Hiroshi Masai

Profile Information

J-GLOBAL ID: 201801012239940257
researchmap Member ID: B000328985

Research Areas

Nanotechnology/Materials / Organic functional materials /

Papers

Ion Pairing of Cationic and Anionic Ir(III) Photosensitizers for Photocatalytic CO₂ Reduction at Lipid–Membrane Surfaces

Shin-ya Takizawa, Takahiro Okuyama, Suguru Yamazaki, Kei-ichi Sato, Hiroshi Masai, Tomohiro Iwai, Shigeru Murata, Jun Terao

Journal of the American Chemical Society, 145(28) 15049-15053, Jul 6, 2023
Fabrication of Photoprocessable Materials via Photopolymerization Using an Acid-Induced Photocleavable Platinum-Acetylide Crosslinker.

Takashi Kaneko, Go M Russell, Yutaro Kawano, Hiroshi Masai, Jun Terao

Angewandte Chemie (International ed. in English), 62(26) e202305374, Jun 26, 2023
Luminescent Thermoresponse via Excimer/Exciplex Transition of Pyrene Derivative in Polymer Networks Containing [3]Rotaxane.

Tomoki Nakagawa, Saqura Ishino, Daiki Inamori, Hiroshi Masai, Jun Terao

ACS macro letters, 12(6) 751-758, Jun 20, 2023
Effects of Alkyl Ester Chain Length on the Toughness of PolyAcrylate-Based Network Materials

Yutaro Kawano, Hiroshi Masai, Shintaro Nakagawa, Naoko Yoshie, Jun Terao

Polymers, 15(10) 2389-2389, May 20, 2023
Multistate Structural Switching of [3]Catenanes with Cyclic Porphyrin Dimers by Complexation with Amine Ligands.

Yuki Oka, Hiroshi Masai, Jun Terao

Angewandte Chemie (International ed. in English), 62(14) e202217002, Mar 27, 2023
Efficient electrocatalytic H2O2 evolution utilizing electron-conducting molecular wires spatially separated by rotaxane encapsulation

Sheng-Ying Chou, Hiroshi Masai, Masaya Otani, Hiromichi V. Miyagishi, Gentaro Sakamoto, Yusuke Yamada, Yusuke Kinoshita, Hitoshi Tamiaki, Takayoshi Katase, Hiromichi Ohta …

Applied Catalysis B: Environmental, 327 122373-122373, Jan, 2023
Systematic Synthesis of Macrocycles Bearing up to Six 2,2'-Bipyridine Moieties through Self-Assembled Double Helix Structure.

Yudai Onda, Hiroshi Masai, Jun Terao

The Journal of organic chemistry, 87(19) 13331-13338, Oct 7, 2022
Transient Photodegradability of Photostable Gel Induced by Simultaneous Treatment with Acid and UV-Light for Phototuning of Optically Functional Materials

Go M. Russell, Takashi Kaneko, Saqura Ishino, Hiroshi Masai, Jun Terao

ADVANCED FUNCTIONAL MATERIALS, 32(40), Oct, 2022
Stochastic Binding Dynamics of a Photoswitchable Single Supramolecular Complex

Dingkai Su, Shuyao Zhou, Hiroshi Masai, Zihao Liu, Ce Zhou, Chen Yang, Zhizhou Li, Susumu Tsuda, Zhirong Liu, Jun Terao …

ADVANCED SCIENCE, 9(13) e2200022, May, 2022
Effect of changing electronic states of molecules on frequency domain of graphene FETs

Tomohiro Oketa, Takashi Ikuta, Hiroshi Masai, Takashi Tamaki, Jun Terao, Kenzo Maehashi

Applied Physics Express, 15(4) 045001-045001, Apr 1, 2022
Irradiation with UV Light Accelerates the Migita-Kosugi-Stille Coupling Reaction in Air

Takumi Ishikawa, Mako Murata, Hiroshi Masai, Tomohiro Iwai, Jun Terao

CHEMISTRY LETTERS, 51(2) 124-126, Feb, 2022
Linked Rotaxane Structure Restricts Local Molecular Motions in Solution to Enhance Fluorescence Properties of Tetraphenylethylene

Hiromichi V. Miyagishi, Hiroshi Masai, Jun Terao

Chemistry – A European Journal, 28(6) e202103175, Jan 27, 2022
Solvatofluorochromic Contrast with Supramolecular Stereoisomers Using Linked Rotaxane Structures to Investigate Local Solvation in Excited Donor-Bridge-Acceptor Systems

Sotaro Shimada, Hiromichi V. Miyagishi, Hiroshi Masai, Yoichi Masui, Jun Terao

Bulletin of the Chemical Society of Japan, 95(1) 163-168, Jan 15, 2022
Insulation of a coumarin derivative with [1]rotaxane to control solvation-induced effects in excited-state dynamics for enhanced luminescence

Go M. Russell, Hiroshi Masai, Jun Terao

Physical Chemistry Chemical Physics, 24(25) 15195-15200, 2022
Precision synthesis of linear oligorotaxanes and polyrotaxanes achieving well-defined positions and numbers of cyclic components on the axle

Hiroshi Masai, Yuki Oka, Jun Terao

Chemical Communications, 58(11) 1644-1660, 2022
Electrical detection of ppb region NO2 using Mg-porphyrin-modified graphene field-effect transistors

Takashi Ikuta, Takashi Tamaki, Hiroshi Masai, Ryudai Nakanishi, Kitaro Endo, Jun Terao, Kenzo Maehashi

NANOSCALE ADVANCES, 3(20) 5793-5800, Jul, 2021
Maximizing Conversion of Surface Click Reactions for Versatile Molecular Modification on Metal Oxide Nanowires

Rimon Yamaguchi, Takuro Hosomi, Masaya Otani, Kazuki Nagashima, Tsunaki Takahashi, Guozhu Zhang, Masaki Kanai, Hiroshi Masai, Jun Terao, Takeshi Yanagida

LANGMUIR, 37(17) 5172-5179, May, 2021
A single-molecule electrical approach for amino acid detection and chirality recognition

Zihao Liu, Xingxing Li, Hiroshi Masai, Xinyi Huang, Susumu Tsuda, Jun Terao, Jinlong Yang, Xuefeng Guo

Science Advances, 7(10), Mar 5, 2021
Change in the rate of pseudo[1]rotaxane formation by elongating the alkyl-chain-substituted diphenylethynylene linked to permethyl α-cyclodextrin

Saqura Ishino, Hiroshi Masai, Sotaro Shimada, Jun Terao

Tetrahedron Letters, 61(27) 152061-152061, Jul, 2020 Peer-reviewed
Suppression of Undesirable Isomerization and Intermolecular Reactions of Double Bonds by a Linked Rotaxane Structure

Hiromichi V. Miyagishi, Hiroshi Masai, Jun Terao

Chemistry – An Asian Journal, 15(12) 1890-1895, May 20, 2020 Peer-reviewed

Misc.

Development of Aryl Silicon-Crosslinked Polymer Material Degradable by Proton Diffusion and UV Irradiation

中川智稀, 正井宏, 青木健太郎, 長尾祐樹, 寺尾潤

日本化学会春季年会講演予稿集(Web), 103rd, 2023
光加工性高分子ネットワーク材料における光反応性ユニットの開発—Development of Photoreactive Units in Photoprocessable Polymer Network Materials

正井宏, 寺尾潤

日本接着学会誌 = Journal of the Adhesion Society of Japan : adhesion, 59(6) 210-218, 2023
ロタキサン構造から成る無機-有機ハイブリッド界面を用いた触媒系の創成—光触媒研究の新展開そして未来へ

正井宏

会報光触媒 = Photocatalysis, 70 20-25, Jan, 2023
数と位置が規定された貫通構造をもつ一次元高分子の精密合成と機能

正井宏, 寺尾潤

高分子, 70(2) 95-99, 2021
Precise Synthetic Strategies for [n] Rotaxanes

正井宏

有機合成化学協会誌, 79(3) 243-245, 2021
Synthetic strategy of macrocyclic catenane based on two types of metal complex templates

遠田雄大, 坪田隆之介, 正井宏, 寺尾潤

日本化学会春季年会講演予稿集(Web), 101st, 2021
Control of optical properties of solvatofluorochromic materials by a [1]rotaxane structure

島田聡太朗, 宮岸拓路, 正井宏, 寺尾潤

日本化学会春季年会講演予稿集(Web), 101st, 2021
Fabrication of the Photo-degradable Gel via Photo-polymerization

金子隆, RUSSELL Go Martin, 正井宏, 寺尾潤

日本化学会春季年会講演予稿集(Web), 101st, 2021
Sliding Effect on Thermofluorochromic Gel Crosslinked by Pyrene-Including [3]Rotaxanes

中川智稀, 石野さくら, 稲森大貴, 正井宏, 寺尾潤

日本化学会春季年会講演予稿集(Web), 101st, 2021
Acceleration Effect of Migita-Kosugi-Stille Coupling Reaction by UV-iraddiation

石川拓実, 村田茉子, 正井宏, 岩井智弘, 寺尾潤

日本化学会春季年会講演予稿集(Web), 101st, 2021
Development of [1]Rotaxane Fluorescent Dyes for the Enhancement of Fluorescence Efficiency in Various Solvents

宮岸拓路, 正井宏, 寺尾潤

ホスト-ゲスト・超分子化学シンポジウム講演要旨集, 18th, 2021
Concerted Functionalities between Rotaxane Structures with Methylated Cyclodextrins and d-π Systems in Organometallic Compounds

正井宏

シクロデキストリンシンポジウム講演要旨集, 37th, 2021
Synthesis and Properties of [3]Catenanes Composed of Cyclic Porphyrin Dimers with Rigid Backbone

岡勇気, 正井宏, 寺尾潤

基礎有機化学討論会要旨集, 31st (CD-ROM), 2021
光安定性と光加工性を両立する新規プラスチック材料の微細加工技術

正井宏

天田財団助成研究成果報告書, 34, 2021
Steric Control of Photoisomerization of Stilbene Derivatives Enabled by Linked Rotaxane Structure

宮岸拓路, 正井宏, 寺尾潤

日本化学会春季年会講演予稿集(CD-ROM), 100th, 2020
Insulation effects of Ni(II) salen complex bearing [1]-rotaxane structure under acidic condition

島田聡太朗, 原田涼佑, 正井宏, 寺尾潤

日本化学会春季年会講演予稿集(CD-ROM), 100th, 2020
Functionalization of metal oxide surfaces with insulated conjugated anchor molecules

CHOU Sheng-Ying, 正井宏, 寺尾潤

日本化学会春季年会講演予稿集(CD-ROM), 100th, 2020
Electrochemical H₂O₂ production by mononuclear cobalt(II) chlorin complex fixed on an FTO electrode with a conductive molecular wire

坂本弦大郎, 田部博康, 田部博康, CHOU ShengYing, 正井宏, 寺尾潤, 木下雄介, 民秋均, 山田裕介

日本化学会春季年会講演予稿集(CD-ROM), 100th, 2020
有害物質の高感度検出に向けた超分子修飾グラフェンFETの開発

生田昂, 玉木孝, 正井宏, 前橋兼三

応用物理学会春季学術講演会講演予稿集(CD-ROM), 66th, 2019
環状ポルフィリンの選択的アレイ化とその機能

岡勇気, 千葉湧介, 正井宏, 寺尾潤

有機合成シンポジウム講演要旨集, 115th, 2019

Research Projects

フロー高速反応速度論解析による低エントロピー反応空間の理論構築

科学研究費助成事業学術変革領域研究(B), 学術変革領域研究(B), 日本学術振興会, Aug, 2021 - Mar, 2024

永木愛一郎, 正井宏
グラフェン界面における分子の結合開裂・形成反応活性化を基軸とした分子検出

科学研究費助成事業挑戦的研究(萌芽), 挑戦的研究(萌芽), 日本学術振興会, Jul, 2021 - Mar, 2024

生田昂, 正井宏
光刺激と化学刺激の多重協働活性化を活用した高機能材料群の創成

科学研究費助成事業基盤研究(C), 基盤研究(C), 日本学術振興会, Apr, 2021 - Mar, 2024

正井宏
プロトンと光を用いた高分子材料の反応性と機能性の自在制御

科学研究費助成事業新学術領域研究(研究領域提案型), 新学術領域研究(研究領域提案型), 日本学術振興会, Apr, 2021 - Mar, 2023

正井宏
グラフェン素子における静・動的解析に基づく極微量分子の精密同定法開発

科学研究費助成事業基盤研究(B), 基盤研究(B), 日本学術振興会, Apr, 2020 - Mar, 2023

生田昂, 正井宏, 玉木孝
Development of functional materials with conflicted properties of photoprocessability, photostability, and photofunctionality

Grants-in-Aid for Scientific Research, Grant-in-Aid for Early-Career Scientists, Japan Society for the Promotion of Science, Apr, 2019 - Mar, 2022

Masai Hiroshi
Giant modulation of gate capacitance in graphene FET with phase transition in polymer network

Grants-in-Aid for Scientific Research Grant-in-Aid for Challenging Research (Exploratory), Grant-in-Aid for Challenging Research (Exploratory), Japan Society for the Promotion of Science, Jun, 2019 - Mar, 2021

Ikuta Takashi
Synthesis of hetero[3]rotaxanes with noble molecular shuttling directed toward higher-order molecular machines

Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (B), Grant-in-Aid for Young Scientists (B), Japan Society for the Promotion of Science, Apr, 2017 - Mar, 2019

Masai Hiroshi
力学刺激に対するトポロジカル応答性を基盤とする新規メカノクロミック材料の創成

科学研究費助成事業特別研究員奨励費, 特別研究員奨励費, 日本学術振興会, Apr, 2016 - Mar, 2019

正井宏
含金属被覆型分子ワイヤの合成と分子エレクトロニクス素子への応用

科学研究費助成事業特別研究員奨励費, 特別研究員奨励費, 日本学術振興会, Apr, 2013 - Mar, 2016

正井宏

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