Original Papers

(37) CNT gels formed by a triptycene analogue enabling coexistence of CNT-gelator and intergelator interactions

Ushiroguchi, R.; Suizu, R.; Matsunaga, Y.; Omachi, H.; Doi Y.; Masubuchi, Y.; Bandow, S.; Awaga, K.*

Chem. Lett. 2022, accepted. DOI: 10.1246/cl.220319


(36) Highly temperature-tolerant p-type carbon nanotube transistor doped with 1,4,5,8,9,11-hexaazatriphenylenehexacarbonitrile

Matsunaga, Y.; Hirotani, J.*; Omachi, H.*

AIP Adv. 2022, 12, 045322. DOI: 10.1063/5.0087868

Special Collection on Advances in Low Dimensional and 2D Materials


(35) Exfoliation of Al-residual multilayer MXene using tetramethylammonium bases for conductive film applications

Saita, E.†; Iwata, M.†; Shibata, Y.†; Matsunaga, Y.; Suizu, R.; Awaga, K.; Hirotani, J.*; Omachi, H.*

Front. Chem., 2022, 10, 841313. DOI: 10.3389/fchem.2022.841313

† Co-first authorship


(34) Cross-linking gelation of isomaltodextrin for the chromatographic separation of semiconducting carbon nanotubes

Matsunaga, Y.; Hirotani, J.; Ohno, Y.; Omachi, H.*

Appl. Phys. Express, 2021, 14, 017001. DOI: 10.35848/1882-0786/abd28b


(33) Aqueous two-phase extraction of graphene oxides

Hayashi, K.; Inoue, T.; Omachi, H.*

Jpn. J. Appl. Phys., 2020, 59, 075001. DOI: 10.35848/1347-4065/ab99de


(32) Fabrication of Carbon Nanotube Thin Films for Flexible Transistor Applications using a Cross‐linked Amine Polymer

Matsumoto, K.; Ueno, K.; Hirotani, J.; Ohno, Y.; Omachi, H.*

Chem. Eur. J., 2020, 26, 6118. DOI: 10.1002/chem.202000228

Selected as “Hot paper”


(31) Concise, Single-step Synthesis of Sulfur-enriched Graphene: Immobilization of Molecular Clusters and Battery Applications

Omachi, H.*; Inoue, T.; Hatao, S.; Shinohara. H.; Criado, A.; Yoshikawa, H.*; Syrgiannis, Z.*; Prato, M.*

Angew. Chem., Int. Ed., 2020, 59, 7836. DOI: 10.1002/anie.201913578

Selected as “Hot paper”, "Hot Topic: Carbon, Graphite, and Graphene", and "Hot Topic: Surfaces and Interfaces". Highlighted in 車載テクノロジー


(30) Template Synthesis of Armchair-edge Graphene Nanoribbons Inside Carbon Nanotubes

Kinno, Y.; Omachi, H.*; Shinohara. H.*

Appl. Phys. Express, 2020, 13, 015002. DOI: 10.7567/1882-0786/ab5895


(29) Turning On the Near-Infrared Photoluminescence of Erbium Metallofullerenes by Covalent Modification

Xu, D.; Jiang, Y.; Wang, Y.; Zhou, T.; Shi, Z.*; Omachi, H.*; Shinohara. H.; Sun, B.; Wang, Z.*

Inorg. Chem., 2019, 58, 14325. DOI: 10.1021/acs.inorgchem.9b01316


(28) Aqueous two-phase extraction of semiconducting single-wall carbon nanotubes with isomaltodextrin and thin-film transistor applications

Omachi, H.*; Komuro, T.; Matsumoto, K.; Nakajima, M.; Watanabe, H.; Hirotani, J.; Ohno, Y.; Shinohara. H.*

Appl. Phys. Express, 2019, 12, 097003. DOI: 10.7567/1882-0786/ab369e

応用物理学会論文奨励賞

Most Read Article, Highlighted in NIKKEI Business Daily, 月刊JETI, 子供の科学, and Online News (>10).


(27) Isolation and structure determination of missing fullerenes Gd@C74(CF3)n through in situ trifluoromethylation

Nakagawa, A.; Aoyagi, S.*; Omachi, H.*; Ishino, K.; Nishino, M.; Rio, J.; Ewels, C.*; Shinohara, H.

R. Soc. Open Sci., 2018, 5, 181015. DOI: 10.1098/rsos.181015


(26) Determining addition pathways and stable isomers for CF3 functionalization of endohedral Gd@C60

Ewels, C.*; Rio, J.; Niwa, H.; Omachi, H.*; Shinohara, H.; Rayson, M.; Briddon, P. R.

R. Soc. Open Sci., 2018, 5, 180588. DOI: 10.1098/rsos.180588


(25) Synthesis of long-chain polythiophene inside carbon nanotubes

Kinno, Y.; Omachi, H.*: Nakanishi, Y.; Shinohara, H.*

Chem. Lett., 2018, 47, 1022-1025. DOI: 10.1246/cl.180419

Selected as “Editor’s Choice”


(24) Crystalline functionalized endohedral C60 metallofullerides

Nakagawa, A.; Nishino, M.; Niwa, H.; Ishino, K.; Wang, Z.; Omachi, H.; Furukawa, K.; Yamaguchi, T.; Kato, T.; Bandow, S.; Rio, J.; Ewels, C.; Aoyagi, S.; Shinohara, H.*

Nature Commun., 2018, 9, 3073. DOI: 10.1038/s41467-018-05496-8


(23) DySc2N@C80 Single-Molecule Magnetic Metallofullerene Encapsulated in a Single-Walled Carbon Nanotube

Nakanishi, R.*; Satoh, J.; Katoh, K.; Zhang, H.; Breedlove, B. K.; Nishijima, M.; Nakanishi, Y.; Omachi, H.; Shinohara, H; Yamashita, M.*

J. Am. Chem. Soc., 2018, 140, 10955-10959. DOI: 10.1021/jacs.8b06983


(22) One-dimensional hydrogen bonding network of bis-hydroxylated diamantane formed inside double-wall carbon nanotubes

Nakanishi, Y.*; Omachi, H.; Fokina, N. A.; Schreiner, P. R.; Dahl, J. E. P.; Carlson, R. M. K.; Shinohara. H.*

Chem. Commun., 2018, 54, 3823-3826. DOI: 10.1039/C7CC09832D


(21) Band-Gap Engineering of Graphene Heterostructures via Substitutional Doping with B3N3

Sawahata, H.; Maruyama M.; Omachi, H.; Shinohara. H.; Cuong, N. T.; Okada, S.*

ChemPhysChem, 2018, 19, 237-242. DOI: 10.1002/cphc.201700972


(20) Purification of 1.9 nm diameter semiconducting single-wall carbon nanotubes using temperature controlled gel-column chromatography and its aplication to thin-film transistor devices

Thendie, B.; Omachi, H.; Hirotani, J.; Ohno, Y.; Miyata, Y.; Shinohara. H.*

Jpn. J. Appl. Phys., 2017, 56, 065102. DOI: 10.7567/JJAP.56.065102


(19) Non-Chromatographic Purification of Endohedral Metallofullerenes

Wang, Z.; Omachi, H.; Shinohara. H.*

Molecules, 2017, 22, 718. DOI: 10.3390/molecules22050718


(18) Development of Gd3N@C80 encapsulated redox nanoparticles for high-performance magnetic resonance imaging

Gao, Z.; Nakanishi, Y.; Noda, S.; Omachi, H.; Shinohara. H.; Kimura, H.; Nagasaki. Y.*

J. Biomater. Sci. Polym. Ed., 2017, 28, 1036-1050. DOI: 10.1080/09205063.2017.1288774


(17) Efficient separation of semiconducting single-wall carbon nanotubes by surfactant-composition gradient in gel filtration

Thendie, B.; Omachi, H.; Miyata, Y.; Shinohara. H.*

Jpn. J. Appl. Phys. 2017, 56, 015101. DOI: 10.7567/JJAP.56.015101


(16) Isolation and structure determination of a missing endohedral fullerene La@C70 through in stu trifluoromethylation

Wang, Z.; Aoyagi, S.; Omachi, H.; Kitaura, R.; Shinohara. H.*

Angew. Chem., Int. Ed. 2016, 55, 199-202. DOI: 10.1002/anie.201508082

Selected for Virtual issue on Fullerenes


(15) Template synthesis of linear-chain nanodiamonds inside carbon nanotubes from bridgehead-halogenated diamantane precursors

Nakanishi, Y.; Omachi, H.; Fokina, N. A.; Schreiner, P. R.; Kitaura, R.; Dahl, J. E. P.; Carlson, R. M. K.; Shinohara. H.*

Angew. Chem., Int. Ed. 2015, 54, 10802-10806. DOI: 10.1002/anie.201504904

Selected as “Hot paper” and Front Cover Picture, Highlighted in ChemViews Magazines (Wiley-VCH), Phys.org.


(14) Fabrication and optical probing of highly extended, ultrathin graphene nanoribbons in carbon nanotubes

Lim, H-E.; Miyata, Y.; Fujihara, M.; Okada, S.; Liu, Z.; Arifin; Sato, K.; Omachi, H.; Kitaura, R.; Irle, S.; Suenaga, K.; Shinohara. H.*

ACS Nano 2015, 9, 5034-5040. DOI: 10.1021/nn507408m

Highlighted in Nanotechweb (Institute of Physics, UK)


(13) Nano-saturn: Energetics of the inclusion process of C60 into cyclohexabiphenylene

Kigure, S.; Omachi, H.; Shinohara. H.; Okada, S.*

J. Phys. Chem. C 2015, 119, 8931-8936. DOI: 10.1021/acs.jpcc.5b00449


(12) Size-selective complexation and extraction of endohedral metallofullerenes with cycloparaphenylene

Nakanishi, Y.; Omachi, H.; Matsuura S.; Miyata, Y.; Kitaura, R.; Segawa, Y.; Itami, K.*; Shinohara. H.*

Angew. Chem., Int. Ed. 2014, 53, 3102-3106. DOI: 10.1002/anie.201311268

Selected as Inside Cover Picture


(11) Initiation of carbon nanotube growth by well-defined carbon nanorings

Omachi, H.; Nakayama, T.; Takahashi, E.; Segawa, Y.; Itami, K.*

Nature Chem. 2013, 5, 572-576. DOI: 10.1038/nchem.1655

Highlighted in Newspapers (Yomiuri, Chunichi, Tokyo Shinbun, Kagaku Shinbun, Nikkan Kogyo Shinbun, Nanotech Japan), Highlighted in Chemistry World (RSC)


(10) Size-selective synthesis of [9]-[11] and [13]cycloparaphenylenes

Ishii, Y.; Nakanishi Y.; Omachi, H.; Matsuura S.; Matsui K.; Shinohara, H.; Segawa, Y.; Itami, K.*

Chem. Sci. 2012, 3, 572-576. DOI: 10.1039/c2sc20343j

Highlighted in RSC Chemical Science Blog, Top Ten Most Accessed Articles in May 2012


(9) Synthesis of cycloparaphenylenes and related carbon nanorings: A step toward the controlled synthesis of carbon nanotubes

Omachi, H.; Segawa Y.; Itami, K.*

Acc. Chem. Res. 2012, 45, 1378-1389. DOI: 10.1021/ar300055x

Most Read Articles in May 2012, Selected as the Cover in the Issue of August 2012


(8) Combined experimental and theoretical studies on the photophysical properties of cycloparaphenylenes

Segawa, Y.; Fukazawa, A.; Matsuura S.; Omachi, H.; Yamaguchi, S.; Irle, S.; Itami, K.*

Org. Biomol. Chem. 2012, 10, 5979-5984. DOI: 10.1039/c2ob25199j


(7) Synthesis and racemization process of chiral carbon nanorings: A step toward the chemical synthesis of chiral carbon nanotubes

Omachi, H.; Segawa Y.; Itami, K.*

Org. Lett. 2011, 13, 2480-2483. DOI: 10.1021/ol200730m


(6) [9]Cycloparaphenylene: Nickel-mediated synthesis and crystal structure

Segawa, Y.; Šenel, P.; Matsuura S.; Omachi, H.; Itami, K.*

Chem. Lett. 2011, 40, 423-425. DOI: 10.1246/cl.2011.423

Selected as “Editor’s Choice”


(5) Concise synthesis and crystal structure of [12]cycloparaphenylene

Segawa, Y.; Miyamoto, S.; Omachi, H.; Matsuura S.; Šenel, P.; Sasamori, T.; Tokitoh, N.; Itami, K.*

Angew. Chem., Int. Ed. 2011, 50, 3244-3248. DOI: 10.1002/anie.201007232

Highlighted in Science


(4) "A modular and size-selective synthesis of [n]cycloparaphenylenes: A step toward the selective synthesis of [n, n]single-walled carbon nanotubes"

Omachi, H.; Matsuura S.; Segawa Y.; Itami, K.*

Angew. Chem., Int. Ed. 2010, 49, 10202-10205. DOI: 10.1002/anie.201005734

Selected as “Hot paper”, Highlighted in Newspapers (Asahi, Chunichi, Yomiuri, Nikkan Kogyo, The Chemical Daily, NanotechJapan), Highlighted in Nature, SYNFACTS (Thieme), Chemistry Today (Tokyo Kagakudojin)


(3) Theoretical studies on the structures and strain energies of cycloparaphenylenes"

Segawa, Y.; Omachi, H.; Itami, K.*

Org. Lett. 2010, 12, 2262-2265. DOI: 10.1021/ol1006168


(2) Selective synthesis of [12]cycloparaphenylene

Takaba, H.; Omachi, H.; Yamamoto, Y.; Bouffard, J.; Itami, K.*

Angew. Chem., Int. Ed. 2009, 48, 6112-6116. DOI: 10.1002/anie.200902617

Most-Accessed Articles (July 2009), Highlighted in Newspapers and Media (Asahi, Chunichi, Yomiuri, Nikkei, Nikkan Kogyo, JIJI, Yahoo News, etc), Highlighted in Chem-Station, Highlighted as a “SynStory” article in SYNFORM, September 2009 (Thieme), Highlighted in SYNFACTS (Thieme), Highlighted in Chemistry and Industry (The Chemical Society of Japan), Highlighted in Oraganometallic News (Division of Organometallic Chemistry, The Kinki Chemical Society, Japan.)


(1) Arylation of allylsilanes through rhodium catalysis

Omachi, H.; Itami, K.*

Chem. Lett. 2009, 38, 186-187. DOI: 10.1246/cl.2009.186