研究者詳細 - 毛利　恵美子

論文 - 毛利　恵美子

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Liquid-Crystalline Photonic Sandwich: Electroresponsive Colloids of Clay Nanosheets Loading Photofunctional Dyes 査読有り国際誌

Teruyuki Nakato, Tsuyoshi Watanabe,Takumi Harada, Mahito Shintaku, Emiko Mouri, Seiji Tani, Yasutaka Suzuki, Hirokatsu Miyata, Josef Breu, Jun Kawamata

Langmuir ( American Chemical Society ) 2024年08月

Time evolution of the inner structure of antimony phosphate nanosheet suspension developing structural colouration 査読有り国際誌

Emiko Mouri, Takashi Fukumoto,Riki Kato,Nobuyoshi Miyamoto, Teruyuki Nakato

Soft Matter ( Royal Society of Chemistry ) 20 6353 - 6360 2024年07月

Swelling and delamination of inorganic homoionic montmorillonite clay in water–polar organic mixed solvents 査読有り国際誌

Teruyuki Nakato, Munehiro Kubota, Yuki Otsuka, Yuta Yane, Kosei Orio, Emiko Mouri, Yusuke Yamauchi, Hirokatsu Miyata

Dalton Transactions ( Royal Society of Chemistry ) 53 ( 17 ) 7571 - 7579 2024年05月

Impacts of Negatively Charged Colloidal Clay Particles on Photoisomerization of Both of the Anionic and Cationic Azobenzene Molecules 査読有り国際誌

Emiko Mouri, Kei Kajiwara, Shuhei Kawasaki, Yusuke Shimizu, Hikaru Bando, Hideki Sakai, Teruyuki Nakato

RSC Advances 2022年03月

ELECTRIC ALIGNMENT OF LIQUID CRYSTALLINE BINARY COLLOIDS OF MICROMETER-SIZED NIOBATE AND CLAY NANOSHEETS 査読有り国際誌

Teruyuki Nakato, Wataru Ishitobi, Emiko Mouri

Clay Science 26 17 - 24 2022年02月

セルロースナノクリスタル ―液晶構造とその利用― 招待有り査読有り

毛利恵美子

化学と教育 ( 日本化学会 ) 70 ( 1 ) 32 - 35 2022年01月

The effects of graphene hybridization on mechanical properties of GFRP composites 国際誌

Khurshid Malik, Faiz Ahmad, Nurul A. Yunus, P. S. M. Megat Yusoff, Beh Guan, Norlin Nosbi, Saad Ali, Teruyuki Nakato, Emiko Mouri

AIP Conference Proceedings ( AIP Publishing ) 2401 ( 1 ) 020023 2021年10月

The Effects of Graphene Hybridization on Mechanical Properties of GFRP Composites 査読有り国際誌

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

AIP Conference Proceedings 2401 ( 1 ) 020023 2021年10月

Electrically Induced Alignment of Semiconductor Nanosheets in Niobate-Clay Binary Nanosheet Colloids toward Significantly Enhanced Photocatalysis 査読有り国際誌

Nakato T., Ishitobi W., Yabuuchi M., Miyagawa M., Mouri E., Yamauchi Y.

Langmuir 2021年06月

記述言語：英語掲載種別：研究論文（学術雑誌）

Aqueous binary colloids of niobate and clay nanosheets, prepared by the exfoliation of their mother layered crystals, are unique colloidal systems characterized by the separation of niobate and clay nanosheet phases, where niobate nanosheets form liquid crystalline domains with the size of several tens of micrometers among isotropically dispersed clay nanosheets. The binary colloids show unusual photocatalytic reactions because of the spatial separation of photocatalytically active niobate and photochemically inert clay nanosheets. The present study shows structural conversion of the binary colloids with an external electric field, resulting in the onsite alignment of colloidal nanosheets to improve the photocatalytic performance of the system. The colloidal structure is reshaped by the growth of liquid crystalline domains of photocatalytic niobate nanosheets and by their electric alignment. Niobate nanosheets are assembled by the domain growth process and then aligned by AC voltage, although clay nanosheets do not respond to the electric field. Photocatalytic decomposition of the cationic rhodamine 6G dye, which is selectively adsorbed on clay nanosheets, is examined for the niobate-clay binary nanosheet colloids with or without domain growth and electric field. The fastest decomposition is observed for the electrically aligned colloid without the domain growth, whereas the sample with the domain growth and without the electric alignment shows the slowest decomposition. The results demonstrate the improvement of the photocatalytic performance by changing the colloidal structure, even though the sample composition is the same.

DOI： 10.1021/acs.langmuir.1c01051

Scopus

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Cooperative Electric Alignment of Colloidal Graphene Oxide Particles with Liquid Crystalline Niobate Nanosheets 査読有り国際誌

Nakato T., Sirinakorn T., Ishitobi W., Mouri E., Ogawa M.

Bulletin of the Chemical Society of Japan ( 公益社団法人日本化学会 ) 94 ( 12 ) 2871 - 2879 2021年01月

記述言語：英語掲載種別：研究論文（学術雑誌）

Binary colloids of two morphologically different particle species cause phase separation containing liquid crystalline phases. Although electric alignment of colloidal nanosheets has been investigated for colloidal systems consisting of single nanosheet species, that of binary nanosheet colloids has scarcely been examined. We report herein the electric alignment of aqueous binary colloids composed of niobate (NB) nanosheets from K4Nb6O17 and commercially available graphene oxide (GO) platelets. The NBGO binary colloids show multiphase coexistence involving liquid crystalline phases induced by the NB nanosheets, whereas the employed GO particles do not contribute to the liquid crystallinity. The NB nanosheets in the binary colloids are electrically aligned in parallel to an AC voltage (1 kV cm11 peak to peak, 50 kHz) applied to the sample. When the concentration of GO in the binary colloids is low enough, the GO particles are also electrically aligned although they hardly respond to electric field in the absence of NB nanosheets. Combined optical microscopy of bright-field, polarized, and fluorescence observations demonstrates that isolated GO particles are dragged by the aligning motion of the NB nanosheets forming liquid crystalline domains. The results indicate that collective motions of colloidal nanosheets can induce participation of isolated particles.

DOI： 10.1246/bcsj.20210314

Scopus

CiNii Article

CiNii Research

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A Review of Flax Fiber Reinforced Thermoset Polymer Composites: Thermal-Physical Properties, Improvements and Application 査読有り国際誌

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

Journal of Natural Fibers 19 ( 15 ) 10412 - 10430 2021年01月

記述言語：英語掲載種別：記事・総説・解説・論説等（学術雑誌）

Flax is the strongest natural fiber used as reinforcement for polymer-based composites due to its ecological properties, low specific gravity, renewability, biodegradability, recyclability besides its high mechanical properties. However, thermal properties of flax fibers depend on its chemical composition and structure, so it should be carefully controlled during the production process of composites, which affect the final product performance. A review of flax fiber-reinforced thermoset composites (FRTCs) and their hybrids is presented in the article, mainly focus on thermal performance, water absorption, and durability of the composites. The effects of filler materials hybridization and fiber’s chemical modification on the properties and performance of the FRTCs are also covered. Finally, key industrial applications and future possible research work based on the current understanding of FRTCs, and their hybrids also are addressed.

DOI： 10.1080/15440478.2021.1993507

Scopus

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Preparation of Cellulose Nanocrystals based Core-Shell Particles with Tunable Component Location 査読有り国際誌

Jie Zhang, Hinako Furushima, Teruyuki Nakato, Emiko Mouri

Chemistry Letters 50 ( 2 ) 240 - 243 2020年12月

担当区分：責任著者記述言語：英語掲載種別：研究論文（学術雑誌）

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 coreshell 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

Kyutacar

Scopus

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無機ナノシート液晶とソフトマテリアル招待有り査読有り

毛利恵美子, 中戸晃之

月刊機能材料 ( シーエムシー出版 ) 2020年07月

Development of Structural Color by Niobate Nanosheet Colloids 査読有り国際誌

Emiko Mouri, Chiari Ogami, Takashi Fukumoto, Teruyuki Nakato

Chemistry Letters 49 ( 6 ) 717 - 720 2020年04月

担当区分：筆頭著者記述言語：英語掲載種別：研究論文（学術雑誌）

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

Kyutacar

Scopus

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Mesoscopic Architectures Made of Electrically Charged Binary Colloidal Nanosheets in Aqueous System 査読有り国際誌

T. Nakato, A. Takahashi, S. Terada, S. Yamaguchi, E. Mouri, M. Shintate, S. Yamamoto, Y. Yamauchi, N. Miyamoto

Langmuir 2019年10月

Electric-Alignment Immobilization of Liquid Crystalline Colloidal Nanosheets with the Aid of a Natural Organic Polymer 査読有り

E. Mouri, A. Irie, T. Nakato

Langmuir 35 7003 - 7008 2019年05月

無機ナノシート液晶の光マニピュレーション招待有り

中戸　晃之・鈴木　康孝・毛利　恵美子・川俣　　純

The Bulletin of the Nano Science and Technology ( The Society of Nano Science and Technology ) 17 ( 2 ) 2019年03月

Photoinduced electron transfer in semiconductor–clay binary nanosheet colloids controlled by clay particles as a turnout switch (共著）査読有り

Teruyuki Nakato, Shinya Terada, Tatsuya Ishiku, Shungo Abe, Sunao Kamimura, Emiko Mouri, Teruhisa Ohno

Applied Catalysis B: Environmental 241 499 - 505 2019年02月

Electrolyte-dependence of the macroscopic textures generated in the colloidal liquid 査読有り

Jie Zhang⁠, Keisuke Morisaka, Takuya Kumamoto⁠, Emiko Mouri, Teruyuki Nakato

Colloids and Surfaces A: Physicochemical and Engineering 2018年08月

Control of assembly size of poly (methacrylic acid)-grafted fullerenes in aqueous solution 査読有り

Emiko Mouri, Sanami Moroi

Journal of Polymer Research 2018年08月

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