KUBO Yuji

J-GLOBAL         Last updated: Jun 18, 2019 at 09:22
 
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Name
KUBO Yuji
Affiliation
Saitama University
Section
Faculty of Engineering
Job title
Associate Professor

Academic & Professional Experience

 
Apr 2008
 - 
Today
Professor, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University
 

Education

 
 
 - 
1986
Graduate School, Division of Engineering, Osaka Prefecture University
 
 
 - 
1984
Faculty of Engineering, Osaka Prefecture University
 

Published Papers

 
Yuta Higashino, Sule Erten-Ela, Yuji Kubo
Dyes and Pigments   170    Nov 2019
© 2019 Elsevier Ltd Much attention has been devoted to the synthesis of dyes that absorb near-infrared (NIR) radiation because of numerous demands for them as functional materials. Given that NIR sensitizers applicable to p-type dye-sensitized sol...
Indra Purnama, Salmahaminati, Minori Abe, Masahiko Hada, Yuji Kubo, Jacob Yan Mulyana
Dalton Transactions   48 688-695   Jan 2019
© The Royal Society of Chemistry. The dye-sensitized photoelectrochemical cells (DSPECs) incorporating a family of ruthenium complexes [Ru II (bipyP)(bipy) 2 ] (P1), [Ru II (bipyP)(dmb) 2 ] (P2), [Ru II (bipyP)(dtbb) 2 ] (P3) and [Ru II (bipyP)(d...
Okta Suryani, Yuta Higashino, Haruka Sato, Yuji Kubo
ACS Applied Energy Materials   2(1) 448-458   Jan 2019   [Refereed]
Mitsuki Hoshi, Naoyoshi Kaneko, Ryuhei Nishiyabu, Yuji Kubo
Journal of Materials Chemistry C   6 11052-11062   Nov 2018
© 2018 The Royal Society of Chemistry. [2+2] Macrocycles composed of two tetraphenylethylenes (TPEs) and two linkers, namely 1a (R = H) and 1b (R = NO2), were prepared in a facile manner through the one-pot dehydration of gem-di(boronic acid)-appe...
Mika Nakashima, Keita Iizuka, Masanobu Karasawa, Kazuyuki Ishii, Yuji Kubo
Journal of Materials Chemistry C   6 6208-6215   May 2018   [Refereed]
© 2018 The Royal Society of Chemistry. In this study, two new selenium-containing BODIPY dyes were synthesized as photosensitizers for triplet-triplet annihilation upconversion (TTA-UC). Bis(phenylselanyl)-BODIPY 1 absorbed visible light at 518 nm...
Yuji Kubo, Shun Tobinaga, Yoshihide Ueno, Tatsuya Aotake, Hidenori Yakushiji, Tatsuya Yamamoto
Chemistry Letters   47 300-303   Mar 2018   [Refereed]
© 2018 The Chemical Society of Japan. The steep demand for developing photodetectors with NIR absorption led us to prepare monolayer devices composed of indium tin oxide, NIR dibenzo-BODIPYs with naphtho[1,3,2]-oxazaborinines 1 or 2, and Al. When ...
Ryuhei Nishiyabu, Miku Tomura, Tomo Okade, Yuji Kubo
New Journal of Chemistry   42 7392-7398   Mar 2018
© 2018 The Royal Society of Chemistry and the Centre National de la Recherche Scientifique. Boronic acids are proposed to be used as molecular inks. This allows chemical modification of the surface of polyvinyl alcohol (PVA) and PVA-related materi...
Indra Purnama, Yuji Kubo, Yuji Kubo, Jacob Yan Mulyana, Jacob Yan Mulyana
Inorganica Chimica Acta   471 467-474   Feb 2018   [Refereed]
© 2017 Elsevier B.V. Stability, electrochemical and photoelectrochemical studies of a new ruthenium polypyridyl complex [Ru(nbipy)2(bipydipa)]2+(P2), where nbipy = 4,4′-dinonyl-2,2′-bipyridine and bipydipa = 2,2′-bipyridine-4,4′-diphosphonic acid,...
Yuji Kubo, Ryuhei Nishiyabu
Polymer   128 257-275   Oct 2017
© 2017 Elsevier Ltd Polymer-based materials with white-light emission have attracted much attention because of their potential applications as organic light-emitting diodes (OLEDs) and bright sensor materials. Synthesizing one polymer to cover the...
Meiko Kawai, Ayaka Hoshi, Ryuhei Nishiyabu, Yuji Kubo
Chemical Communications   53 10144-10147   Aug 2017   [Refereed]
© 2017 The Royal Society of Chemistry. Chiral ensembles were spontaneously formed in solution through boronate esterification of structurally defined di(boronic acid)-appended tetraphenylethylene (DB-TPE) and commercially available l- or d-tartari...
Sule Erten-Ela, Yoshihide Ueno, Takuro Asaba, Yuji Kubo
New Journal of Chemistry   41 10367-10375   Aug 2017   [Refereed]
© 2017 The Royal Society of Chemistry and the Centre National de la Recherche Scientifique. For the application of metal-free organic sensitizers in dye-sensitized solar cells (DSSCs), a boron dibenzopyrromethene (dibenzo-BODIPY)-conjugated phenot...
Okta Suryani, Yuta Higashino, Jacob Yan Mulyana, Jacob Yan Mulyana, Masayoshi Kaneko, Takayuki Hoshi, Koichiro Shigaki, Yuji Kubo, Yuji Kubo
Chemical Communications   53 6784-6787   Jun 2017   [Refereed]
© 2017 The Royal Society of Chemistry. Dye-sensitized photoelectrochemical cells (DSPECs) composed of a new near-infrared BODIPY dye D1 that is co-deposited with a ruthenium water oxidation catalyst C1 have been fabricated. The devices at pH 7.2 s...
Yusuke Satta, Ryuhei Nishiyabu, Tony D. James, Yuji Kubo
Tetrahedron   73 2053-2061   Apr 2017   [Refereed]
© 2017 Elsevier Ltd Our interest in the functionalization of [sbnd]OH-substituted azaborines prompted us to synthesize a 1-hydroxy-2,3,1-benzodiazaborine conjugated with 1,8-naphthalimide 1. Its fluorescence was dramatically affected by the nature...
Ryuhei Nishiyabu, Shunsuke Iizuka, Saika Minegishi, Hiroaki Kitagishi, Yuji Kubo
Chemical Communications   53 3563-3566   Mar 2017   [Refereed]
© The Royal Society of Chemistry. Surface modification of a polyvinyl alcohol sponge with functionalized boronic acids led to the formation of porous materials applicable for multicolor emission, chemical sensing and 3D cell culture.
Yuji Kubo, Ryuhei Nishiyabu
Polymer   110 158-176   Feb 2017
© 2017 Elsevier Ltd Polymer-based materials with white-light emission have attracted much attention because of their potential applications as organic light-emitting diodes (OLEDs) and bright sensor materials. Synthesizing one polymer to cover the...
Kaori Sakakibara, Yuki Takahashi, Ryuhei Nishiyabu, Yuji Kubo
Journal of Materials Chemistry C   5 3684-3691   Feb 2017   [Refereed]
© The Royal Society of Chemistry. Driven by our motivation to develop a chemodosimeter for the visual detection of hydrogen peroxide (H2O2), we synthesized for the first time a dipyrrin (1) with 4-pinacolborylbenzyloxy groups. An EtOH solution of ...
Tsuyoshi Minami, Tsuyoshi Minami, Fereshteh Emami, Ryuhei Nishiyabu, Yuji Kubo, Pavel Anzenbacher
Chemical Communications   52 7838-7841   May 2016   [Refereed]
©2016 The Royal Society of Chemistry. Self-assembled colorimetric sensors have been prepared from ZnII-DPA-attached phenylboronic acid (1·Zn) and catechol-type dyes. The 1·Zn-dye sensors display selectivity towards oligophosphate over monophosphat...
Sho Yamazawa, Mika Nakashima, Yukie Suda, Ryuhei Nishiyabu, Yuji Kubo
Journal of Organic Chemistry   81 1310-1315   Feb 2016
© 2016 American Chemical Society. 2,3-Naphtho-fused boron-dipyrromethenes (BODIPYs) 1a and 1b, which absorb near-infrared light at 740-770 nm with molar extinction coefficients above 105M-1cm-1in THF, have been synthesized through a palladium(II)-...
Yuji Kubo, Daiki Kakizaki, Makiko Kogo, Yasuhiro Magatani
Supramolecular Chemistry   28 91-97   Feb 2016   [Refereed]
© 2015 Taylor & Francis. The sequential dehydration reaction of benzene-1,4-diboronic acid with pentaerythritol in the presence of polyethyleneimine (PEI) led to polymeric 3-benzo-2,4,8,10-tetraoxa- 3,9-diboraspiro[5.5]undecane, resulting in the...
Yuji Kubo, Ryuhei Nishiyabu
Monographs in Supramolecular Chemistry   2016-January 361-388   Jan 2016
© The Royal Society of Chemistry 2016. There is great interest in materials science in the development of hierarchical self-assemblies with well-defined topologies, because their properties are greatly modified or completely different from those o...

Misc

 
Yuji Kubo, Ryuhei Nishiyabu, Tony D. James
Chemical Communications   51 2005-2020   Feb 2015
© The Royal Society of Chemistry 2015. Current progress on hierarchical supramolecules using boronic acids has been highlighted in this feature article. Boronic acids can participate in "click reactions" with diols and their congeners with dynamic...
Ayumi Ozawa, Ai Shimizu, Ryuhei Nishiyabu, Yuji Kubo
Chemical Communications   51 118-121   Jan 2015
© 2015 The Royal Society of Chemistry. Boronate nanoparticles with built-in tetraphenylethylene (TPE) have been prepared. Their emissive color tuning by altering the amount of rhodamine B grafted onto the surface gave white-light emissive nanopart...
Ryuhei Nishiyabu, Shiho Ushikubo, Yuka Kamiya, Yuji Kubo
Journal of Materials Chemistry A   2 15846-15852   Oct 2014
© the Partner Organisations 2014. A multicolor fluorescent hydrogel sensor containing two types of fluorescent dyes with an amidoquinoline receptor unit and a rhodamine chromophore covalently incorporated into a polyvinyl alcohol-boronate matrix w...
Yuji Kubo, Sumio Maruyama, Noriko Ohhara, Minoru Nakamura, Sumio Tokita
Journal of the Chemical Society, Chemical Communications   1727-1728   Dec 1995
The synthesis of a new type of chromogenic calixarene, an indophenol- and binaphthylderived calix[4]crown 1, and its novel sensory system for the shape of butylamines, are described.
Yuji Kubo, Shinji Aramaki, Yuko Okamoto, Tetsuo Murayama
Journal of the Chemical Society, Chemical Communications   969-970   Dec 1995
Naphthoquinone methide dyes show a large Pockels coefficient at 1.3 μm when poled in a polymer matrix: the second-order nonlinear hyperpolarizability (μβ) values obtained from Pockels coefficients that appear after poling in a constant electric fi...
Yuji Kubo, Shin'Ya Maeda, Minoru Nakamura, Sumio Tokita
Journal of the Chemical Society, Chemical Communications   1725-1726   Dec 1994
A new type of chromoionophore, mono(indoaniline)-derived calix[6]arene 1, has been synthesized, which shows a selective UO22+ion-induced pronounced colour change (wavelength change ca. 60 nm) with increasing absorption intensity in 99% EtOH at 25°...
Yuji Kubo, Shin Ichi Hamaguchi, Atsuko Niimi, Katsuhira Yoshida, Sumio Tokita
Journal of the Chemical Society, Chemical Communications   305-307   Dec 1993
A new chromogenic artificial receptor, a 1,3-bis(indoaniline)-derived calix[4]arene, has been prepared, the ethyl acetate derivative of which shows a selective Ca 2+ -induced pronounced colour change (wavelength change >100 nm) with an association...
Katsuhira Yoshida, Norio Oga, Michiko Kadota, Yoko Ogasahara, Yuji Kubo
Journal of the Chemical Society, Chemical Communications   1114-1115   Dec 1992
New pyridocarbazole quinonoid-type colour formers that can immediately produce intense absorption bands in the near-IR region on simultaneous metal chelate complexation-oxidation processes are synthesised.
Yuji Kubo, Hiroshi Yasuoka, Katsuhira Yoshida
Journal of the Chemical Society, Chemical Communications   1253-1254   Dec 1990
New indoaniline-type near-IR colour formers were prepared as stable compounds, producing intense absorption bands immediately in the near-IR region on metal chelate complexation-oxidation, the spectral characteristics of which were investigated by...
Yuji Kubo, Minoru Kuwana, Katsuhira Yoshida, Yasuko Tomotake, Takao Matsuzaki, Shuichi Maeda
Journal of the Chemical Society, Chemical Communications   35-37   Jan 1989
The introduction of an acetylamino group at the 2′-position in the aniline ring of a naphthoquinone methide dye produced a red shift with a large increase in the molecular extinction coefficient in CHCI<inf>3</inf> solution, and an intramolecular ...
Katsuhira Yoshida, Tetsunao Koujiri, Norio Oga, Miwa Ishiguro, Yuji Kubo
Journal of the Chemical Society, Chemical Communications   708-710   Jan 1989
The reactions of sodium 1,2-naphthoquinone-4-sulphonate with various arylamines and 1,1-bis[p-(dimethylamino)phenyl]ethylene were efficiently promoted by nickel(II) ions to give 4-aminated, 4-arylated, and 4-vinylated 1,2-naphthoquinones with abso...
Yuji Kubo, Minoru Kuwana, Ken Okamoto, Katsuhira Yoshida
Journal of the Chemical Society, Chemical Communications   855-857   Jan 1989
New di-iminonaphthalene type near-i.r. dyes are conveniently synthesized by condensing 1-naphthylcyanamide with p-N,N-dialkylaminoanilines in the presence of an oxidising agent; their absorption properties are discussed.
Yuji Kubo, Hisa Kataoka, Katsuhira Yoshida
Journal of the Chemical Society, Chemical Communications   1457-1458   Jan 1988
New nickel(II) complex dyes containing N,N-bidentate pyrido[2,3-a] phenothiazine-type ligands have been prepared; these dyes have an intense near-infrared absorption band in the range of 782-838 nm.

Books etc

 
Boron; Sensing, Synthesis and Supramolecular Self-Assembly, Monograph in Supramolecular Chemistry
Yuji Kubo, Ryuhei Nishiyabu (Part:Contributor, Boronate microparticles: preparation, characterisation, and functionalisation)
The Royal Society of Chemistry, Cambridge   2016   

Conference Activities & Talks

 
AIE-active boronate systems for chemosensing applications [Invited]
KUBO Yuji
The 6th International Conference on Molecular Sensors and Molecular Logic Gates   5 Jun 2018   
ボロン酸ユニットを用いた機能性超分子の調製 [Invited]
Yuji Kubo
第49回「工学とバイオ」セミナー   1 Mar 2018   
Hierarchical supramolecules using boronic acid building blocks, The 4th International Seminar of Chemistry [Invited]
KUBO Yuji
The 4th International Seminar of Chemistry,   29 Sep 2017   
A boronate dipyrrin-based chemosensor for visual detection of hydrogen peroxide [Invited]
KUBO Yuji
The 2nd International Caparica Congress on Chromogenic and Emissive Materials   5 Sep 2016   
Near-infrared absorbing dibenzo-BODIPY dyes for application in photovoltaic devices [Invited]
Yuji Kubo
EMN Meeting on Photovoltaics 2016   18 Jan 2016   
Synthesis, Properties, and Applications of NIR-Absorbing Dibenzo-BODIPYs [Invited]
Yuji Kubo
The 7th East Asia Symposium on Functional Dyes and Advanced Materials   2 Sep 2015   
Boron- containing functional systems; preparation and their characterization [Invited]
Yuji Kubo
Gadjah Mada University   22 May 2015   
Boronate self-assembles; from sensor ensembles to microparticles [Invited]
Yuji Kubo
Chemonostics: Chemical receptors in the development of simp le diagnostic devices   28 Nov 2013