physics, 39, 5146-5150, 2000 - サイリスタを用いた放電回路の不規則点弧におけるコンデンサ性能の影響
宮入圭一、伊東栄次、森光紀匡、石川真、萩原勝夫
電気学会論文誌, 120-A, 775-760, 2000 - 金属/フタロシアニン系LB超薄膜界面の界面電子性準位と電気特性
伊東栄次、岩本光正
電気学会論文誌, 119-A, 665-670, 1999 - Interfacial electronic phenomena and capacitance-voltage characteristics of phthalocyanine Langmuir-Blodgett films
Itoh, E; Iwamoto, M
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 38(10), 5945-5948, 1999 - Interfacial electrostatic phenomena and capacitance-voltage characteristics of ultrathin polyimide Langmuir-Blodgett films
Itoh, E; Iwamoto, M
JOURNAL OF APPLIED PHYSICS, 85(10), 7239-7243, 1999 - Surface potential of phthalocyanine Langmuir-Blodgett films on metal electrodes
Eiji Itoh, Haruo Kokubo, Shigeto Shouriki and Mitsumasa Iwamoto
JOURNAL OF APPLIED PHYSICS, 83, 372-376, 1998 - Electrostatic Phenomena in π-conjugated Langmuir-Blodgett films on Metal Electrodes; Japanese Journal of Applied Physics
Eiji Itoh, Haruo Kokubo, Mitusmasa Iwamoto, Marko Burghard, Siegmar Roth and Michael Hanack
Japanese Journal of Applied Physics, 37, 577-583, 1998 - Nano-electrostatic phenomena n Langmuir-Blodgett films
Mitsumasa Iwamoto and Eiji Itoh
Thin Solid Films, 331, 15-24, 1998 - 金属/ポリイミドLB超薄膜界面の界面帯電現象と電気特性
伊東栄次、岩本光正
電気学会論文誌, 118-A, 1412-1417, 1998 - Charge exchange phenomena and the electronic density of state at metal/Langmuir-Blodgett film interface
Eiji Itoh and Mitsumasa Iwamoto
MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 294, 189-192, 1997 - Electronic density of state in metal/polyimide Langmuir-Blodgett film interface and its temperature dependence
Eiji Itoh and Mitsumasa Iwamoto
JOURNAL OF APPLIED PHYSICS, 81, 1790-1797, 1997 - Electrostatic phenomena at film/film interface in polyimide Langmuir-Blodgett films
Eiji Itoh and Mitsumasa Iwamoto
Journal of Electrostatics, 36, 313-321, 1996 - Electronic density of state at metal/polyimide Langmuir-Blodgett film interface
Eiji Itoh and Mitsumasa Iwamoto
APPLIED PHYSICS LETTERS, 68, 2714-2716, 1996 - 金属-ポリイミドLB膜界面の帯電とその温度･光特性
伊東栄次、丹羽雄二、岩本光正
電気学会論文誌, 116-A, 36-41, 1996 - Temperature dependence of electrostatic phenomena at the electrode-polyimide LB film interface before and after photoirradiation
Eiji Itoh, Yuji Niwa and Mitsumasa Iwamoto
Thin Solid Films, 284-285, 545-548, 1996 - Calculation of the surface potential across Langmuir-Blodgett films with polar molecules
Mitsumasa Iwamoto and Eiji Itoh
Japanese Journal of Applied Physics, 35, 3483-3487, 1996 - ポリイミドLB超薄膜界面の帯電特性
伊東栄次、岩本光正
静電気学会誌, 18, 533-537, 1994 - Surface Potential of heat-treated polyimide Langmuir-Blodgett Films
Mitsumasa Iwamoto, Atsushi Fukuda and Eiji Itoh
Thin Solid Films, 243, 476-479, 1994 - Spatial distribution of charges in ultrathin polyimide Langmuir-Blodgett Films
Mitsumasa Iwamoto, Atsushi Fukuda and Eiji Itoh
JOURNAL OF APPLIED PHYSICS, 75, 1607-1610, 1994 - Electrostatic phenomena in polyimide Langmuir-Blodgett films
Eiji Itoh, Atsushi Fukuda and Mitsumasa Iwamoto
Journal of Electrostatics, 33, 147-158, 1994 - Surface potential of polyimide Langmuir-Blodgett films induced by photoirradiation
Mitsumasa Iwamoto and Eiji Itoh
Japanese Journal of Applied Physics, 33, L1616-L1619, 1994 - ポリイミドLB超薄膜界面の帯電現象
福田篤志、伊東栄次、岩本光正
電気学会論文誌, 113-A, 777-783, 1993 - ポリイミドLB超薄膜の帯電現象
伊東栄次, 福田篤志, 岩本光正
静電気学会誌, 17, 352-358, 1993
Courses
- 半導体工学II
Shinshu University - 誘電体・磁性体工学
Shinshu University - Fundamental course on Electromagnetics I
Shinshu University - Fundamental course on Optoelectronics
Shinshu University - Advanced course for Optoelectronics
Shinshu University - Experiment for Electrical and Electronic Engineering III
Shinshu University - Fundamental cource on Electrical and Electronic Materials II
Shinshu University - Introduction to Electronics
Shinshu University - Fundamental course on Electromagnetics I
Shinshu University
