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2021/02/12

Colloids and Surfaces A: Physicochemical and Engineering Aspects

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春はすぐそこ

2020/12/24

◆ 業績（論文）更新

“High-aspect-ratio gold nanorod synthesis in surfactant lamellar structures”

（界面活性剤のゲル構造を利用した金ナノロッド合成）

Y. Takenaka

Accounts of Materials & Surface Research（材料表面）

Vol. 5, No. 5, pp. 183-188 (2020).

https://www.hyomen.org/vol5no5/

※本文は日本語です。

2020/12/11

◆ 女子大学院生・ポスドクのための産総研所内紹介と在職女性研究者との懇談会

武仲主任研究員が懇談会に参加いたします。

また、スマート材料グループの紹介もあります。

詳しくはこちら

2020/10/31

◆ 令和２年度　産総研　材料・化学シンポジウム

=機能化学研究部門の新たな取り組み=

化学材料の創製と診断を両輪として

スマート材料グループもエントリーいたします。

「快適な暮らしに貢献するスマクティブ材料」のセッションにおいて

下記のトピックスをご紹介します。

◇ カプセル化による高付加価値化手法

◇ 光による粘着・接着性の制御

◇ 光でつけ外しができる接着剤

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2020/10/03

2020/08/16

◆ 更新情報（外部研究資金）

科研費・若手研究（2020.4-2023.3）

「結合開裂反応を利用した刺激応答性易剥離分子層の開発」

代表者：相沢美帆研究員

◆ 更新情報（論文）

2020

2. Light-Induced Fabrication of Patterned Conductive Nanocarbon Films for Flexible Electrode

Hirokuni Jintoku*, Yoko Matsuzawa, and Masaru Yoshida

ACS Appl. Nano Mater. 2020,

doi.org/10.1021/acsanm.0c01635

1. Nematic Liquid-Crystal Necklace Structure Made by Microfluidics System

Yoshiko Takenaka*, Miha Škarabot, and Igor Muševič

Langmuir 2020, 36, 12, 3234–3241

doi.org/10.1021/acs.langmuir.0c00101

2019

4. Effect of the Crystallization Process of Surfactant Bilayer Lamellar Structures on the Elongation of High-Aspect-Ratio Gold Nanorods

Takamichi Inaba, Yoshiko Takenaka*, Youhei Kawabata*, and Tadashi Kato

J. Phys. Chem. B 2019, 123, 22, 4776–4783

doi.org/10.1021/acs.jpcb.8b10897

3. Directed Assembly of Gold Nanorods by Microwrinkles

Yoshiko Takenaka ,* Yoko Matsuzawa , and Takuya Ohzono

Chemistry Letters 2019, Vol.48, No.11, 1292-1295

doi.org/10.1246/cl.190486

2. Dual use of anionic azobenzene derivative as dispersant and dopant for carbon nanotubes for enhanced thermal stability of transparent conductive films

Hirokuni Jintoku*, Yoko Matsuzawa, Masaru Yoshida

Carbon Vol. 152, 2019, 247-254

doi.org/10.1016/j.carbon.2019.06.044

1. CNT Ink Preparation by Combined Use of High-pressure Emulsification and a Low Molecular Weight Organic Electrolyte as a Dispersant

Yoko Matsuzawa* and Hirokuni Jintoku

Chemistry Letters 2019, Vol.48, No.7 674-677

doi.org/10.1246/cl.190161

◆◆ Publication Lists

2020

2. Light-Induced Fabrication of Patterned Conductive Nanocarbon Films for Flexible Electrode

Hirokuni Jintoku*, Yoko Matsuzawa, and Masaru Yoshida

ACS Appl. Nano Mater. 2020,

doi.org/10.1021/acsanm.0c01635

1. Nematic Liquid-Crystal Necklace Structure Made by Microfluidics System

Yoshiko Takenaka*, Miha Škarabot, and Igor Muševič

Langmuir 2020, 36, 12, 3234–3241

doi.org/10.1021/acs.langmuir.0c00101

2019

4. Effect of the Crystallization Process of Surfactant Bilayer Lamellar Structures on the Elongation of High-Aspect-Ratio Gold Nanorods

Takamichi Inaba, Yoshiko Takenaka*, Youhei Kawabata*, and Tadashi Kato

J. Phys. Chem. B 2019, 123, 22, 4776–4783

doi.org/10.1021/acs.jpcb.8b10897

3. Directed Assembly of Gold Nanorods by Microwrinkles

Yoshiko Takenaka ,* Yoko Matsuzawa , and Takuya Ohzono

Chemistry Letters 2019, Vol.48, No.11, 1292-1295

doi.org/10.1246/cl.190486

2. Dual use of anionic azobenzene derivative as dispersant and dopant for carbon nanotubes for enhanced thermal stability of transparent conductive films

Hirokuni Jintoku*, Yoko Matsuzawa, Masaru Yoshida

Carbon Vol. 152, 2019, 247-254

doi.org/10.1016/j.carbon.2019.06.044

1. CNT Ink Preparation by Combined Use of High-pressure Emulsification and a Low Molecular Weight Organic Electrolyte as a Dispersant

Yoko Matsuzawa* and Hirokuni Jintoku

Chemistry Letters 2019, Vol.48, No.7 674-677

doi.org/10.1246/cl.190161

2018

1. Y. Kawata, T. Yamamoto et al.

Unusual Photoresponses in Upper Critical Solution Temperature of Polymer Solutions Mediated by Change in Intermolecular Interaction in an Azo-Doped Liquid Crystalline Solvent

Phys. Chem. Chem. Phys., 20, 5850-5855, 2018.

2. T. Yamamoto et al.

Photoplasticization effect of an azobenzene-doped liquid crystal depending on phase structures

Chemistry Letters, 47, 272-275, 2018.

3. H. Jintoku et al.

Switching the opitical and electrical properties of carbon nanotube hybrid films using a photoresposive dispersant as a dopant

RSC Advances, 8, 11186-11190, 2018.

4. N. Kameta and H. Akiyama
Shrinkable Nanotubes for Duplex Formation of Short Nucleotides
SMALL, 14, 1801967, 2018.
DOI: 10.1002/smll.201801967

5. T. Sato, Y. Kawaguchi, H. Akiyama, H. Ohmura,
Detection of contaminants on pre-bond surface by LIBS
JOURNAL OF ADHESION, 94, 689-700, 2018
DOI: 10.1080/00218464.2017.1388169

6. T. Yamamoto, Y. Norikane, H. Akiyama,
Photochemical liquefaction and softening in molecular materials, polymers, and related compounds
POLYMER JOURNAL, 50, 551-562, 2018
DOI: 10.1038/s41428-018-0064-4

7. T. Yamamoto, J. Noguchi, M. Kinoshita, Y. Takenaka, et al.
Near-infrared-light-responsive liquid-crystalline composite gels with photo-healing ability
MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 662, 38-45, 2018
DOI: 10.1080/15421406.2018.1466239

2017

7. H. Jintoku et al.

Static Electricity-Responsive Supramolecular Assembly

Chemistry-A European Journal, 23(67) 16961-16965, 2017.

6. H. Akiyama et al.

Reversible photocuring of liquid hexa-anthracene compounds for adhesive applications

The Journal of adhesion, https://doi.org/10.1080/00218464.2017.1383244

5. Z.-M. Wang; W. Peng; Y. Takenaka; N. Yoshizawa; K. Kosuge; W. Wang; G. A. Ozin
Sandwich-type Nanocomposite of Reduced Graphene Oxide and Periodic Mesoporous Silica with Vertically Aligned Mesochannels of Tunable Pore Depth and Size
Advanced Functional Materials DOI: org/10.1002/adfm.201704066

4. Jintoku, H. Sato, T. Nakazumi, T. Matsuzawa, Y. Kihara, H. Yoshida, M.
Formation of Highly Pure and Patterned Carbon Nanotube Films on a Variety of Substrates by a Wet Process Based on Light-Induced Dispersibility Switch
Acs Applied Materials & Interfaces Article ASAP DOI: 10.1021/acsami.7b07184

3. Takenaka, Y. Yamamoto, T.

Light-induced displacement of a microbead through the thermal expansion of liquid crystals

Soft Matter, 13, 1116-1119 DOI 10.1039/c6sm02324j

2. Kurimura, T. Takenaka, Y. Kidoaki, S. Ichikawa, M.

Fabrication of Gold Microwires by Drying Gold Nanorods Suspensions
Advanced Materials Interfaces, 4 DOI 10.1002/admi.201601125

1. Y. Matsuzawa, C. Negoro, H. Jintoku, H. Kihara, M. Yoshida

Formation of a Lyotropic Liquid Crystal Phase in a Single Walled Carbon Nanotube Aqueous Ink with Low-molecular-weight Electrolyte
Chemistry Letters, 46, 1186-1189 DOI 10.1246/cl.170370

2016

6. Jintoku, H. Matsuzawa, Y. Kihara, H. Yoshida, M.

Dispersibility Switching of Carbon Nanotubes and Carbon Black by the Photoisomerization of a Cationic Azobenzene Derivative

Chemistry Letters, 45, 1307-1309 DOI 10.1246/cl.160648

5. Kawata, Y. Yamamoto, T. Kihara, H. Yamamura, Y. Saito, K. Ohno, K.

Three Gel States of Colloidal Composites Consisting of Polymer-Brush-Afforded Silica Particles and a Nematic Liquid Crystal with Distinct Viscoelastic and Optical Properties
Acs Applied Materials & Interfaces, 8, 29649-29657, DOI 10.1021/acsami.6b07893

4. Matsuzawa, Y. Takada, Y. Jintoku, H. Kihara, H. Yoshida, M.

Photopatterned Single-Walled Carbon Nanotube Films Utilizing the Adsorption/Desorption Processes of Photofunctional Dispersants

Acs Applied Materials & Interfaces, 8, 28400-28405, DOI 10.1021/acsami.6b06169

3. Naga, N. Okada, A. Satoh, Y. Furukawa, H. Yamamoto, T.

Synthesis and properties of organic–inorganic hybrid liquid crystal gels
Liquid Crystals, 43, 1616-1625 DOI 10.1080/02678292.2016.1191684

2. Akiyama, H., Fukata T. Yamashita, A. Yoshida, M. Kihara, H.

Reworkable adhesives composed of photoresponsive azobenzene polymer for glass substrates

Journal of Adhesion, 93, 823-830, 2017, DOI 10.1080/00218464.2016.1219255

1. Shi, Y. Yang, J.,Zhao, J., Akiyama, H., Yoshida, M.

Photo-controllable coil-to-globule transition of single polymer molecules
Polymer, 97, 309-313, DOI 10.1016/j.polymer.2016.05.036

2015

5. Kawata, Y. Yamamoto, T. Kihara, H. Ohno, K.

Dual Self-Healing Abilities of Composite Gels Consisting of Polymer-Brush-Afforded Particles and an Azobenzene-Doped Liquid Crystal

Acs Applied Materials & Interfaces, 7, 4185-4191 DOI 10.1021/am5084573

4. Nishiyama, I. Yamamoto, T.

Photo- or electrically-induced molecular organizations observed in dichiral azobenzene liquid-crystalline compounds

Molecular Crystals and Liquid Crystals, 614, 86-92 DOI 10.1080/15421406.2015.1050277

3. Yamamoto, T. Kawata, Y. Kihara, H. Yoshida, M.

Helical-structure-induced softening of particle/liquid-crystal composite gels
Transactions of the Materials Research Society of Japan, 40, 335-338 DOI 10.14723/tmrsj.40.335

2. Yamamoto, T. Nishiyama, I.

Electric-induction and photonic-control of birefringence in a liquid phase of a dichiral azobenzene mesogenic compound
Transactions of the Materials Research Society of Japan, 40, 339-342 DOI 10.14723/tmrsj.40.339

1. Takenaka, Y

One-pot synthesis of long twin gold nanorods in a gelled surfactant solution
RSC ADVANCES, 5, 34690-34695 DOI:10.1039/C4RA17031H

2014

9. Takenaka, Y.

Aspect-ratio-controlled Au Nanorods: Preparation and Dispersion toward Applications
Materials Challenges and Testing for Manufacturing, Mobility, Biomedical Applications and Climate, 161-165 DOI 10.1007/978-3-319-11340-1_16

8. Tsuchiya, M. Hashimoto, M. Takenaka, Y. Motoike, N. I. Yoshikawa, K.

Global Genetic Response in a Cancer Cell: Self-Organized Coherent Expression Dynamics
PLOS ONE, 9-5, e97411 1-16 doi.org/10.1371/journal.pone.0097411

7. Hara, Y. Takenaka, Y.

Autonomous Oscillation of Polymer Chains Induced by the Belousov–Zhabotinsky Reaction
SENSORS, 14-1, 1497-1510 doi: 10.3390/s140101497

6. Takenaka, Y. Sumino, Y. Ohzono, T.

Dewetting of a droplet induced by the adsorption of surfactants on a glass substrate
SOFT MATTER, 10, 5597-5602 DOI:10.1039/C4SM00798K

5. Yamamoto, T. Nishiyama, I.

An electrically-stabilized liquid-crystalline phase: origin and application
Physical Chemistry Chemical Physics, 16, 26707-26710 DOI 10.1039/c4cp04643a

4. Akiyama, H. Yoshida, M. Kihara, H. Norikane, Y. Azumi, R.

Organic Photofunctional Materials Composed of Azobenzene Derivatives: Liquid-solid Phase Transition in Multi Azobenzene Compounds with Partially Substituted Structures
Journal of Photopolymer Science and Technology, 27, 301-305

3. Akiyama, H. Kanazawa, S. Yoshida, M. Kihara, H. Nagai, H. Norikane, Y. Azumi, R.

Photochemical Liquid-Solid Transitions in Multi-dye Compounds
Molecular Crystals and Liquid Crystals, 604, 604 DOI 10.1080/15421406.2014.967743

2. Akiyama, H. Kanazawa, S. Okuyama, Y. Yoshida, M. Kihara, H. Nagai, H. Norikane, Y. Azumi, R.

Photochemically Reversible Liquefaction and Solidification of Multiazobenzene Sugar-Alcohol Derivatives and Application to Reworkable Adhesives
Acs Applied Materials & Interfaces, 6, 7933-7941, DOI 10.1021/am501227y

1. Matsuzawa, Y. Takada, Y. Kodaira, T. Kihara, H. Kataura, H. Yoshida, M.

Effective Nondestructive Purification of Single-Walled Carbon Nanotubes Based on High-Speed Centrifugation with a Photochemically Removable Dispersant
Journal of Physical Chemistry C, 118, 5013-5019, DOI 10.1021/jp411964z

2013

5. Hara, Y. Mayama, H. Yamagushi, Y. Takenaka, Y. Fukuda, R.

Direct Observation of Periodic Swelling and Collapse of Polymer Chain Induced by the Belousov–Zhabotinsky Reaction
JOURNAL OF PHYSICAL CHEMISTRY B, 117-46, 14351-14357 DOI: 10.1021/jp408417h

4. Iwai, M. Chan-Gi, P. Takenaka, Y. Sakou, Y. Nakano, A.

Photosystem II antenna phosphorylation-dependent protein diffusion determined by fluorescence correlation spectroscopy
SCIENTIFIC REPORTS, 3-2833, 1-7 doi: 10.1038/srep02833

3. Tsunemi, E. Kobayashi, K. Ohyabu, N. Hirose, M. Takenaka, Y. Matsushige, K. Yamada, N.

Development of multi-environment dual probe atomic force microscopy system using optical beam deflection sensors with vertically incident laser beams
REVIEW OF SCIENTIFIC INSTRUMENTS, 84-083701, 1-7
doi: http://dx.doi.org/10.1063/1.4816535

2. Yamamoto, T. Kawata, Y. Yoshida, M.

Contrasting roles of layered structures in the molecular assembly of liquid crystal matrices on the viscoelastic properties of microparticle/liquid crystal composite gels leading to rigidification and destabilization
Journal of Colloid and Interface Science, 397, 131-136, DOI 10.1016/j.jcis.2013.01.039

1. Takenaka, Y. Kawabata, Y. Kitahata, H. Yoshida, M. Matsuzawa, Y. Ohzono, T.

Effects of surfactant concentration on formation of high-aspect-ratio gold nanorods
Journal of Colloid and Interface Science, 407, 265-272, DOI 10.1016/j.jcis.2013.06.008

2012

6. Ohzono, T. Takenaka, Y. Fukuda, J.

Focal conics in a smectic-A liquid crystal in microwrinkle grooves
SOFT MATTER, 8, 6438-6444 DOI:10.1039/C2SM25416F

5. Takenaka, Y. Kitahata, H. Yamada, N. L. Seto, H. Hara, M.

Gelation Effect on the Synthesis of High-Aspect-Ratio Gold Nanorods
Journal of Nanoscience and Nanotechnology, 12, 714-718 DOI 10.1166/jnn.2012.5405

4. Takenaka, Y. Kawabata, Y. Kitahata, H. Ohzono, T.

Control of the Long-axis Length of Gold Nanorods through Temperature Variation
Chemistry Letters, 41, 1173-1175 DOI 10.1246/cl.2012.1173

3. Akiyama, H. Yoshida, M.

Photochemically Reversible Liquefaction and Solidification of Single Compounds Based on a Sugar Alcohol Scaffold with Multi Azo-Arms
Advanced Materials, 24, 2353-2356, DOI 10.1002/adma.201104880

2. Yamamoto, T. Yoshida, M.

Viscoelastic and Photoresponsive Properties of Microparticle/Liquid-Crystal Composite Gels: Tunable Mechanical Strength along with　Rapid-Recovery Nature and Photochemical Surface Healing using an Azobenzene Dopant
Langmuir, 28, 8463-8469, DOI 10.1021/la3001784

1. Yamamoto, T. Yoshida, M.

Photoinduced Directional Motions of Microparticles at Air-Liquid-Crystal Interfaces of Azobenzene-Doped Liquid-Crystal Films with Homeotropic or Homogeneous Alignment Structures
Applied Physics Experess, 5, 101701 DOI 10.1143/APEX.5.101701

2011

1. Matsuzawa, Y. Kato, H. Ohyama, H. Nishide, D. Kataura, H. Yoshida, M.

Photoinduced Dispersibility Tuning of Carbon Nanotubes by a Water-Soluble Stilbene as a Dispersant

Advanced Materials, 23, 3922-, DOI 10.1002/adma.201101960

2020/08/09

◆ 2020　盛夏

この８月で新生Smart Materials Groupは４年目を迎えました。

これからも、社会課題の解決に、わくわくするような新機能の創出に

精力的に取り組んでいきます。

SMGの活躍にご期待ください。

2020/04/01

◆ グループのミッション

有機合成やソフトマテリアル技術をベースに、快適な暮らしに貢献するスマクティブ材料（環境応答材料）の創製に取り組み、製造・利用に関わる基盤技術を開発する。

・刺激に応答して機能性・快適性を発現する新規表界面物性制御技術の構築

・炭素材料の分散制御高度化を目指した刺激応答性分散剤の開発

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