Faculty Profiles - NAKATO Teruyuki

Papers - NAKATO Teruyuki

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The effects of graphene hybridization on mechanical properties of GFRP composites Reviewed International journal

Malik K., Ahmad F., Yunus N.A., Yusoff P.S.M.M., Guan B., Nosbi N., Ali S., Nakato T., Mouri E.

AIP Conference Proceedings 2401 2021.10

Preparation of cellulose nanocrystal based core-shell particles with tunable component location Reviewed International journal

Zhang J., Furushima H., Nakato T., Mouri E.

Chemistry Letters ( The Chemical Society of Japan ) 50 ( 2 ) 240 - 243 2021.01

Authorship：Corresponding author Language：English Publishing type：Research paper (scientific journal)

We report a versatile method for preparing a particulate composite based on cellulose nanocrystals (CNCs) and polyethylene glycol (PEG) via a self-organized precipitation method. The particulate composite had a core–shell structure, and depending on the molecular weight of the PEG, two types of particulates could form: one with CNCs as the core and the other with CNCs as the shell.

DOI： 10.1246/CL.200702

Scopus

CiNii Article

CiNii Research

Other Link： https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85100721532&origin=inward

A Review of Flax Fiber Reinforced Thermoset Polymer Composites: Thermal-Physical Properties, Improvements and Application Reviewed International journal

Malik K., Ahmad F., Yunus N.A., Gunister E., Nakato T., Mouri E., Ali S.

Journal of Natural Fibers 19 ( 15 ) 10412 - 10430 2021.01

A Review of Flax Fiber Reinforced Thermoset Polymer Composites: Structure and Mechanical Performance Reviewed International journal

Malik K., Ahmad F., Gunister E., Nakato T., Mouri E., Muhammad M.B., Ali S.

Journal of Natural Fibers 19 ( 14 ) 9656 - 9680 2021.01

ZnO decorated on low carbonate NiAl-layered double hydroxide as efficient photocatalyst for methyl orange degradation Reviewed International journal

Intachai S., Nakato T., Khaorapapong N.

Applied Clay Science 201 2020.11

粘土鉱物による機能材料作製 Invited Reviewed

中戸晃之

化学と教育 ( 公益社団法人日本化学会 ) 68 ( 9 ) 364 - 367 2020.09

Authorship：Lead author,　Corresponding author Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (scientific journal)

粘土鉱物が具備する層状の結晶構造と同形置換の2つの特徴は，板状の粒子形態，吸着・イオン交換，分子性質の改変，コロイドの形成という4つの基本的な特性を粘土鉱物に与える。これらの特性を活用して，粘土鉱物から遮水，洗浄，分析，情報記録，さらには人工光合成などに関係する多彩な機能材料が開発されている。

DOI： 10.20665/kakyoshi.68.9_364

CiNii Article

CiNii Research

Other Link： http://id.ndl.go.jp/bib/030674599

Optical Manipulation of a Single Clay Nanosheet Hybridized with a Porphyrin Derivative Reviewed International journal

YUKI HIGASHI, YASUTAKA SUZUKI, TERUYUKI NAKATO, MAKOTO TOMINAGA, JOSEF BREU, TOSHIAKI IWAI, JUN KAWAMATA

OSA Continuum 3 ( 6 ) 1545 - 1554 2020.06

Development of Structural Color by Niobate Nanosheet Colloids Reviewed International journal

Mouri E., Ogami C., Fukumoto T., Nakato T.

Chemistry Letters ( The Chemical Society of Japan ) 49 ( 6 ) 717 - 720 2020.06

Authorship：Corresponding author Language：English Publishing type：Article, review, commentary, editorial, etc. (scientific journal)

Inorganic nanosheets obtained by exfoliation of layered crystals of hexaniobate in water form colloidal liquid crystals. We found that they develop various structural colors by moderating nanosheet concentration and ionic atmosphere.

DOI： 10.1246/cl.200164

Other Link： https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85087054850&origin=inward

Discovery and Development of Inorganic Nanosheet Liquid Crystals Invited Reviewed

Nakato Teruyuki

Journal of the Clay Science Society of Japan (in Japanese) ( The Clay Science Society of Japan ) 59 ( 2 ) 46 - 51 2020.01

Authorship：Lead author,　Corresponding author Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (scientific journal)

Inorganic nanosheets obtained by exfoliation of layered crystals such as smectite-type clays have been actively investigated as building blocks of nanomaterials in the past 25 years. However, their colloidal systems were at the outside of such a research trend. At the beginning of 21st century, liquid crystalline behavior of colloidal nanosheets was recalled into academic studies, and then the materials chemistry of 'nanosheet liquid crystals' has been gradually developed. Many popular nanosheets have been registered at the library of liquid crystals. Nanosheet liquid crystals are rare examples of inorganic soft materials, whose properties are greatly different from their mother crystals due to their softness. A typical property of nanosheet liquid crystals is structural coloration reflecting long periodic lengths between nanosheets. Also, technical inventory of manipulating liquid crystalline nanosheets has been enriched as exemplified by electric alignment and optical manipulation. Hierarchical structures of liquid crystalline nanosheets up to mm-level lengths have been organized with appropriate combination of manipulating techniques.

DOI： 10.11362/jcssjnendokagaku.59.2_46

Kyutacar

CiNii Article

CiNii Research

Other Link： https://ci.nii.ac.jp/naid/130007896095

九州工業大学工学部応用化学科の化学実験教育 Invited Reviewed

NAKATO Teruyuki, TAKENAKA Shigeori, OKAUCHI Tatsuo, YAMAMURA Masato, UEDA Kazushige

CHEMISTRY & EDUCATION ( The Chemical Society of Japan ) 68 ( 3 ) 114 - 117 2020.01

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Zhang J., Morisaka K., Kumamoto T., Mouri E., Nakato T.

Colloids and Surfaces A: Physicochemical and Engineering Aspects 556 106 - 112 2018.11

LASER BEAM INDUCED ORIENTATION CONTROL OF A NANOSHEET LIQUID CRYSTAL BY EMPLOYING AN OBJECTIVE LENS WITH A LOW NUMERICAL APERTURE Reviewed International journal

Nagashita Takashi, Higashi Yuki, Ikeda Akira, Tominaga Makoto, Kumamoto Takuya, Suzuki Yasutaka, Nakato Teruyuki, Kawamata Jun

Clay Science ( The Clay Science Society of Japan ) 22 ( 1 ) 13 - 17 2018.06

Authorship：Corresponding author Language：English Publishing type：Research paper (scientific journal)

Optical manipulation of nanosheet liquid crystals prepared by exfoliation of inorganic layered crystals realizes local and on-demand orientation control of nanosheets. Although a tightly focused laser beam by using an objective lens with a high numerical aperture (NA) is typically employed for the optical manipulation to enhance the gradient force of an irradiated laser beam, the dominant driving force of the optical orientational manipulation of nanosheets has recently been attributed to the scattering force, suggesting that an objective lens with a high NA is not indispensible for the nanosheet manipulation. In this study, we carried out optical orientational manipulation of nanosheets using an objective lens with low NA, 0.4, and compared the results with those obtained by a lens with high NA, 1.2. Orientational manipulation was realized with both of the lenses, and the size of the manipulated domain using a lens with NA=0.4 was smaller than that obtained by using a lens with NA=1.2. The domain size increased with the irradiated laser power, reflecting the dominant contribution of scattering force to the optical manipulation of nanosheet liquid crystals.

DOI： 10.11362/jcssjclayscience.22.1_13

Kyutacar

CiNii Article

CiNii Research

Other Link： https://ci.nii.ac.jp/naid/130007384642

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Tominaga M., Higashi Y., Kumamoto T., Nagashita T., Nakato T., Suzuki Y., Kawamata J.

Clays and Clay Minerals 66 ( 2 ) 138 - 145 145 2018.04

Optical control of orientation of nanosheet in colloidal state Reviewed International journal

Suzuki Y., Tominaga M., Nagashita T., Iwai T., Nakato T., Kawamata J.

Proceedings of SPIE - The International Society for Optical Engineering 10712 2018.01

A LASER BEAM INDUCED OPTICAL MANIPULATION OF A SMECTITE Reviewed

Higashi Yuki, Nagashita Takashi, Nakato Teruyuki, Suzuki Yasutaka, Kawamata Jun

Clay Science ( The Clay Science Society of Japan ) 22 ( 3 ) 79 - 83 2018.01

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

On-demand and local manipulation of exfoliated clay nanosheets in colloidal dispersions enables a variety of novel applications of clay-based materials. In this study, manipulation of a single fluorohectorite nanosheet by utilizing the radiation pressure of a tightly focused laser beam was demonstrated. When a linearly polarized continuous laser beam was irradiated to a fluorohectorite nanosheet, the nanosheet was oriented with its in-plane direction parallel to the propagation direction of the laser beam. Furthermore, the nanosheet edge was directed in parallel to the polarization direction of the laser beam. When the polarization direction of the laser beam was rotated, the nanosheet was rotated following the rotation of the polarization direction.

DOI： 10.11362/jcssjclayscience.22.3_79

Kyutacar

CiNii Article

CiNii Research

Other Link： https://ci.nii.ac.jp/naid/130007529591

Textural diversity of hierarchical macroscopic structures of colloidal liquid crystalline nanosheets organized under electric fields Reviewed International journal

Nakato T., Nono Y., Mouri E.

Colloids and Surfaces A: Physicochemical and Engineering Aspects 522 373 - 381 2017.06

Electric Alignment of Liquid Crystalline Colloidal Nanosheets Prepared by Exfoliation of Layered Oxides

Clay Science ( The Clay Science Society of Japan ) 21 13 - 20 2017.03

ELECTRIC ALIGNMENT OF LIQUID CRYSTALLINE COLLOIDAL NANOSHEETS PREPARED BY EXFOLIATION OF LAYERED OXIDES Invited Reviewed International journal

Nakato Teruyuki

Clay Science ( The Clay Science Society of Japan ) 21 ( 1 ) 13 - 20 2017.01

Authorship：Lead author,　Corresponding author Language：English Publishing type：Article, review, commentary, editorial, etc. (scientific journal)

Colloidal nanosheets are obtained by exfoliation of inorganic layered crystals such as clay minerals in water. They form colloidal liquid crystals at high nanosheet concentrations due to their shape anisotropy. Liquid crystalline nanosheets can be aligned under external fields. For this purpose, electric field is advantageous owing to its facile instrumentation, controllability, quantitative reproducibility, and broad applicability. AC electric field is utilized for aligning liquid crystalline nanosheets because the samples are aqueous colloids of electrically charged particles. The 2D shape of nanosheets facilitates alignment of their longitudinal direction parallel to the electric field in many cases. When a colloid sample is incubated to grow liquid crystalline domains up to the size of sub-mm scale, hierarchical macroscopic structures are evolved under electric fields, where the grown domains play a role of secondary building blocks. The final structure varies depending on the relative direction of applied electric field and gravity. An electric field applied parallel to gravity gives a net-like assembly of the nanosheet domains, whereas orthogonal application of an electric voltage and gravity assembles nanosheets in stripes spanning over more than 1-mm length through unidirectional nanosheet alignment. Such flexible organization of nanosheet-based structures is a unique aspect of exfoliated nanosheets in colloidal liquid crystalline states.

DOI： 10.11362/jcssjclayscience.21.1_13

CiNii Article

CiNii Research

Photoinduced electron transfer between semiconducting nanosheets and acceptor molecules in the presence of colloidal clay particles Reviewed International journal

Nakato T., Shimizu M., Edakubo H., Mouri E.

Applied Clay Science 130 76 - 82 2016.09

Perspective: Recent developments in hybrid hydrogels containing inorganic nanomaterials Reviewed International journal

Malgras V., Kamachi Y., Nakato T., Yamauchi Y., Miyamoto N.

Nanoscience and Nanotechnology Letters 8 ( 4 ) 355 - 359 2016.04

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Papers - NAKATO Teruyuki