Faculty Profiles - NAGAMATSU Shuichi

Papers - NAGAMATSU Shuichi

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Ordered arrangement of F4TCNQ anions in three-dimensionally oriented P3HT thin films Reviewed International journal

Shuichi Nagamatsu, Shyam S. Pandey

Scientific Reports ( Springer Nature ) 10 ( 1 ) 20020 2020.11

Long-Term Air-Stable n-Channel Organic Thin-Film Transistors Using 2, 5-Difluoro-1, 4-phenylene-bis {2-[4-(trifluoromethyl) phenyl] acrylonitrile} Reviewed International journal

6 ( 6 ) 3847 - 3852 2014.03

A Steady Operation of n-Type Organic Thin-Film Transistors with Cyano-Substituted Distyrylbenzene Derivative Reviewed International journal

Nagamatsu Shuichi, Moriguchi Tetsuji, Nagase Toshiya, OKU Shinya, KURAMOTO Kouji, TAKASHIMA Wataru, OKAUCHI Tatsuo, MIZOGUCHI Katsuhiro, HAYASE Shuji, KANETO Keiichi

Applied physics express 2 ( 10 ) "101502 - 1"-"101502-3" 2009.10

Crystal Structure of Friction-Transferred Poly(2,5-dioctyloxy-1,4-phenylenevinylene) Reviewed International journal

Shuichi Nagamatsu,Masahiro Misaki,Masayuki Chikamatsu,Tatsumi Kimura,Yuji Yoshida,Reiko Azumi,Nobutaka Tanigaki,Kiyoshi Yase

The Journal of Physical Chemistry B 111 ( 17 ) 4349 - 4354 2007.05

Polymer field-effect transistors by a drawing method Reviewed International journal

Shuichi Nagamatsu,Wataru Takashima,Keiichi Kaneto,Yuji Yoshida,Nobutaka Tanigaki,Kiyoshi Yase

Applied Physics Letters 84 ( 23 ) 4608 - 4610 2004.06

Backbones Arrangement in "Friction-Transferred" Regioregular Poly(3-alkylthiophene)s Reviewed International journal

Shuichi Nagamatsu,Wataru Takashima,Keiichi Kaneto,Yuji Yoshida,Nobutaka Tanigaki,Kiyoshi Yase,Kazuhiko Omote

Macromolecules 36 ( 14 ) 5252 - 5257 2003.07

Polarized polymer light-emitting electrochemical cells using polyfluorene and polycaprolactone blend film by floating-film transfer method Reviewed International journal

Nagao T., Yasukawa M., Pandey S.S., Misaki M., Nagamatsu S.

Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers 63 ( 11 ) 2024.11

The Influence of a Microstructural Conformation of Oriented Floating Films of Semiconducting Polymers on Organic Device Performance Reviewed International journal

Sharma S., Gaurav K.V., Nagamatsu S., Pandey S.S.

Polymers 16 ( 5 ) 2024.03

High-Density, Nonvolatile, Flexible Multilevel Organic Memristor Using Multilayered Polymer Semiconductors Reviewed International journal

Sharma S., Pandey M., Nagamatsu S., Tanaka H., Takashima K., Nakamura M., Pandey S.S.

ACS Applied Materials and Interfaces 2024.01

Facile Fabrication and Characterization of Oriented and Multilayer Thin Films of Solution Processable Conjugated Polymer Reviewed International journal

Shubham Sharma, Shuichi Nagamatsu, Vipul Singh, Shyam S. Pandey

Physica Status Solidi (A) Applications and Materials Science 2023.08

High field-effect mobility in oriented thin films of D-A type semiconducting polymers by engineering stable interfacial system Reviewed International journal

Shubham Sharma, Ajendra K. Vats, Linjun Tang, Feng Kaishan, Jumpei Toyoda, Shuichi Nagamatsu, Yoshito Ando, Masaaki Tamagawa, Hirofumi Tanaka, Manish Pandey, Shyam S. Pandey

Chemical Engineering Journal ( Elslevier ) 469 143932 2023.08

Vertical Distribution of Molecular Orientation and Its Implication on Charge Transport in Floating Films of Conjugated Polymers Reviewed International journal

Rai H., Vivek Gaurav K., Pradhan S., Desu M., Sharma S., Nagamatsu S., Pandey S.S.

Physica Status Solidi (A) Applications and Materials Science 2023.06

Bistable Resistive Memory Switches fabricated by Floating Thin Films of Conjugated Polymers Reviewed International journal

Sharma S., Kumari N., Nagamatsu S., Nakamura M., Pandey S.S.

Materials Today Electronics 4 2023.06

Controlling the molecular orientation of a novel diketopyrrolopyrrole-based organic conjugated polymer for enhancing the performance of organic field-effect transistors Reviewed International journal

Desu M., Sharma S., Cheng K.H., Wang Y.H., Nagamatsu S., Chen J.C., Pandey S.S.

Organic Electronics 113 2023.02

Fabrication and Characterization of Oriented P3HT/CdS Hybrid Thin Films Prepared by Friction Transfer for Organic Photovoltaics Reviewed

Kurokawa Y., Pradhan S., Kato T., Nagamatsu S., Pandey S.S.

30th International Workshop on Active-Matrix Flatpanel Displays and Devices: TFT Technologies and FPD Materials, AM-FPD 2023 - Proceedings 169 - 172 2023.01

Interplay of viscosities in controlling the orientation of conjugated polymer thin films fabricated by floating film transfer method Reviewed International journal

Sharma S., Vats A.K., Nagamatsu S., Pandey S.S.

Proceedings of AM-FPD 2022 - 29th International Workshop on Active-Matrix Flatpanel Displays and Devices: TFT Technologies and FPD Materials 116 - 119 2022.07

Fabrication and Characterization of Oriented Thin Films of DPP-based Conjugated Copolymer Prepared by Friction Transfer Method Reviewed International journal

Yuki Kurokawa, Ajendra K. Vats, Shuichi Nagamatsu, Shyam S. Pandey

Proceedings of AM-FPD 2022 29th International Workshop on Active-Matrix Flatpanel Displays and Devices (AM-FPD) 2022.07

Report on Reiwa 3rd Annual Seminar of Kyushu Chapter of the Japan Society of Vacuum and Surface Science

NAGAMATSU Shuichi

Vacuum and Surface Science ( The Japan Society of Vacuum and Surface Science ) 65 ( 6 ) 288 - 288 2022.06

Unraveling the Implications of Macromolecular Orientation on the Planar and Vertical Charge Transport in Organic Electronic Devices Reviewed International journal

Sharma S., Vats A.K., Pandey M., Nagamatsu S., Chen J.C., Pandey S.S.

ACS Applied Polymer Materials 4 ( 11 ) 8315 - 8323 2022.01

Fast-Coating Process Based on Elongated Rodlike Preaggregate for Highly Oriented Thin Film of Donor-Acceptor π-Conjugated Polymer Reviewed International journal

Minowa Y., Yabuuchi Y., Nagano S., Nagamatsu S., Fujii A., Ozaki M.

ACS Applied Materials and Interfaces 2022.01

Dynamics of Preaggregation and Film Formation of Donor-Acceptor π-Conjugated Polymers Reviewed International journal

Yabuuchi Y., Minowa Y., Nagamatsu S., Fujii A., Ozaki M.

ACS Materials Letters 4 ( 2 ) 205 - 211 2021.12

Oriented thin films of insoluble polythiophene prepared by the friction transfer technique Reviewed International journal

Tanigaki N., Takechi C., Nagamatsu S., Mizokuro T., Yoshida Y.

Polymers 13 ( 15 ) 2393 2021.07

Investigation of Orientation in the Thin Films of Conjugated Polymer and NIR Dye Blends Fabricated by Friction Transfer Method Reviewed International journal

Yuki Kurokawa, Shuichi Nagamatsu, Shyam S. Pandey

2021 28th International Workshop on Active-Matrix Flatpanel Displays and Devices (AM-FPD) 2021.06

Solvent-Assisted Friction Transfer Method for Fabricating Large-Area Thin Films of Semiconducting Polymers with Edge-On Oriented Extended Backbones Reviewed International journal

Kumari N., Pandey M., Syafutra H., Nagamatsu S., Nakamura M., Pandey S.S.

ACS Applied Materials and Interfaces 12 ( 49 ) 55033 - 55043 2020.12

Orientation of Semiconducting Polymers via Swift Printing and Drawing Techniques for High Performance Organic Electronic Devices Reviewed International journal

Kumari N., Sharma S., Nagamatsu S., Pandey S.S.

Proceedings of AM-FPD 2020 - 27th International Workshop on Active-Matrix Flatpanel Displays and Devices: TFT Technologies and FPD Materials 67 - 70 2020.09

Molecular orientation and anisotropic charge transport in the large area thin films of regioregular Poly(3-alkylthiophenes) fabricated by ribbon-shaped FTM Reviewed International journal

Tripathi A.S.M., Gupta R.K., Sharma S., Nagamatsu S., Pandey S.S.

Organic Electronics 81 2020.03

Investigation and Control of Charge Transport Anisotropy in Highly Oriented Friction-Transferred Polythiophene Thin Films Reviewed International journal

Kumari N., Pandey M., Nagamatsu S., Nakamura M., Pandey S.S.

ACS Applied Materials and Interfaces 12 ( 10 ) 11876 - 11883 2020.02

2D positional mapping of casting condition driven microstructural distribution in organic thin films Reviewed International journal

Nikita Kumari, Manish Pandey, Shuichi Nagamatsu, Shyam S. Pandey

Japanese Journal of Applied Physics 2019.11

P3HT Nanofibrils Thin-Film Transistors by Adsorbing Deposition in Suspension Reviewed International journal

Nagamatsu S., Ishida M., Miyajima S., Pandey S.

materials 12 ( 21 ) 3643 2019.11

Role of device architecture and AlO<inf>X</inf> interlayer in organic Schottky diodes and their interpretation by analytical modeling Reviewed International journal

Kumari N., Pandey M., Hamada K., Hirotani D., Nagamatsu S., Hayase S., Pandey S.

Journal of Applied Physics 126 ( 12 ) 2019.09

Implication of Molecular Weight on Optical and Charge Transport Anisotropy in PQT-C12 Films Fabricated by Dynamic FTM Reviewed International journal

Tripathi A.S.M., Sadakata S., Gupta R.K., Nagamatsu S., Ando Y., Pandey S.S.

ACS Applied Materials and Interfaces 11 ( 31 ) 28088 - 28095 2019.08

2D positional profiling of orientation and thickness uniformity in the semiconducting polymers thin films Reviewed International journal

Kumari N., Tripathi A., Sadakata S., Pandey M., Nagamatsu S., Hayase S., Pandey S.

Organic Electronics 68 221 - 229 2019.05

Recent advances in the orientation of conjugated polymers for organic field-effect transistors Reviewed International journal

Pandey M., Kumari N., Nagamatsu S., Pandey S.S.

Journal of Materials Chemistry C 7 ( 43 ) 13323 - 13351 2019.01

Facile fabrication of large area oriented conjugated polymer films by ribbon-shaped FTM and its implication on anisotropic charge transport Reviewed

Tripathi A., Kumari N., Nagamatsu S., Hayase S., Pandey S.

Organic Electronics 65 1 - 7 2018.10

Implications of doping and depletion on the switching characteristics in polymer-based organic field-effect transistors Reviewed International journal

Tiwari S., Pandey M., Takashima W., Nagamatsu S., Balasubramanian S.K., Hayase S., Pandey S.S., Prakash R.

Organic Electronics 56 152 - 158 2018.05

Rapid Formation and Macroscopic Self-Assembly of Liquid-Crystalline, High-Mobility, Semiconducting Thienothiophene Reviewed International journal

Pandey M., Gowda A., Nagamatsu S., Kumar S., Takashima W., Hayase S., Pandey S.S.

Advanced Materials Interfaces 5 ( 6 ) 2018.03

Anisotropic charge transport in highly oriented films of semiconducting polymer prepared by ribbon-shaped floating film Reviewed

112 ( 12 ) 123301 2018.03

Anisotropic charge transport in highly oriented films of semiconducting polymer prepared by ribbon-shaped floating film Reviewed

112 ( 12 ) 2018.03

Casting Control of Floating-films into Ribbon-shape Structure by modified Dynamic FTM Reviewed International journal

Tripathi A., Pandey M., Nagamatsu S., Pandey S., Hayase S., Takashima W.

Journal of Physics: Conference Series 924 ( 1 ) 2017.12

Interplay of Orientation and Blending: Synergistic Enhancement of Field Effect Mobility in Thiophene-Based Conjugated Polymers Reviewed International journal

Pandey M., Nagamatsu S., Takashima W., Pandey S., Hayase S.

Journal of Physical Chemistry C 121 ( 21 ) 11184 - 11193 2017.05

Layer-by-layer coating of oriented conjugated polymer films towards anisotropic electronics Reviewed International journal

Pandey M., Sadakata S., Nagamatsu S., Pandey S., Hayase S., Takashima W.

Synthetic Metals 227 29 - 36 2017.05

Solvent driven performance in thin floating-films of PBTTT for organic field effect transistor: Role of macroscopic orientation Reviewed International journal

Pandey M., Pandey S., Nagamatsu S., Hayase S., Takashima W.

Organic Electronics 43 240 - 246 2017.04

Controlling factors for orientation of conjugated polymer films in dynamic floating-film transfer method Reviewed International journal

Pandey M., Pandey S., Nagamatsu S., Hayase S., Takashima W.

Journal of Nanoscience and Nanotechnology 17 ( 3 ) 1915 - 1922 2017.03

Synthesis, characterization and air stable semiconductor properties of thiophene-condensed pyrene derivatives Reviewed International journal

Moriguchi T., Higashi M., Yakeya D., Jalli V., Tsuge A., Okauchi T., Nagamatsu S., Takashima W.

Journal of Molecular Structure 1127 413 - 418 2017.01

Report on Public Lecture in Kyushu Branch, 2016 “Changing Properties by Surface”

NAGAMATSU Shuichi

Hyomen Kagaku ( The Surface Science Society of Japan ) 38 ( 7 ) 367 - 367 2017.01

Influence of backbone structure on orientation of conjugated polymers in the dynamic casting of thin floating-films Reviewed International journal

Pandey M., Pandey S., Nagamatsu S., Hayase S., Takashima W.

Thin Solid Films 619 125 - 130 2016.11

Enhancement of carrier mobility along with anisotropic transport in non-regiocontrolled poly (3-hexylthiophene) films processed by floating film transfer method Reviewed International journal

Pandey M., Nagamatsu S., Pandey S., Hayase S., Takashima W.

Organic Electronics 38 115 - 120 2016.11

jointly worked Reviewed

Journal of Molecular Structure 2016.08

Orientation Characteristics of Non-regiocontrolled Poly (3-hexyl-thiophene) Film by FTM on Various Liquid Substrates Reviewed

704 ( 1 ) 2016.04

A comparative study of spin coated and floating film transfer method coated poly (3-hexylthiophene)/poly (3-hexylthiophene)-nanofibers based field effect transistors Reviewed

116 ( 9 ) 094306 2014.09

Molecular Structure and Crystal Packing of n-Type Semiconducting Material 3',3'-(1, 4-Phenylene) bis {2'-(4"-trifluoromethyl) phenyl} acrylonitrile Reviewed International journal

2014 2014.08

P3HT-fiber-based field-effect transistor: Effects of nanostructure and annealing temperature Reviewed International journal

53 ( 2 ) 021601 2014.02

Fabrication of Large-scale Drop-cast Films of π-conjugated Polymers with Floating-film Transfer Method Reviewed International journal

38 ( 2 ) 305 - 308 2013.12

Macroscopic self ordering of solution processible poly (3,3'-dialkylquaterthiophene) by floating film transfer method Reviewed International journal

114 ( 5 ) 054309 2013.08

Electrophoretic deposition onto an insulator for thin film preparation toward electronic device fabrication Reviewed International journal

101 ( 19 ) 193305 2012.11

One-Step Deposition of Self-Oriented β-Phase Polyfluorene Thin Films for Polarized Polymer Light-Emitting Diodes Reviewed International journal

5 ( 9 ) 092101 2012.09

Optical and Transport Anisotropy in Poly(9,9'-dioctyl-fluorene-alt-bithiophene) Films Prepared by Floating Film Transfer Method Reviewed International journal

51 ( 5 ) 055802 6頁 2012.04

Bis(alkyl-thiophene) thienothiophene as hole-transport organic semiconductor Reviewed International journal

14 182 - 186 2011.07

ポリチオフェン、オリゴチオフェンの配向制御とデバイス応用 Reviewed

谷垣宣孝, 武智恭世, 溝黒登志子, HECK Claire, 永松秀一, 吉田郵司

Molecular electronics and bioelectronics 22 ( 2 ) 119 - 122 2011.05

Hole transport characteristics and air-stability in bis(alkylthiophene)-thienothiophene derivatives Reviewed

ISHIKAWA Shuhei, NAGAMATSU Shuichi, TAKASHIMA Wataru, KANETO Keiichi

IEICE technical report 111 ( 4 ) 47 - 50 2011.04

Anisotropic characteristics in soluble organic semiconductors by using Floating Film Transfer Method : forming highly oriented film Reviewed

HONMA Ryoji, NAGAMATSU Shuichi, KANETO Keiichi, TAKASHIMA Wataru

IEICE technical report 111 ( 4 ) 51 - 54 2011.04

Syntheses and Characterizations of Thienylenevinylene Derivatives Reviewed

TAHARA Kanako, DAUENDORFFER Amaud, NAGAMATSU Shuichi, TAKASHIMA Wataru, KANETO Keiichi

IEICE technical report 111 ( 4 ) 55 - 58 2011.04

Robust Hole Transport in a Thienothiophene Derivative toward Low-cost Electronics Reviewed International journal

39 ( 12 ) 1315 - 1316 2010.11

Ambipolar characteristics of solution processed bilayer field effect transistors based on poly(3-hexylthiophene) and fullerene derivatives Reviewed

1115 53 - 58 2010.05

Ambipolar Transport in Bilayer Organic Field-Effect Transistor Based on Poly(3-hexylthiophene) and Fullerene Derivatives Reviewed International journal

Takeomi Morita,Shign Vipul,Shinya Oku,Shuichi Nagamatsu,Wataru Takashima,Shuzi Hayase,Keiichi Kaneto

JAPANESE JOURNAL OF APPLIED PHYSICS 49 ( 4 ) 041601.1 - 041601.5 2010.04

Solution-processable Oligothiophene Derivatives with Branched Alkyl Chains and Their Thin-film Transistor Characteristics Reviewed International journal

Lu Ming,Shuichi Nagamatsu,Yuji Yoshida,Masayuki Chikamatsu,Reiko Azumi,Kiyoshi Yase

Chemistry Letters 39 60 - 61 2010.01

Comparative Study on Gate Insulators of Polymers and SiO2 in Transport Properties of p- and n-Type Organic Field-Effect Transistors Reviewed International journal

Shinya Oku,Toshiya Nagase,Shuichi Nagamatsu,Wataru Takashima,Keiichi KAneto

JAPANESE JOURNAL OF APPLIED PHYSICS 49 ( 1 ) 01AB14.1 - 01AB14.4 2010.01

Molecular orientation of poly(3-butylthiophene) friction-transferred films Reviewed International journal

Nobutaka Tanigaki,Shuichi Nagamatsu,Wataru Takashima,Yuji Yoshida

Thin Solid Films 518 ( 2 ) 853 - 856 2009.11

Enhancement of Transport Characteristics in Poly(3-hexylthiophene) Films Deposited with Floating Film Transfer Method Reviewed International journal

Morita Takeomi, Singh Vipul, Nagamatsu Shuichi, OKU Shinya, TAKASHIMA Wataru, KANETO Keiichi

Applied physics express 2 ( 11 ) "111502 - 1"-"111502-3" 2009.11

Multi-Layered Oriented Polyfluorene Films Reviewed International journal

Shuichi Nagamatsu,Masahiro Misaki,Yuji Yoshida,Reiko Azumi,Nobutaka Tanigaki,Kiyoshi Yase

The Journal of Physical Chemistry B 113 ( 17 ) 5746 - 5751 2009.04

Solution preparation effect on n-type field-effect-transistor characteristics using PCBM Reviewed

HAMACHI Kousuke, MORITA Takeomi, NAGAMATSU Shuichi, TAKASHIMA Wataru, KUWASHIMA Shuichiro, KANETO Keiichi

IEICE technical report ( The Institute of Electronics, Information and Communication Engineers ) 109 ( 20 ) 1 - 4 2009.04

Language：English Publishing type：Research paper (scientific journal)

We investigated the preparation dependence on the electronic characteristics of n-type organic field-effect transistors (OFETs) consisted of [6.6]-Phenyl C_<61>-Butyric acid Methyl ester (PCBM) as active layer. Although field-effect mobility, threshold voltage and on-current were almost stationary, the off-current was strongly changed with the agitation time of the solution. A cluster distribution model has been proposed to explain the results.

CiNii Article

Other Link： https://ci.nii.ac.jp/naid/110007227494

Synthesis of highly strained phenes consisting of polynuclear aromatic compounds and their properties Reviewed

Tasaki Matsuri, Moriguchi Tetsuji, Tsuge Akihiko, Nagamatsu Syuuichi, Takashima Wataru

Abstracts of Symposium on Physical Organic Chemistry ( The Society of Physical Organic Chemistry, Japan ) 2009 ( 0 ) 312 - 312 2009.01

Language：English Publishing type：Research paper (scientific journal)

Recently, organic transistors controlling organic EL displays and electronic papers have been developed. Organic semiconductors which are the component of organic transistors have advantages such as lightness, flexibility, possibly applying being applied to a large area reasonably. However, they have disadvantages such as low solubility and a low electric conductivity. In this study t-butyl group was introduced into the polynuclear aromatic compounds in order to dissolve in various solvents. Improvement of an electric conductivity by the stacking the compounds employing expansion of the p conjugated system is also the another purpose of this study. At first, synthesis of novel polynuclear aromatic compounds was carried out. Their structure analyzed by 1H-NMR spectra and X-rays structure analysis. The expansion of the p conjugated system in compounds who confirmed by the UV spectrum measurement. In addition, Field effect transistor by compounds was composed and its electric conductivity was measured.

DOI： 10.11494/kisoyuki.2009.0.312.0

CiNii Article

Other Link： https://ci.nii.ac.jp/naid/130004728938

Polarized white emission from polymer LEDs of aligned binary blend Reviewed International journal

Hijikata Y., Misaki M., Nagamatsu S., Chikamatsu M., Yoshida Y., Azumi R., Tanigaki N., Yamashita M., Yase K.

IDW '08 - Proceedings of the 15th International Display Workshops 2 1063 - 1064 2008.12

Language：English Publishing type：Research paper (international conference proceedings)

We demonstrate polymer light-emitting diodes with polarized white emission for liquid crystal display backlights application. Polarized white emission was realized by spin-coating a mixed solution of blue emissive polymer and orange emissive polymer onto an alignment layer. Our devices turned on at 3.5 V and reached a brightness of 1830 cd/m2 at 10.0 V with an efficiency of 0.4 cd/A. The integrated polarization ratio was estimated to be 2.4 with the CIE coordinates of (0.33, 0.34).

<NAGAMATSU Shuichi>

Papers - NAGAMATSU Shuichi