102. Topochemical Synthesis and Photocatalytic Activity of Layered K2LaTa2O6N Using CsLaTa2O7 Precursor Prepared by Flux Method
Hideya Tsuchikado, Yuki Kinoshita, Masashi Hattori, Megumi Okazaki, Takuto Soma, Fumitaka Ishiwari, Michikazu Hara, Akinori Saeki, *Kazuhiko Maeda
Inorg. Chem. 2025, 64, 24256–24263 (DOI:10.1021/acs.inorgchem.5c04858).
101. Synergistic Laser-Induced Crystallization of C60 Fullerene in Solutions
Wataru Fushimoto, Hozumi Takahashi, Fumitaka Ishiwari, Itsuo Hanasaki, Mihoko Maruyama, Ryo Suzuki, Masaru Tachibana, *Teruki Sugiyama, *Hiroshi Y. Yoshikawa
ACS Applied Nano Materials. 2025, 8, 22993–23003 (DOI:10.1021/acsanm.5c04035).
100. Chiral Bifacial Non-Fullerene Acceptors with Chirality-Induced Spin Selectivity: A Homochiral Strategy to Improve Organic Solar Cell Performance
Shuang Li, *Fumitaka Ishiwari, Shaoxian Li, Yumi Yakiyama, *Akinori Saeki
Angew. Chem. Int. Ed. 2025, In press (DOI:10.1002/anie.202518505).
=> JSTプレスリリース「左右の手のように異なる“キラル”分子構造が、太陽電池の性能を高める鍵に～CISS効果によるスピン選択的電荷輸送を活用した新たな戦略を提案～」
=> Selected as "Hot Paper"
99. Design of simple-structured conjugated polymers for organic solar cells by machine learning-assisted structural modification and experimental validation
Shogo Tadokoro, Ryosuke Kamimura, Fumitaka Ishiwari, Akinori Saeki
Digital Discovery 2025, 4, 3774–3781. (DOI:10.1039/d5dd00418g).
98. Topochemical synthesis of mesoporous TiO2 co-doped with nitrogen and fluorine for improved photocatalytic O2 evolution under visible light
Shuwei Liu, Ryosuke Nishikubo, Fumitaka Ishiwari, Xian Zhang, Megumi Okazaki, Shunsuke Nozawa, Akinori Saeki, Kazuhiko Maeda
Nanoscale Horizons 2025, In press (DOI:10.1039/D5NH00584A).
97. Organic Photovoltaics of Regiorandom Copolymers Composed of Unsymmetric Diketopyrrolopyrrole with Different Alkyl Chain Lengths
Ryosuke Kamimura, Fumitaka Ishiwari, Akinori Saeki
ACS Omega 2025, 10, 56511–56519. (DOI:10.1021/acsomega.5c08610).
96. Facile π-extension of boron-doped polycyclic aromatic hydrocarbons by frustrated Lewis pair alkynylation
Ke-Wei Chang, Ting-Yi Lai, To-Jen Chin, Mandala Anitha, Yi-Hung Liu, Fumitaka Ishiwari, Akinori Saeki, Jeffrey M. Farrell
Chem. Commun. 2025, 61, 19832–19835. (DOI:10.1039/D5CC05480J).
95. Self-assembly behaviour of telechelic polyethylene glycol with triptycene termini capable of two-dimensional ordering
Fumitaka Ishiwari*, Yugen Chen, Tomoya Fukui*, Takashi Kajitani, Takanori Fukushima*
J. Mater. Chem. C 2025, 13, 19693–19698. (DOI:10.1039/D5TC02652K).
=> Invited to "Honorary collection in memory of Professor Dr Helmut Ringsdorf" Issue.
94. Nanoscale Control of Aggregation-Induced Emission and Second Harmonic Generation in a Dicyano Distyrylbenzene-Appended Polymer Using Optical Trapping
Shun-Fa Wang,* Kuan-Chih Tseng, Mahiro Nakabayashi, Shotaro Hayashi, Fumitaka Ishiwari, Teruki Sugiyama*
J. Phys. Chem. B 2025, 129, 8065–8072 (DOI:10.1021/acs.jpcb.5c04092).
93. Fibrous Pb(II)-Based Coordination Polymer Operable as a Photocatalyst and Electrocatalyst for High-Rate, Selective CO2-to-Formate Conversion
Chomponoot Suppaso, Ryosuke Nakazato, Shoko Nakahata, Yoshinobu Kamakura, Fumitaka Ishiwari, Akinori Saeki, Daisuke Tanaka, Kazuhide Kamiya, Kazuhiko Maeda*
Adv. Funct. Mater. 2025, 55, 2417223 (DOI:10.1021/adfm.202417223).
92. Mesoporous Oxyhalide Aggregates Exhibiting Improved Photocatalytic Activity for Visible-Light H2 Evolution and CO2 Reduction
Hiroto Ueki, Toshiya Tanaka, Shuji Anabuki, Ryuichi Nakada, Megumi Okazaki, Kenta Aihara, Masashi Hattori, Fumitaka Ishiwari, Rie Haruki, Shunsuke Nozawa, Toshiyuki Yokoi, Michikazu Hara, Osamu Ishitani,* Akinori Saeki, Akira Yamakata, Kazuhiko Maeda*
ACS Catalysis. 2025, 15, 12551–12562 (DOI:10.1021/acscatal.5c02229)
91. Effects of Metal-Cation Doping on Photocatalytic H2 Evolution Activity of Layered Perovskite Oxynitride K2LaTa2O6N
Hideya Tsuchikado, Shuji Anabuki, Ovidiu Cretu, Yuki Kinoshita, Masashi Hattori, Yuta Shiroma, Dongxiao Fan, Megumi Okazaki, Takuto Soma, Fumitaka Ishiwari, Shunsuke Nozawa, Toshiyuki Yokoi, Michikazu Hara, Koji Kimoto, Akira Yamakata, Akinori Saeki, Kazuhiko Maeda
ACS Appl. Energy Mater. 2025, 8, 3541–3552. (DOI:10.1021/acsaem.4c03131)
90. Homochiral Carboxylate-Anchored Truxene Tripods: Design, Synthesis, and Monolayer Formation on Ag(111)
*Fumitaka Ishiwari, Takuya Omine, Akinori Saeki, Kirsty Munro, *Manfred Buck, *Michael Zharnikov
Chem. Eur. J. 2025, 31, e202404750 (DOI:10.1002/chem.202404750)
89. Mechanochemical pretreatment of tin iodide perovskite precursors: effects of grinding temperature and time on solar cell performance
Tingting Liu, Sungwoon Cho, Ryosuke Nishikubo, Mikhail Pylnev, Fumitaka Ishiwari, Atsushi Wakamiya and Akinori Saeki
EES Sol. 2025, 1, 78-88 (DOI:10.1039/D4EL00034J)
88. Birefringence inversion in liquid crystalline poly(substituted methylene)s bearing side-on mesogens
Masamichi Kiyoura, Hiroyuki Kudo, Keiki Inoue, Fumitaka Ishiwari, Takanori Fukushima, Naruki Kurokawa, Masatoshi Tokita
J. Mater. Chem. C 2025, 13, 4651–4657. (DOI:10.1039/D4TC05034G)
87. Significant Effect of Crystallization of Polymeric Carbon Nitride on Photoconductivity and Photocatalytic Activity for Visible-Light CO2 Reduction
Toshiya Tanaka, Chao Zhang, Ryuichi Nakada, Jo Onodera, Fumitaka Ishiwari, Megumi Okazaki, Akinori Saeki, *Osamu Ishitani, *Guigang Zhang, *Kazuhiko Maeda
CCS Chem. 2024, 6, 2940-2949 (DOI:10.31635/ccschem.024.202404964)
86. Fibrous Pb(II)‐Based Coordination Polymer Operable as a Photocatalyst and Electrocatalyst for High‐Rate, Selective CO2‐to‐Formate Conversion
Chomponoot Suppaso, Ryosuke Nakazato, Shoko Nakahata, Yoshinobu Kamakura, Fumitaka Ishiwari, Akinori Saeki, Daisuke Tanaka, Kazuhide Kamiya, Kazuhiko Maeda
Adv. Funct. Mater. 2024, in press, 2417223 (DOI:10.1002/adfm.202417223).
85. Molecular models of PM6 for non-fullerene acceptor organic solar cells: How DAD and ADA structures impact charge separation and charge recombination
Puttipong Pananusorn, Hikaru Sotome, Hiroki Uratani, Fumitaka Ishiwari, Khamphee Phomphrai, Akinori Saeki
J. Chem. Phys. 2024, 161, 184710 (DOI:10.1063/5.0227785).
84. Performance Boost by Dark Electro Treatment in MACl-Added FAPbI3 Perovskite Solar Cells
M. Pylnev, R. Nishikubo, F. Ishiwari, A. Wakamiya, A. Saeki
Adv. Opt. Mater. 2024, In press (DOI:10.1002/adom.202401902).
83. Inner-Bond-Cleavage Approach to Figure-Eight Macrocycles from Planar Aromatic Hydrocarbons
R. Yoshina, J. Hirano, E. Nishimoto, Y. Sakamoto, K. Tajima, S. Minabe, M. Uyanik, K. Ishihara, T. Ikai, E. Yashima, T. Omine, F. Ishiwari, A. Saeki, J. Kim, J. Oh, D. Kim, G. Liu, T. Yasuda, H. Shinokubo, *N. Fukui
J. Am. Chem. Soc. 2024, 146, 29383–29390 (DOI:10.1021/jacs.4c07985).
82. Peripheral Fusion of Carbon-based Aromatic Rings to B4N4-Heteropentalene Leading to Close π-Stacking in the Solid State
J. Kashida, *Y. Shoji, H. Taka, F. Ishiwari, A. Saeki, T. Fukushima
Chem. Eur. J. 2024, 30, e202402862 (DOI:10.1002/chem.202402862).
81. Chiral bifacial indacenodithiophene-based π-conjugated polymers with chirality-induced spin selectivity
S. Li, *F. Ishiwari, S. Zorn, K. Murotani, M. Pylnev, K. Taniguchi, A. Saeki
Chem. Commun. 2024, 60, 10870–10873 (DOI: 10.1039/D4CC03292F).
=> プレスリリース (2024. 9. 13)「塗るだけで高効率スピン偏極電流を発生させる 新しいキラル半導体高分子を開発」
=> 「化学と工業」(2025年, 1月号)のディビジョントピックスとして紹介 "優れたCISS特性を示すキラル二面性π共役ポリマー"
=> Invited to ChemComm 60th Anniversary Issue.
=> Selected as Front Cover.
80. Evolving bifacial molecule strategy for surface passivation of lead halide perovskite solar cells
Nanaki Minoi, *F. Ishiwari, T. Omine, K. Murotani, R. Nishikubo, A. Saeki
Sustainable Energy Fuels 2024, 8, 4453–4460 (DOI:10.1039/D4SE01096E).
79. Sequential Deposition of Diluted Aqueous SnO2 Dispersion for Perovskite Solar Cells
M. Pylnev, R. Nishikubo, F. Ishiwari, A. Wakamiya, *A. Saeki
Solar RRL 2024, 8, 2400415 (DOI: 10.1002/solr.202400415).
78. Lead(II)-Based Coordination Polymer Exhibiting Reversible Color Switching and Selective CO2 Photoreduction Properties
C. Suppaso, R. Akiyoshi, H. Yamada, Y. Kamakura, F. Ishiwari, K. Ogasawara, A. Saeki, *D. Tanaka, *K. Maeda
Inorg. Chem. 2024, 63, 13644 (DOI:10.1021/acs.inorgchem.4c01883).
77. 2D Hexagonal Assembly of a Dipolar Rotor with a Close Interval of 0.8 nm Using a Triptycene-Based Supramolecular Scaffold
T. Ogawa, *F. Ishiwari, F. Hajjaj, Y. Shoji, T. Kajitani, K. Yazawa, *T. Fukushima
Chem. Sci. 2024, 15, 11021–11028 (DOI:10.1039/d4sc02750g).
76. Synthesis and chiroptical properties of cyclic anthraquinodimethane dimer using Au-templated method
S. Sugiyama, K. Murotani, F. Ishiwari, A. Saeki, H. Kawai, T. Suzuki, *Y. Tsuchido, *Y. Ishigaki
Chem. Lett. 2024, 53, upae102 (DOI:10.1093/chemle/upae102).
75. Photo-Responsive Hydrogen-Bonded Molecular Networks Capable of Retaining Crystalline Periodicity after Isomerization
K. Kasuya, R. Oketani, S. Matsuda, H. Sato, F. Ishiwari, A. Saeki, *I. Hisaki
Angew. Chem. Int. Ed. 2024, 64, e202404700 (DOI:10.1002/anie.202404700).
74. Modification of Visible-Light-Responsive Pb2Ti2O5.4F1.2 with Metal Oxide Cocatalysts to Improve Photocatalytic O2 Evolution toward Z-scheme Overall Water Splitting
Y. Tamura, M. Okazaki, H. Ueki, K. Aihara, T. Kanazawa, D. Fan, R. Haruki, A. Iwase, S. Nozawa, F. Ishiwari, K. Sugimoto, A. Saeki, *K. Maeda
ChemSusChem. 2024, 17, e202400408 (DOI:10.1002/cssc.202400408).
=> Selected as Front Cover.
73. Water-dispersible donor–acceptor–donor π-conjugated bolaamphiphiles enabling a humidity-responsive luminescence color change
T. Enjou, S. Goto, Q. Liu, F. Ishiwari, A. Saeki, T. Uematsu, Y. Ikemoto, S. Watanabe, G. Matsuba, K. Ishibashi, G. Watanabe, S. Minakata, Y. Sagara, *Y. Takeda
Chem. Commun. 2024, 60, 3653-3656 (DOI:10.1039/D3CC05749F).
=> Selected as Back Cover.
72. Triammonium Molecular Tripods as Organic Building Blocks for Hybrid Perovskite Solar Cells
T. Fukui, K. Hofuku, A. Kosaka, N. Minoi, R. Nishikubo, F. Ishiwari, H. Sato, *A. Saeki, *T. Fukushima
Small Struct. 2024, 5, 2300411 (DOI:10.1002/sstr.202300411).
71. Supramolecular nanosheet formation-induced photosensitisation mechanism change of Rose Bengal dye in aqueous media
A. Bunno, *H. Shigemitsu, A. Yoshikawa, Y. Osakada, M. Fujitsuka, F. Ishiwari, A. Saeki, K. Ohkubo, T. Mori, *T. Kida
Chem. Commun. 2024, 60, 889–892 (DOI:10.1039/D3CC05731C).
70. Low-Temperature Microwave-Assisted Hydrothermal Synthesis of Pb2Ti2O5.4F1.2 Photocatalyst for Improved H2 Evolution under Visible Light
C. Suppaso, Y. Kamakura, M. Ueno, S. Hongo, R. Akiyoshi, F. Ishiwari, A. Saeki, *D. Tanaka, *K. Maeda
Solar RRL 2023, 7, 2300710 (DOI:10.1002/solr.202300710). Open Access
69. Exploration of Solution-Processed Bi/Sb Solar Cells by Automated Robotic Experiments Equipped with Microwave Conductivity
C. Nishikawa, R. Nishikubo, F. Ishiwari, *A. Saeki
JACS Au 2023, 3, 3194–3203 (DOI:10.1021/jacsau.3c00519). Open Access
68. Bar Coating Process of Two-Dimensional Lead Iodide Perovskite Solar Cells: Effects of Vertical Orientation, Anisotropic Photoconductivity, and Conversion Time
R. Shimono, R. Nishikubo, M. Pylnev, F. Ishiwari, A. Wakamiya, *A. Saeki
ACS Appl. Energy Mater. 2023, 6, 9381–9389 (DOI: 10.1021/acsaem.3c01329).
67. Low-Temperature Microwave-Assisted Hydrothermal Synthesis of Pb2Ti2O5.4F1.2 Photocatalyst for Improved H2 Evolution under Visible Light
K. Aihara, R. Mizuochi, M. Okazaki, S. Nishioka, S. Yasuda, T. Yokoi, F. Ishiwari, A. Saeki, M. Inada, *K. Maeda
ACS Materials Lett. 2023, 5, 2355–2360 (DOI:10.1021/acsmaterialslett.3c00574).
66. Effective Design for Long-Range Polymer Ordering Using Triptycene-Containing Side Chains
J. Yu, A. Itagaki, Y. Chen, *T. Fukui, F. Ishiwari, T. Kajitani, *T. Fukushima
Macromolecules 2023, 56, 4556–4565 (DOI:10.1021/acs.macromol.3c00795).
65. Inversion of diaza[5]helicenes through an N-N bond breaking pathway
T. Kobayashi, F. Ishiwari, T. Fukushima, Y. Nojima, M. Hasegawa, Y. Mazaki, K. Hanaya, T. Sugai, *S. Higashibayashi
Chem. Eur. J. 2023, 29, e202301466 (DOI: 10.1002/chem.202301466).
64. Expanded [2,1][n]Carbohelicenes with 15- and 17-Benzene Rings
M. Toya, T. Omine, F. Ishiwari, A. Saeki, *H. Ito, *K. Itami
J. Am. Chem. Soc. 2023, 145, 11553–11565 (DOI: 10.1021/jacs.3c00109).
63. Machine learning of atomic force microscopy images of organic solar cells
Y. Kobayashi, Y. Miyake, F. Ishiwari, S. Ishiwata, *A. Saeki
RSC Adv. 2023, 13, 15107-15113 (DOI: 10.1039/D3RA02492J). Open Access
62. Triptycene-Based Self-Assembled Monolayer as a Template for Successive Click Reactions
S. Das, F. Ishiwari, Y. Shoji, T. Fukushima*, M. Zharnikov*
J. Phys. Chem. C, 2023, 127, 5178–5185 (DOI: 10.1021/acs.jpcc.3c00443).
61. Surface Passivation of Lead Halide Perovskite Solar Cells by a Bifacial Donor–π–Donor Molecule
N. Minoi, *F. Ishiwari, K. Murotani, R. Nishikubo, T. Fukushima, *A. Saeki
ACS Appl. Mater. Interfaces 2023, 15, 6708–6715 (DOI: 10.1021/acsami.2c18446).
60. Overcoming the entropy of polymer chains by making a plane with terminal groups: A thermoplastic PDMS with a long-range 1D structural order
Y. Chen, *F. Ishiwari, Tomoya Fukui, T. Kajitani, H. Liu, X. Liang, K. Nakajima, M. Tokita, *T. Fukushima
Chem. Sci. 2023, 14, 2431–2440 (DOI: 10.1039/D2SC05491D). Open Access
59. Triptycene-Based Tripodal Self-Assembled Monolayer on Indium Tin Oxide
S. Das, F. Ishiwari, Y. Shoji, T. Fukushima, *M. Zharnikov
J. Phys. Chem. C 2023, 127, 2088–2097 (DOI: 0.1021/acs.jpcc.2c08390).
58. Thermodynamic Control of Intramolecular Singlet Fission and Exciton-Transport in Linear Oligomeric Forms
S. Nakamura, H. Sakai, M. Fuki, R. Ooie, F. Ishiwari, A. Saeki, N. V. Tkachenko, *Y. Kobori, *T. Hasobe
Angew. Chem. Int. Ed. 2023, 62, e202217704 (9 pages) (DOI: 10.1002/anie.202217704)
57. Supramolecular Recognition within a Nanosized “Buckytrap” that Exhibits Substantial Photoconductivity
S. Sen, F. Ishiwari, R. Kaur, M. Ishida, S. Bähring, V. M. Lynch, A. Saeki,* D. M. Guldi, J. L. Sessler,* A. Jana* (S.S., F.I., and R.K. contributed equally)
J. Am. Chem. Soc. 2023, 145, 1031–1039 (DOI:10.1021/jacs.2c10555).
56. 3,11-Diaminodibenzo[a,j]phenazine: Synthesis, Properties, and Applications to Tröger's Base-Forming Ladder Polymerization
S. Izumi, K. Inoue, Y. Nitta, T. Enjou, T. Ami, K. Oka, *N. Tohnai, S. Minakata, T. Fukushima, *F. Ishiwari, *Y. Takeda
Chem. Eur. J. 2023, 29, e202202702 (6 pages) (DOI:10.1002/chem.202202702).
=> Invited to a “Novel Aromatics (ISNA 19)" Issue
55. Single-Molecule Observation of Redox Reactions Enabled by Rigid and Isolated Tripodal Molecules
Y. Kobayashi, *Y. Yokota, R. A. Wong, M. Hong, J. Takeya, S. Osawa, F. Ishiwari, Y. Shoji, T. Harimoto, K. Sugimoto, Y. Ishigaki, *T. Suzuki, *T. Fukushima, *Y. Kim
J. Phys. Chem. C, 2023, 127, 746–758 (DOI:10.1021/acs.jpcc.2c07362).
54. Synthesis and Characterization of a Non-Conjugated Backbone Polymer Bearing [1]Benzothieno[3,2-b][1]benzothiophene with a Herringbone Packing Motif
K. Kranthiraja, M. Nomura, F. Ishiwari, *A. Saeki
J. Photopolym. Sci. Technol. 2022, 35, 205–211 (DOI:10.2494/photopolymer.35.205).
53. Rotaxanes with dynamic mechanical chirality: Systematic studies on synthesis, enantiomer separation, racemization, and chiral-prochiral interconversion
*F. Ishiwari, *T. Takata
Front. Chem. 2022, 10, 1025977 (13 pages) (DOI:10.3389/fchem.2022.1025977).
=> Invited to an “Advances in Mechanically Bonded Molecules" Issue
52. Effects of Ammonium and Alkali Metal Additives on Anisotropic Photoconductivities and Solar Cell Efficiencies of Two-Dimensional Lead Halide Perovskites
R. Shimono, R. Nishikubo, F. Ishiwari, *A. Saeki
J. Phys. Chem. C 2022, 126, 17894–17903 (DOI:10.1021/acs.jpcc.2c06285).
51. Improved Predictions of Organic Photovoltaic Performance through Machine Learning Models Empowered by Artificially Generated Failure Data
Y. Miyake, K. Kranthiraja, F. Ishiwari, *A. Saeki
Chem. Mater. 2022, 34, 6912–6920 (DOI:10.1021/acs.chemmater.2c01294).
50. Exploration of charge transport materials to improve the radiation tolerance of lead halide perovskite solar cells
Y. Murakami, R. Nishikubo, F. Ishiwari, K. Okamoto, T. Kozawa, *A. Saeki
Mater. Adv. 2022, 3, 4861–4869 (DOI:10.1039/d2ma00385f).
49. Multivariate Analysis of Mixed Ternary and Quaternary A-Site Organic Cations in Tin Iodide Perovskite Solar Cells
E. Nakanishi, R. Nishikubo, F. Ishiwari, T. Nakamura, A. Wakamiya, *A. Saeki
ACS Materials Lett. 2022, 4, 1124–1131 (DOI:10.1021/acsmaterialslett.2c00229).
48. Combinatorial Exploration of Monovalent Metals (M, M’) in Alkali, 11th-, and 13th-Group Elements toward (M/M’)–(Bi/Sb)–I Solar Cells
C. Nishikawa, R. Nishikubo, F. Ishiwari, *A. Saeki
ACS Appl. Energy Mater. 2022, 5, 6291–6301 (DOI:10.1021/acsaem.2c00651).
47. Synthesis of the C70 Fragment Buckybowl, Homosumanene, and Heterahomosumanenes via Ring-Expansion Reactions from Sumanenone
M. Nishimoto, Y. Uetake, Y. Yakiyama, F. Ishiwari, A. Saeki, *H. Sakurai
J. Org. Chem. 2022, 87, 2508–2519 (DOI:10.1021/acs.joc.1c02416).
46. Introduction of Triptycene with a Particular Substitution Pattern into Polymer Chains Can Dramatically Improve the Structural and Rheological Properties
*F. Ishiwari, G. Okabe, T. Kajitani, *T. Fukushima
ACS Macro Lett. 2021, 10, 1529–1534 (DOI: 10.1021/acsmacrolett.1c00660).
45. Structure-Preserving Solid-State Thermal Huisgen Cycloaddition Polymerization of a Self-Assembled Triptycene-Based AB3-Type Monomer
*F. Ishiwari, S. Kawahara, T. Kajitani, *T. Fukushima
Chem. Lett. 2021, 50, 2006–2010 (DOI:10.1246/cl.210476).
44. Top Thermal Annealing of 2D/3D Lead Halide Perovskites: Anisotropic Photoconductivity and Vertical Gradient of Dimensionality
R. Shimono, R. Nishikubo, F. Ishiwari, *A. Saeki
J. Photopolym. Sci. Technol. 2021, 34, 263–269 (DOI:10.2494/photopolymer.34.263).
43. Porous Honeycomb Self-Assembled Monolayers: Tripodal Adsorption and Hidden Chirality of Carboxylate Anchored Triptycenes on Ag
S. Das, G. Nascimbeni, R. O. de la Morena, F. Ishiwari, Y. Shoji, *T. Fukushima, *M. Buck, *E. Zojer, *M. Zharnikov
ACS Nano 2021, 15, 11168–11179 (DOI:10.1021/acsnano.1c03626).
42. Manipulation of dual fluorescence behavior in aggregation-induced emission enhancement of a tetraphenylethene-appended polymer by optical tweezers
S.-F. Wang, B.-W. Chen, A. Itagaki, F. Ishiwari, T. Fukushima, H. Masuhara, *T. Sugiyama
J. Mater. Chem C 2021, 9, 7545–7554 (DOI:10.1039/D1TC01631H).
=> Selected as a “Hot Papers"
41. Electron Beam Irradiation of Lead Halide Perovskite Solar Cells: Dedoping of Organic Hole Transport Materials despite Hardness of the Perovskite Layer
Y. Murakami, F. Ishiwari, K. Okamoto, T. Kozawa, *A. Saeki
ACS Appl. Mater. Interfaces 2021, 13, 24824–24832 (DOI:10.1021/acsami.1c04439).
40. Thermal and Gas Adsorption Properties of Tröger's base/Diazacyclooctane Hybrid Ladder Polymers
K. Inoue, R. Selyanchyn, S. Fujikawa, *F. Ishiwari, *T. Fukushima
ChemNanoMat 2021, 7, 824–830 (DOI:10.1002/cnma.202100151).
=> Invited to an “Early Career Researchers Issue (will be added) ”
=> Selected as a “Front Cover”
39. Two‐step Conformational Control of a Dibenzo Diazacyclooctane Derivative by Stepwise Protonation
*F. Ishiwari, S. Miyake, K. Inoue, K. Hirose, T. Fukushima, A. Saeki
Asian J. Org. Chem. 2021, 10, 1377–1381 (DOI:10.1002/ajoc.202100154).
=> Invited to an “Early Career Researchers Issue (will be added) ”
=> Selected as a “Front Cover”
38. Changing the structural and physical properties of 3-arm star poly(δ-valerolactone)s by a branch-point design
H. Ogiwara, *F. Ishiwari, T. Kimura, Y. Yamashita, T. Kajitani, A. Sugimoto, M. Tokita, M. Takata, *T. Fukushima
Chem. Commun. 2021, 57, 3901–3904. (DOI: 10.1039/d1cc01092a)
=> Invited to a “ChemComm Emerging Investigator 2021 Issue”
37. Thermal Transport Properties of an Oriented Thin Film of a Paraffinic Tripodal Triptycene
T. Imaizumi, R. Takehara, Y. Yamashita, T. Yagi, F. Ishiwari, Y. Shoji, X. Wang, Y. Murakami, T. Nishino, *T. Fukushima
Jpn. J. Appl. Phys. 2021, 60, 038002. (DOI: 10.35848/1347-4065/abe340)
36. Analysis of Interconversion between Atropisomers of Chiral Substituted 9,9’‐Bicarbazole
T. Kobayashi, F. Ishiwari, T. Fukushima, K. Hanaya, T. Sugai, *S. Higashibayashi
Eur. J. Org. Chem. 2021, 2021, 449–451. (DOI: 10.1002/ejoc.202001385)
35. Highly Sensitive Humidity Sensor Based on Aggregation-Induced Emission Luminogen-Appended Hygroscopic Polymer Microresonator
A. Qiagedeer, H. Yamagishi, M. Sakamoto, H. Hasebe, F. Ishiwari, T. Fukushima, *Y. Yamamoto
Mater. Chem. Front. 2021, 5, 799–803. (DOI: 10.1039/D0QM00722F)
34. Design of a Molecular Memory Element with an Alternating Circular Array of Dipolar Rotors and Rotation Suppressors
T. Miyazaki, *Y. Shoji, F. Ishiwari, T. Kajitani, *T. Fukushima
Chem. Sci. 2020, 11, 8388–8393. (DOI: 10.1039/D0SC02836C)
=> Selected as Cover Art.
33. Anisotropic Poisson’s Effect and Deformation-induced Fluorescence Change of Elastic 9,10-Dibromoanthrathene Single Crystals
*S. Hayashi, F. Ishiwari, T. Fukushima, S. Mikage, Y. Imamura, M. Tashiro, M. Katouda
Angew. Chem. Int. Ed. 2020, 59, 16195–16201 (DOI: 10.1002/anie.202006474)
32. Selective Synthesis of Diazacyclooctane-Containing Flexible Ladder Polymers with Symmetrically or Unsymmetrically Substituted Side Chains
K. Inoue, *F. Ishiwari, T. Fukushima
Polym. Chem. 2020, 11, 3690–3694. (DOI: 10.1039/D0PY00603C)
=> Selected as Cover Art.
31. Spatiotemporal Dynamics of Aggregation-Induced Emission Enhancement Controlled by Optical Manipulation
S-F. Wang, J.-R. Lin, F. Ishiwari, T. Fukushima, H. Masuhara, *T. Sugiyama
Angew. Chem. Int. Ed. 2020, 59, 7063–7068. (DOI: 10.1002/anie.201916240)
30. Switching of the Conformational Flexibility of a Diazacyclooctane-Containing Ladder Polymer by Coordination and Elimination of a Lewis Acid
*F. Ishiwari, M. Ofuchi, K. Inoue, Y. Sei, *T. Fukushima
Polym. Chem. 2020, 11, 236–240. (DOI: 10.1039/C9PY01104H)
=> Invited to a “Polymer Chemistry Emerging Investigator 2020 Issue”
=> Selected as Cover Art.
29. Self-Assembly Growth of an Upright Molecular Precursor with a Rigid Framework
S. Chaunchaiyakul, C. Zhang, H. Imada, E. Kazuma, F. Ishiwari, Y. Shoji, *T. Fukushima, *Y. Kim
J. Phys. Chem. C 2019, 123, 31272–31278. (DOI: 10.1021/acs.jpcc.9b09948)
28. Ultralow-Noise Organic Transistors Based on Polymeric Gate Dielectrics with Self-Assembled Modifiers
M. Kondo, *T. Uemura, F. Ishiwari, T. Kajitani, Y. Shoji, M. Morita, N. Namba, Y. Inoue, Y. Noda, T. Araki, *T. Fukushima, *T. Sekitani
ACS Appl. Mater. Interfaces 2019, 11, 41561–41569. (DOI: 10.1021/acsami.9b13056)
27. Highly-ordered Triptycene Modifier Layer Based on Blade Coating for Ultraflexible Organic Transistors
M. Kondo, T. Kajitani, *T. Uemura, Y. Noda, F. Ishiwari, Y. Shoji, T. Araki, S. Yoshimoto, *T. Fukushima, *T. Sekitani
Sci. Rep. 2019, 9, 9200. (DOI: 10.1038/s41598-019-45559-4)
26. Triptycene Tripods for the Formation of Highly Uniform and Densely Packed Self-Assembled Monolayers with Controlled Molecular Orientation
F. Ishiwari, G. Nascimbeni, E. Sauter, H. Tago, Y. Shoji, S. Fujii, M. Kiguchi, T. Tada, *M. Zharnikov, *E. Zojer, *T. Fukushima
J. Am. Chem. Soc. 2019, 141, 5995–6005. (DOI: 10.1021/jacs.9b00950)
=> Selected as Cover Art.
25. First-Principles Study of the Adsorption Behavior of Triptycene Molecular Tripods on Au(111): Site-Selectivity and Unambiguous Molecular Orientation
*T. Tada, F. Ishiwari, Y. Shoji, T. Fukushima
J. Phys. Chem. C 2019, 123, 4401–4406. (DOI: 10.1021/acs.jpcc.9b00869).
24. Control of Molecular Orientation in Single-Molecule Junction with Tripodal Triptycene Anchoring Unit: Toward Simple and Facile Single-Molecule Diode
*S. Fujii, F. Ishiwari, Y. Komoto, L. Su, Y. Yamagata, A. Kosaka, A. Aiba, T. Nishino, T. Fukushima, M. Kiguchi
Jpn. J. Appl. Phys. 2019, 58, 035003. (DOI: 10.7567/1347-4065/ab0436)
=> 第42回 (2020年度) 応用物理学会論文賞 受賞
23. A Versatile Scaffold for Facile Synthesis of Fluorescent Cyano-Substituted Stilbenes
*S. Hayashi, M. Sakamoto, F. Ishiwari, T. Fukushima, S. Yamamoto, T. Koizumi
Tetrahedron 2019, 75, 1079–1084. (DOI: 10.1016/j.tet.2019.01.012)
22. Terminal Functionalization with a Triptycene Motif that Dramatically Changes the Structural and Physical Properties of an Amorphous Polymer
F. Ishiwari, G. Okabe, H. Ogiwara, T. Kajitani, M. Tokita, M. Takata, *T. Fukushima
J. Am. Chem. Soc. 2018, 140, 13497–13502. (DOI:10.1021/jacs.8b09242)
=> プレスリリース (2018. 10. 24)「アモルファス高分子の高次構造形成や粘度上昇をもたらす分子ユニット」
=> Highlighted in EurekAlert!: No Assembly Required: Self-assembling Silicone-based Polymers
=> Chem-Stationにてハイライト「わずかな末端修飾で粘度が1万倍も変わる高分子」
=> 化学生命科学研究所 最新の研究にて紹介「高分子の鎖末端に導入するだけで高規則構造形成と粘度上昇をもたらす分子ユニットの発見」
21. Topology Effect of AIEgen-Appended Poly(acrylic acid) with Biocompatible Segments on Ca2+-Sensing and Protein-Adsorption-Resistance Properties.
F. Ishiwari, M. Sakamoto, S. Matsumura, *T. Fukushima
ACS Macro Lett. 2018, 7, 711–715. (DOI:10.1021/acsmacrolett.8b00291)
20. Highly Efficient Transformation of Linear Poly(Phenylene Ethynylene)s into Zigzag-Shaped π-Conjugated Microporous Polymers through Boron-Mediated Alkyne Benzannulation.
Y. Shoji, M. Hwang, H. Sugiyama, F. Ishiwari, K. Takenouchi, R. Osuga, J. N. Kondo, S. Fujikawa, *T. Fukushima
Mater. Chem. Front. 2018, 2, 807–814. (DOI: 10.1039/C7QM00582B)
19. A few-layer molecular film on polymer substrates to enhance the performance of organic devices.
*T. Yokota, T. Kajitani, R. Shidachi, T. Tokuhara, M. Kaltenbrunner, Y. Shoji, F. Ishiwari, T. Sekitani, *T. Fukushima, *T. Someya
Nature Nanotech. 2018, 13, 139–144. (DOI: 10.1038/s41565-017-0018-6).
=> プレスリリース (2017. 12. 19)「プラスチックに数層の分子配向膜を形成する手法の開発とその応用に成功」
=> Chem-Stationにてハイライト「プラスチックに数層の分子配向膜を形成する手法の開発」
18. Hexathioalkyl sumanenes: An electron-donating buckybowl as a building block for supramolecular materials.
Y. Shoji, T. Kajitani, F. Ishiwari, Q. Ding, H. Sato, H. Anetai, T. Akutagawa, H. Sakurai, *T. Fukushima (Y.S., F.I., and T.K. contributed equally)
Chem. Sci. 2017, 8, 8405–8410. (DOI: 10.1039/C7SC03860G)
17. Induction of Single-Handed Helicity of Polyacetylenes Using Mechanically Chiral Rotaxanes as Chiral Sources.
F. Ishiwari, K. Nakazono, Y. Koyama, *T. Takata
Angew. Chem. Int. Ed. 2017, 56, 14858–14862. (DOI: 10.1002/anie.201707926)
=> プレスリリース (2017.10.11) 「新しい不斉源 "トポロジカルキラリティ" の機能を解明」
16. Mesoscopic Structural Aspects of Ca2+-Triggered Polymer Chain Folding of a Tetraphenylethene-Appended Poly(Acrylic Acid) in Relation to Its Aggregation-Induced Emission Behavior.
K. Morishima, F. Ishiwari, S. Matsumura, T. Fukushima, *M. Shibayama (K.M. and F.I. contributed equally)
Macromolecules 2017, 50, 5940–5945. (DOI: 10.1021/acs.macromol.7b00883)
15. Rigid-to-Flexible Conformational Transformation: An Efficient Route to Ring-Opening of a Trögers Base-Containing Ladder Polymer.
*F. Ishiwari, N. Takeuchi, T. Sato, H. Yamazaki, R. Osuga, J. N. Kondo, *T. Fukushima
ACS Macro Lett. 2017, 6, 775–780. (DOI: 10.1021/acsmacrolett.7b00385)
=> Highlighted as Synfacts of the Month (Synthesis of Materials and Unnatural Products)
Mission Accomplished: Synthesis of ‘Flexible’ Ladder Polymers.
T. M. Swager, K. Yoshinaga, Synfacts 2017, 13, 1027. (DOI: 10.1055/s-0036-1591240)
=> 「化学と工業」(2018年, 4月号)のディビジョントピックスとして紹介
14. 2,3,5,6,8,9-Hexabromosumanene: Synthesis and Its Application to Suzuki-Miyaura Cross-Coupling.
H. Toda, Y. Yakiyama, Y. Shoji, F. Ishiwari, T. Fukushima, *H. Sakurai
Chem. Lett. 2017, 46, 1368–1371. (DOI: 10.1246/cl.170566)
13. Synthesis and Catalytic Applications of a Triptycene-Based Monophosphine Ligand for Palladium-Mediated Organic Transformations.
F. K.-C. Leung, F. Ishiwari, Y. Shoji, T. Nishikawa, R. Takeda, Y. Nagata, M. Suginome, Y. Uozumi, *Y. M. A. Yamada, *T. Fukushima
ACS Omega 2017, 2, 1930–1937. (DOI: 10.1021/acsomega.7b00200)
12. An Anion-conductive Microporous Membrane Composed of a Rigid Ladder Polymer with a Spirobiindane Backbone.
F. Ishiwari, T. Sato, H. Yamazaki, J. N. Kondo, S. Miyanishi, *T. Yamaguchi, *T. Fukushima
J. Mater. Chem. A 2016, 4, 17655–17659. (doi: 10.1039/C6TA07576B)
11. Supramolecular Scaffold for Tailoring the Two-Dimensional Assembly of Functional Molecular Units into Organic Thin Films.
F. K.-C. Leung, *F. Ishiwari, T. Kajitani, Y. Shoji, T. Hikima, M. Takata, A. Saeki, S. Seki, Y. M. A. Yamada, *T. Fukushima
J. Am. Chem. Soc. 2016, 138, 11727–11733. (DOI: 10.1021/jacs.6b05513)
10. Scanning Tunnelling Microscopy Analysis of Octameric o-Phenylenes on Au(111).
S. Marques-Gonzalez, S. Fujii, T. Nishino, Y. Shoji, F. Ishiwari, T. Fukushima, *M. Kiguchi
RSC Adv. 2016, 6, 55970–55975. (DOI: 10.1039/C6RA07173B)
9. Chlorine-based Inductively Coupled Plasma Etching of GaAs Wafer Using Tripodal Paraffinic Triptycene as an Etching Resist Mask.
*A. Matsutani, F. Ishiwari, Y. Shoji, T. Kajitani, T. Uehara, M. Nakagawa, T. Fukushima
Jpn. J. Appl. Phys. 2016, 55, 06GL01-1–06GL01-3. (DOI:10.7567/JJAP.55.06GL01)
8. Bioinspired Design of a Polymer Gel Sensor for the Realization of Extracellular Ca2+ Imaging.
F. Ishiwari, H. Hasebe, S. Matsumura, F. Hajjaj, N. Horii-Hayashi, M. Nishi, T. Someya, *T. Fukushima
Sci. Rep. 2016, 6, 24275. (DOI:10.1038/srep24275)
=> プレスリリース「紙おむつの材料から新しいカルシウムセンサーを開発」
=> Chem-Staionでの紹介記事「カルシウムイオン濃度をモニターできるゲル状センサー」
7. Rational Synthesis of Organic Thin Films with Exceptional Long-range Structural Integrity.
N. Seiki, *Y. Shoji, T. Kajitani, F. Ishiwari, A. Kosaka, T. Hikima, M. Takata, T. Someya, *T. Fukushima
Science 2015, 348, 1122–1126. (DOI: 10.1126/science.aab1391)
=> プレスリリース「高秩序な大面積分子集積膜の構築に成功」
=> Chem-Staionでの紹介記事「センチメートルサイズで均一の有機分子薄膜をつくる」
6. Reversible Helix-random Coil Transition of Poly(m-phenylenediethynylene) by Rotaxane Switch.
S. Suzuki, F. Ishiwari, K. Nakazono, T. Takata
Chem. Commun. 2012, 48, 6478–6480. (DOI: 10.1039/C2CC18116A)
5. Rational Control of Polyacetylene Helix by Pendant Rotaxane Switch.
F. Ishiwari, K. Nakazono, Y. Koyama, *T. Takata
Chem. Commun. 2011, 47, 11739–11741. (DOI: 10.1039/C1CC14404A)
4. Rational Design for Directed Helicity Change of Polyacetylene using Dynamic Rotaxane Mobility via Through-Space Chirality Transfer.
F. Ishiwari, K. Fukasawa, T. Sato, K. Nakazono, Y. Koyama, *T. Takata
Chem. Eur. J. 2011, 17, 12067–12075. (DOI: 10.1002/chem.201101727)
3. C-C Bond-Forming Click Synthesis of Rotaxanes Exploiting Nitrile N-Oxide.
T. Matsumura, F. Ishiwari, Y. Koyama, T. Takata
Org. Lett. 2010, 12, 3828–3531. (DOI: 10.1021/ol101543x)
2. Synthesis, Structure, and Properties of Polyaceytylenes Possessing Chiral Spirobifluorene Moieties in the Side Chain.
*T. Takata, F. Ishiwari, T. Sato, R. Seto, Y, Toyama
Polym. J. 2008, 40, 846–853. (DOI: 110.1295/polymj.PJ2008104)
1. Poly(vinylspirobifluorene): Synthesis and Properties of Novel Stryrenic Polymer.
F. Ishiwari, S. Kawasaki, Y. Koyama, *T. Takata
Chem. Lett. 2008, 37, 854–855. (DOI: 110.1246/cl.2008.854)
2. Recent advances in structurally elaborate triptycenes, triptycene-containing polymers and assemblies: structures, functions and applications
F. Ishiwari, Y. Shoji, C. J. Martin, *T. Fukushima
Polym. J. 2024, 9, 2028–2041. (DOI:10.1038/s41428-024-00920-x). OPEN ACCESS
1. Supramolecular Scaffolds Enabling the Controlled Assembly of Functional Molecular Units
F. Ishiwari, Y. Shoji, *T. Fukushima
Chem. Sci. 2018, 9, 2028–2041. (DOI: 10.1039/C7SC04340F). OPEN ACCESS
=> Selected as Cover Art.
9. キラルな二面性π共役ポリマーの優れたCISS特性
石割 文崇
高分子 (高分子学会) 2025年 8月号 74巻 (420-421)
8. CISS (不斉誘起スピン選択性) を示すホモキラル二面性π共役ポリマー
石割 文崇
機能材料 2025年3月号, シーエムシー出版.
7. 二次元自己集合化能を持つ「三脚型トリプチセン」類の開発と機能開拓
石割 文崇, 庄子 良晃, 福島 孝典
応用物理学会 有機分子・バイオエレクトロニクス分科会会誌, 2021, Vol. 32, No. 2, 72–77.
6. 有機分子・高分子の自己集合による大面積精密分子集積薄膜の構築
福島 孝典, 石割 文崇, 庄子 良晃
マイクロ・ナノ熱工学の進展, エヌ・ティー・エス, 2021, p450–456 (ISBN 978-4-86043-722-0 C3042).
5. 二次元自己集合化能をもつ三脚型トリプチセンの高分子末端ユニットとしての効果
石割 文崇, 福島孝典
高分子 (高分子学会) 2019年 11月号 68巻
4. 柔軟性と対称性を併せ持つ新しいラダーポリマーの展望
石割 文崇, 福島孝典
高分子学会超分子アニュアルレビュー 2018年, No.39
3. 柔軟性と対称性を併せ持つ新しいラダーポリマーの合成
石割 文崇
「化学と工業」ディビジョントピック, 2018, 71-4, 344.
2. 注目の論文「単結晶Siインスパイアードポリマー」（Synthesis of a Fragment of Crystalline Silicon: Poly(Cyclosilane), R. S. Klausen et al. Angew. Chem. Int. Ed., 2017, 56, 568–572. の解説記事）
石割 文崇
化学, 2017年, 9月号, pp. 62-63.
1. トポロジカルキラリティー
石割 文崇, 高田 十志和
CSJカレントレビュー13「キラル化学」Vol. 13, pp. 67-74 (2013).