Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Kosuke Wakata"'
Autor:
Yuta Shudo, Md. Saidul Islam, Mohammad Razaul Karim, Nurun Nahar Rabin, Kosuke Wakata, Ryo Ohtani, Masaaki Nakamura, Leonard F. Lindoy, Shinya Hayami
Publikováno v:
Global Challenges, Vol 1, Iss 6, Pp n/a-n/a (2017)
Graphene oxide (GO) shows high proton conductivity (≈10−4 Scm−1), excellent mechanical stability, and electrical insulation property, which makes it an ideal candidate for use as a proton conducting solid state electrolyte. The prospects of usi
Externí odkaz:
https://doaj.org/article/4aa510f516144255bee6834614a821a1
Autor:
Narumi Kameda, Yuta Shudo, Mohammad Razaul Karim, Hitomi Ohmagari, Kosuke Wakata, Shinya Hayami
Publikováno v:
Journal of Inclusion Phenomena and Macrocyclic Chemistry. 94:283-286
We report the photocatalytic activities of graphene oxide-metal ion hybrid namely rGO–M (rGO is reduced graphene oxide and M = Mn2+, Fe3+, Ni2+, Co2+ and Al3+). The hybrids exhibit photocatalytic behavior to split water and generate hydrogen gas un
Autor:
Shinya Hayami, Hiroshi Takehira, Md. Saidul Islam, Kei Toda, Ryo Ohtani, Nurun Nahar Rabin, Mohammad Razaul Karim, Kosuke Wakata, Masaaki Nakamura
Publikováno v:
ChemistrySelect. 2:4248-4254
Within the nanopores, junctions and interlayer void space (IVS) in graphene oxide film (GOf), we report that IVS function as the key semipermeable site during sieving. The GOf could filter only dye molecules having nanometer-ranged dimensions. Tinier
Autor:
Michio Koinuma, Ryo Ohtani, Masaaki Nakamura, Kazuto Hatakeyama, Mohammad Razaul Karim, Md. Saidul Islam, Kosuke Wakata, Nurun Nahar Rabin, Shinya Hayami
Publikováno v:
RSC Advances. 7:21901-21905
Hybrid materials that are obtained from intercalation of different polar and hydrophilic acid guest molecules within graphene oxide (GO) have been found to exhibit high proton conductivity. The accommodation of these guest precursors within the GO in
Autor:
Ryo Ohtani, Kosuke Wakata, Hitomi Ohmagari, Shinya Hayami, S. A. Amolegbe, Chengzhong Yu, Hiroshi Takehira, Masaaki Nakamura
Publikováno v:
Journal of Materials Chemistry B. 4:1040-1043
An antimalarial drug artesunate (ATS) was encapsulated in both functionalized MCM-41 and ordinary MCM-41 with an excellent loading capacity and sustained release behavior for possible biomedical applications.
Autor:
Takeshi Matsui, Masaaki Nakamura, Yusuke Murashima, Kosuke Wakata, Hiroshi Takehira, Ryo Furue, Kei Toda, Ryo Ohtani, Mohammad Razaul Karim, Shinya Hayami
Publikováno v:
Inorganic Chemistry Frontiers. 3:842-848
Acetaldehyde gas sensing using hybrids of reduced graphene oxide (rGO) and transition metal elements, rGO–M (M = oxide/hydroxide of Mn, Fe, Co and Ni) has been investigated. Thin films of GO, rGO and rGO–M on conductive glass were deposited throu
Autor:
Kosuke Wakata, Leonard F. Lindoy, Masaaki Nakamura, Ryo Ohtani, Md. Saidul Islam, Shinya Hayami, Yuta Shudo, Nurun Nahar Rabin, Mohammad Razaul Karim
Publikováno v:
Global Challenges
The cover picture shows the solid state battery where graphene oxide (GO) is used as proton conducting solid electrolyte. Respective discharge capacity and power density of the cell is found to be 360 μA h and 19.5 mW kg−1 at a constant current dr
Autor:
Kosuke Wakata, Michio Koinuma, Saidul Islam, Mohammad Razaul Karim, Masaaki Nakamura, Ryo Ohtani, Shinya Hayami
Publikováno v:
Chemistry, an Asian journal. 12(2)
Insertion of 3-hydroxypropanesulfonicacid (HPS) at graphene oxide (GO) interlayer results in high proton conductivity (10-2 - 10-1 Scm-1) due to the improvement in oxygen content, interlayer distance and water absorbing capacity. This result indicate
Autor:
Ryo Ohtani, Kosuke Wakata, Yuta Shudo, Shinya Hayami, Leonard F. Lindoy, Nurun Nahar Rabin, Masaaki Nakamura, Mohammad Razaul Karim, Md. Saidul Islam
Publikováno v:
Global Challenges
Graphene oxide (GO) shows high proton conductivity (≈10−4 Scm−1), excellent mechanical stability, and electrical insulation property, which makes it an ideal candidate for use as a proton conducting solid state electrolyte. The prospects of usi