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2005”N3ŒŽ@’†‰›‘åŠw—HŠw•”‰ž—p‰»Šw‰È‘²‹ÆiÎˆä—mˆê‹³Žöj

2007”N3ŒŽ@“Œ‹ž‘åŠw‘åŠw‰@HŠwŒnŒ¤‹†‰È‰»Šw¶–½HŠwêUCŽm‰Û’öC—¹ia•”—TŽi‹³Žöj

2010”N3ŒŽ@“Œ‹ž‘åŠw‘åŠw‰@HŠwŒnŒ¤‹†‰È‰»Šw¶–½HŠwêU”ŽŽm‰Û’öC—¹ia•”—TŽi‹³Žöj

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2008”N4ŒŽ@“ú–{ŠwpU‹»‰ï“Á•ÊŒ¤‹†ˆõiDC2j

2010”N5ŒŽ@ƒCƒXƒ‰ƒGƒ‹, WeizmannŒ¤‹†Š@”ŽŽmŒ¤‹†ˆõiDavid Milstein‹³Žöj

2010”N8ŒŽ@•ªŽq‰ÈŠwŒ¤‹†Š “‡ƒoƒCƒI“¡ˆäG@”ŽŽmŒ¤‹†ˆõ

2011”N4ŒŽ@“Œ‹ž‘åŠw‘åŠw‰@—ŠwŒnŒ¤‹†‰È@“Á”CŒ¤‹†ˆõ

2016”N4ŒŽ@“Œ‹ž‘åŠw‘åŠw‰@HŠwŒnŒ¤‹†‰È@“Á”CŒ¤‹†ˆõ

Publications

(1) Synthesis of Tellurido-Bridged IrPt2, IrPd2, and IrPtPd Clusters by Inserting Zero-Valent Pt and Pd Centers into Te-C Bonds

Takafumi Nakagawa, Hidetake Seino, Shoken Nagao, Yasushi Mizobe

Angew. Chem. Int. Ed. 2006, 45, 7758–7762.

 

(2) A Series of Multinuclear Homo- and Heterometallic Complexes with Bridging Tellurolato Ligands Derived from [Cp*Ir(CO)(TeTol)2] (Cp* = η5-C5Me5, Tol = p-tolyl)

Takafumi Nakagawa, Hidetake Seino, Yasushi Mizobe

J. Organomet. Chem. 2010, 695, 137–144.

 

(3) Reactions of Bis(chalcogenolato) Complexes [(η5-C5Me5)Ir(CO)(ETol)2] (E = Se, S; Tol = p-Tolyl) with [Pt(PPh3)3]. Formation of Tri- or Dinuclear Mixed-Metal Complexes with Bridging Chalcogenido or Chalcogenolato Ligands

Takafumi Nakagawa, Hidetake Seino, Yasushi Mizobe

Organometallics 2010, 29, 2254–2259.

 

(4) Small Molecule Solution-Processed Bulk Heterojunction Solar Cells with Inverted Structure Using Porphyrin Donor

Takaki Yamamoto, Junichi Hatano, Takafumi Nakagawa, Shigeru Yamaguchi, Yutaka Matsuo

Appl. Phys. Lett. 2013, 102, 013305. [DOI: 10.1063/1.4773910]

 

(5) Addition of Dihydromethano Group to Fullerenes for Improving the Performance of Bulk Heterojunction Organic Solar Cells

Yutaka Matsuo, Junya Kawai, Hiroshi Inada, Takafumi Nakagawa, Hitoshi Ota, Saika Otsubo, Eiichi Nakamura

Adv. Mater. 2013, 25, 6266–6269. [DOI: 10.1002/adma.201302607]

 

(6) Mixture of [60] and [70]PCBM Giving Morphological Stability in Organic Solar Cells

Yoshihide Santo, Il Jeon, Kee Sheng Yeo, Takafumi Nakagawa, Yutaka Matsuo

Appl. Phys. Lett. 2013, 103, 073306. [DOI: 10.1063/1.4818726]

 

(7) Synthesis, Photophysical Properties, and Excited State Dynamics of Platinum Complex of Tetracene Imide Disulfide

Takafumi Nakagawa, Tsuyoshi Suzuki, Matthias König, Dirk M. Guldi, Yutaka Matsuo

Chem. Commun. 2013, 49, 10394–10396. [DOI: 10.1039/C3CC46068A]

 

(8) cis-Substituted Tetraethynylporphyrin Derivatives for Small Molecule Organic Solar Cells

Yutaka Matsuo, Junichi Hatano, Takafumi Nakagawa

J. Phys. Org. Chem. 2014, 27, 87–93. [DOI: 10.1002/poc.3241]


(9) Divergent Synthesis and Tuning of the Electronic Structures of Cobalt–Dithiolene–Fullerene Complexes for Organic Solar Cells
Yutaka Matsuo, Keisuke Ogumi, Masashi Maruyama, Takafumi Nakagawa
Organometallics 2014, 33, 659–664. [DOI: 10.1021/om400796p]

 

(10) Influence of Additives in Bulk Heterojunction Solar Cells Using Magnesium Tetraethynylporphyrin with Triisopropylsilyl and Anthryl Substituents

Takafumi Nakagawa, Junichi Hatano, Yutaka Matsuo

Journal of Porphyrins and Phthalocyanines 2014, 18, 735–740. (Prof. Nagao Kobayashi special issue) [DOI: 10.1142/S1088424614500655]

 

(11) Electronic Infrared Light Absorption of Tri-palladium Complex Containing Two π-Expanded Tetracene Ligands

Tsuyoshi Suzuki, Takafumi Nakagawa, Kei Ohkubo, Shunichi Fukuzumi, Yutaka Matsuo

Chem. Sci. 2014, 5, 4888–4894. [DOI: 10.1039/C4SC02018A]

 

(12) Approach to High Open-circuit Voltage in Organic Solar Cells Utilizing Structural Change of Oxazolino-C70 Derivative
Shu-Hui Li, Zong-Jun Li, Takafumi Nakagawa, James W. Ryan, Yutaka Matsuo, Xiang Gao
Chem. Eur. J. 2015, 21, 1894–1899. [DOI: 10.1002/chem.201405890]
 
(13) Diporphyrin Magnesium Complex with Long-Wavelength Light Absorption for Organic Solar Cells
Takenari Sato, Takafumi Nakagawa, Hiroshi Okada, Yutaka Matsuo
J. Porphyrins Phthalocyanines 2015, 19, 451. (Prof. Shunichi Fukuzumi special issue) [DOI: 10.1142/S1088424615500303]

 

(14) A V-Shaped Polyaromatic Amphiphile: Solubilization of Various Nanocarbons in Water and Enhanced Photostability

Kei Kondo, Munetaka Akita, Takafumi Nakagawa, Yutaka Matsuo, Michito Yoshizawa

Chem. Eur. J. 2015, 21, 12741–12746.

 

(15) Enhancement of Open-Circuit Voltage by Using the 58-π Silylmethyl Fullerenes in Small-Molecule Organic Solar Cells
Il Jeon, Clément Delacou, Takafumi Nakagawa, Yutaka Matsuo
Chem. Asian J. 2016, 11, 1268–1272. [DOI: 10.1002/asia.201501400]
 
(16) Stability of Diketopyrrolopyrrole Small-Molecule Inverted Organic Solar Cells
Il Jeon, Ryohei Sakai, Takafumi Nakagawa, Hiroki Setoguchi, Yutaka Matsuo
Org. Electron. 2016, 35, 193–198. [DOI: 10.1016/j.orgel.2016.05.022]
 
(17)  Multifunctionalization of C70 at the Two Polar Regions with a High Regioselectivity via Oxazolination and Benzylation Reactions
Shu-Hui Li, Zong-Jun Li, Takafumi Nakagawa, Il Jeon, Zheng Ju, Yutaka Matsuo, Xiang Gao
Chem. Commun. 2016, 52, 5710–5713. [DOI: 10.1039/C6CC00997B].

 

(18) Enhancement of Fill Factor in Air-processed Inverted Organic Solar Cells using Self-Assembled Monolayer of Fullerene Catechol

Il Jeon, Keisuke Ogumi, Takafumi Nakagawa, Yutaka Matsuo

Jpn J. Appl. Phys. 2016, 55, 082301. [DOI: 10.7567/JJAP.55.082301]

 

(19) Regio- and Stereo-selective Intermolecular [2+2] Cycloaddition of Allenol Esters with C60 Leading to Alkylidenecyclobutane-annulated Fullerenes
Mitsuhiro Ueda, Tsukasa Sakaguchi, Miho Hayama, Takafumi Nakagawa, Yutaka Matsuo, Aiko Munechika, Shunsuke Yoshida, Hiroshi Yasuda, Ilhyong Ryu
Chem. Commun. 2016, 52, 13175-13178. [DOI: 10.1039/c6cc07320d]

 

(20) Fullerene Cations-mediated Demethylation/Cyclization to 5- and 7-Membered Cyclo[60]fullerene Derivatives

Yutaka Matsuo, Keisuke Ogumi, Ying Zhang, Hiroshi Okada, Takafumi Nakagawa, Hiroshi Ueno, Akiko Gocho, and Eiichi Nakamura
J. Mater. Chem. A 2017, 5, 2774–2783 . [DOI: 10.1039/C6TA10319G]

 

(21) Indium Tin Oxide-free Small Molecule Organic Solar Cells using Single-Walled Carbon Nanotube Electrodes

Clément Delacou, Il Jeon, Seungju Seo, Takafumi Nakagawa, Esko I. Kauppinen, Shigeo Maruyama, and Yutaka Matsuo

ECS J. Solid State Sci. Technol. 2017, 6, M3181–M3184. (Sir Harry Kroto memorial issue) [DOI: 10.1149/2.0311706jss]

 

(22) Regiocontrolled Electrosynthesis of [60]Fullerene Bisadducts: Photovoltaic Performance and Crystal Structures of C60 o]Quinodimethane Bisadducts

Zong-Jun Li, Sisi Wang, Shu-Hui Li, Tao Sun, Wei-Wei Yang, Kazutaka Shoyama, Takafumi Nakagawa, Il Jeon, Xiaoniu Yang, Yutaka Matsuo, Xiang Gao

J. Org. Chem. 2017, 82, 8676–8685. [DOI: 10.1021/acs.joc.7b01732]

 

(23) Substituents Effect in Magnesium Tetraethynylporphyrin with Two Diketopyrrolopyrrole Units for Bulk Heterojunction Organic Solar Cells

Keisuke Ogumi (+), Takafumi Nakagawa (+), Hiroshi Okada, Ryohei Sakai, Huan Wang, Yutaka Matsuo (contributed equally)

J. Mater. Chem. A 2017, 5, 23067–23077. [DOI: 10.1039/C7TA07576F] (+: contributed equally)

 

(24) A Fluorenylidene-Acridane That Becomes Dark in Color upon Grinding – Ground State Mechanochromism by Conformational Change

Tsuyoshi Suzuki, Hiroshi Okada, Takafumi Nakagawa, Kazuki Komatsu, Chikako Fujimoto, Hiroyuki Kagi, Yutaka Matsuo

Chem. Sci. 2018, 9, 475–482. [DOI: 10.1039/c7sc03567e]

 

(25) A Helically-Twisted Ladder Based on 9,90-Bifluorenylidene: Synthesis, Characterization, and Charge Transport Properties

Jinjia Xu, Atsuro Takai, Alisa Bannaron, Takafumi Nakagawa, Yutaka Matsuo, Manabu Sugimoto, Yoshitaka Matsushita, Masayuki Takeuchi

Mater. Chem. Front. 2018, 2, 780–784. [DOI: 10.1039/c7qm00583k

 

(26) Engineering High-performance and Air-stable PBTZT-stat-BDTT-8:PC61BM/PC71BM Organic Solar Cells

Il Jeon, Ryohei Sakai, Seungju Seo, Graham E. Morse, Hiroshi Ueno, Takafumi Nakagawa, Yang Qian, Shigeo Maruyama, Yutaka Matsuo

J. Mater. Chem. A 2018, 6, 5746–5751. [DOI: 10.1039/C7TA11095B]

 

(27) Enhanced Electrical Conduction in Anatase TaON via Soft Chemical Lithium Insertion towards Electronics Application

Atsushi Suzuki, Yasushi Hirose, Takafumi Nakagawa, Satoshi Fujiwara, Shoichiro Nakao, Yutaka Matsuo, Isao Harayama, Daiichiro Sekiba, Tetsuya Hasegawa

ACS Appl. Nano Mater. 2018, 1, 3981–3985. [DOI: 10.1021/acsanm.8b00750]

 

(28) Magnesium Tetra(phenylethynyl)porphyrin: Stepwise Synthetic Route, Crystal Structures, and Longer Singlet Excited State Lifetime than Zinc Congener

Takafumi Nakagawa, Huan Wang, Anna Zieleniewska, Hiroshi Okada, Shinobu Aoyagi, Dirk M. Guldi, Yutaka Matsuo

Chem. Asian J. 2018, 13, 3032–3039. [DOI: 10.1002/asia.201800994]

 

(29) Reduced Knoevenagel Reaction of Acetetracenylene-1,2-dione with Acceptor Units for Luminescent Tetracene Derivatives

Yutaka Matsuo, Chu-Guo Yu, Takafumi Nakagawa, Hiroshi Okada, Hiroshi Ueno, Tian-Ge Sun, Yu-Wu Zhong

J. Org. Chem. 201984, 2339–2345. [DOI: 10.1021/acs.joc.8b03083]

 

(30) Star-shaped Magnesium Tetraethynylporphyrin Bearing Four Peripheral Electron-accepting Diketopyrrolopyrrole Functionalities for Organic Solar Cells

Huan Wang (+), Qihui Yue (+), Takafumi Nakagawa (+), Anna Zieleniewska (+), Hiroshi Okada, Keisuke Ogumi, Hiroshi Ueno, Dirk M. Guldi*, Xiaozhang Zhu, Yutaka Matsuo

J. Mater. Chem. A 20197, 4072–4083. [DOI: 10.1039/c8ta10710f] (+: contributed equally)

 

(31) High-Working-Pressure Sputtering of ZnO for Stable and Efficient Perovskite Solar Cells

Abhishek Thote, Il Jeon, Hao-Sheng Lin, Sergei Manzhos, Takafumi Nakagawa, Donguk Suh, Junho Hwang, Makoto Kashiwagi, Junichiro Shiomi, Shigeo Maruyama*, Hirofumi Daiguji, Yutaka Matsuo

ACS Appl. Electron. Mater. 20191, 389–396. [DOI: 10.1021/acsaelm.8b00105] (Selected as a Cover Art)

 

(32) Mechanochromism, Twisted/Folded Structures Determination, and Derivatization of N-Phenyl Fluorenylidene-Acridane

Yutaka Matsuo, Ya Wang, Hiroshi Ueno, Takafumi Nakagawa, Hiroshi Okada

Angew. Chem. Int. Ed. 201958, 8762–8767. [DOI: 10.1002/anie.201902636]

 

(33) Improved Solubility of Asymmetric Tetraethynylporphyrin Derivatives for Solution-processed Organic Solar Cells

Keisuke Ogumi, Takafumi Nakagawa, Hiroshi Okada, Yutaka Matsuo

Org. Electron. 201971, 50–57. [DOI: 10.1016/j.orgel.2019.04.036]

 

(34) Dialkoxymethano[60]fullerenes as Electron Acceptors in Thin-film Organic Solar Cells

Mohammed Y. Suleiman, Yue Ma, Takafumi Nakagawa, Hiroshi Ueno, and Yutaka Matsuo

Tetrahedron 2019, in press.

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