Zobrazeno 1 - 10
of 66
pro vyhledávání: '"Haruka Omachi"'
Publikováno v:
AIP Advances, Vol 14, Iss 3, Pp 035140-035140-6 (2024)
Gas sensors based on ambipolar carbon nanotube (CNT) field-effect transistors with various amounts of CNTs were fabricated by dielectrophoretic assembly. The nitrogen dioxide (NO2) gas response and recovery properties of the transistors were measured
Externí odkaz:
https://doaj.org/article/9f811c2325624422bcd98fbac9d4139d
Autor:
Shota Nakahara, Takahiro Morita, Haruka Omachi, Masafumi Inaba, Michihiko Nakano, Junya Suehiro
Publikováno v:
AIP Advances, Vol 12, Iss 12, Pp 125302-125302-6 (2022)
Carbon nanotubes (CNTs) are promising materials for gas sensing because of their large specific area and high sensitivity to charge differentiation. In CNT-based field-effect transistors (FETs) for gas sensing, both CNT potential modulation in the ch
Externí odkaz:
https://doaj.org/article/d4d62171da8248b6a04d52a92d629a10
Publikováno v:
AIP Advances, Vol 12, Iss 4, Pp 045322-045322-7 (2022)
The development of chemical doping methods for carbon nanotubes (CNTs) is essential for various electronic applications. However, typical p-doping methods for CNT thin-film transistors (TFTs), using oxygen and water from the atmosphere, are quite sen
Externí odkaz:
https://doaj.org/article/2195723afaec4306a419c9222285de52
Autor:
Emi Saita, Masaki Iwata, Yuki Shibata, Yuki Matsunaga, Rie Suizu, Kunio Awaga, Jun Hirotani, Haruka Omachi
Publikováno v:
Frontiers in Chemistry, Vol 10 (2022)
This study describes the concise exfoliation of multilayer Ti3C2Tx MXene containing residual aluminum atoms. Treatment with tetramethylammonium base in a co-solvent of tetrahydrofuran and H2O produced single-layer Ti3C2Tx, which was confirmed via ato
Externí odkaz:
https://doaj.org/article/db893cb257e24338a9705f730da53552
Autor:
Ayano Nakagawa, Makiko Nishino, Hiroyuki Niwa, Katsuma Ishino, Zhiyong Wang, Haruka Omachi, Ko Furukawa, Takahisa Yamaguchi, Tatsuhisa Kato, Shunji Bandow, Jeremy Rio, Chris Ewels, Shinobu Aoyagi, Hisanori Shinohara
Publikováno v:
Nature Communications, Vol 9, Iss 1, Pp 1-9 (2018)
While endohedral metallofullerenes have demonstrated advantageous electronic and magnetic properties, the isolation of monomeric M@C60 remains highly challenging. Here, the authors prepare trifluoromethylated Gd@C60 and La@C60, where the functionaliz
Externí odkaz:
https://doaj.org/article/941fe21500694600a1b74936afb16454
Autor:
Chris Ewels, Jeremy Rio, Hiroyuki Niwa, Haruka Omachi, Hisanori Shinohara, Mark Rayson, Patrick Briddon
Publikováno v:
Royal Society Open Science, Vol 5, Iss 9 (2018)
Using density functional theory approaches, we follow the sequential addition of CF3 functional groups to the surface of the metallic endofullerene species Gd@C60. The presence of gadolinium in the interior of the cage strongly influences the additio
Externí odkaz:
https://doaj.org/article/d259be33c82c47c88447a4560f0fc9a8
Autor:
Ayano Nakagawa, Shinobu Aoyagi, Haruka Omachi, Katsuma Ishino, Makiko Nishino, Jeremy Rio, Chris Ewels, Hisanori Shinohara
Publikováno v:
Royal Society Open Science, Vol 5, Iss 9 (2018)
Our trifluoromethyl functionalization method enables the dissolution and isolation of missing metallofullerenes of Gd@C74(CF3)n. After multi-stage high-performance liquid chromatography purification, Gd@C74(CF3)3 and two regioisomers of Gd@C74(CF3) a
Externí odkaz:
https://doaj.org/article/3834a757a369410b8b45205e34bb05b8
Autor:
Ryo Ushiroguchi, Rie Suizu, Yuki Matsunaga, Haruka Omachi, Yuya Doi, Yuichi Masubuchi, Shunji Bandow, Kunio Awaga
Publikováno v:
Chemistry Letters. 51:1070-1073
Publikováno v:
Applied Physics Express. 16:037001
In this study, we fabricate MXene transparent conductive films via a transfer process. The results show that the transferred transparent conductive films using titanium carbide MXene have ca. 100 times higher electrical conductivity than conventional
Publikováno v:
Chemistry – A European Journal. 26:6118-6121
Owing to their remarkable properties, single-walled carbon nanotube thin-film transistors (SWCNT-TFTs) are expected to be used in various flexible electronics applications. To fabricate SWCNT channel layers for TFTs, solution-based film formation on