Zobrazeno 1 - 10
of 223
pro vyhledávání: '"Hirotsugu Takizawa"'
Publikováno v:
Ultrasonics Sonochemistry, Vol 109, Iss , Pp 106995- (2024)
This study investigated the sustainable room-temperature synthesis of In3Sn/γ-Ga2O3 core–shell particles via an acoustic route using molten eutectic Ga–In–Sn alloy (EGaInSn). Sonication was used for the emulsification and oxidation steps. Duri
Externí odkaz:
https://doaj.org/article/1f79dadafd2d46fd975e7a17bef49721
Publikováno v:
Ultrasonics Sonochemistry, Vol 108, Iss , Pp 106976- (2024)
Sonochemical decomposition effects of nickelocene, which sublimates easily were investigated to synthesize dispersant-free nickel fine particles at low temperature. In a hydrazine monohydrate and 2-propanol mixed solvent, the reduction of nickelocene
Externí odkaz:
https://doaj.org/article/2d1b35dbc1b944d9a957fe409acd1049
Publikováno v:
Ultrasonics Sonochemistry, Vol 107, Iss , Pp 106913- (2024)
The waterglass or St o¨ ber method is commonly used to synthesize spherical colloidal silica; however, these methods have some disadvantages, such as complicated processes for the removal of sodium ions and expensive and energy-consuming raw materia
Externí odkaz:
https://doaj.org/article/0cbe4470b22f489c9b72dd861ea7e659
Publikováno v:
Journal of Asian Ceramic Societies, Vol 11, Iss 4, Pp 464-471 (2023)
ABSTRACTA barium titanium oxide/silver (BaTiO3/Ag) nanocomposite powder was synthesized using a sonochemical process. By irradiating an ethanol solution of BaTiO3 and silver oxide (Ag2O), Ag2O thermally decomposed at 40°C and Ag-loaded BaTiO3 nanoco
Externí odkaz:
https://doaj.org/article/efd08a8401844999ae6b0c3db7eb2b2b
Publikováno v:
Cleaner Engineering and Technology, Vol 17, Iss , Pp 100681- (2023)
Next-generation electronic materials must be produced and used sustainably. Nanocarbon materials have attracted much attention as next-generation materials because they have excellent properties and can be made from readily available and inexpensive
Externí odkaz:
https://doaj.org/article/ef8fe13569f646029341296d6cfe5a90
Publikováno v:
Ultrasonics Sonochemistry, Vol 89, Iss , Pp 106115- (2022)
Recently, environmental problems, such as global warming, have become more severe; thus, there is a requirement to implement sustainable development goals in materials processing. In this study, we investigated a low-cost and environmentally-friendly
Externí odkaz:
https://doaj.org/article/08ab4dbf477145b5958b82591d1bbc35
Publikováno v:
Ultrasonics Sonochemistry, Vol 89, Iss , Pp 106114- (2022)
In this study, we investigated the fabrication of supersaturated gallium (Ga)–aluminum (Al) liquid alloy and Al3+-doped γ-Ga2O3 nanoparticles (NPs) at near room temperature (60 °C) using sonochemical and sonophysical effects. Supersaturated Ga–
Externí odkaz:
https://doaj.org/article/6d544ef396c84c068973398e66e0135a
Autor:
Satoshi Fujii, Masahiro Yamamoto, Naoto Haneishi, Shuntaro Tsubaki, Jun Fukushima, Hirotsugu Takizawa, Yuji Wada
Publikováno v:
AIP Advances, Vol 11, Iss 6, Pp 065207-065207-7 (2021)
Chemical reactions performed under microwave irradiation often demonstrate high reaction rates, high selectivity, and low reaction temperatures, which allows for more compact reactors and more energy-efficient processes than used in conventional heat
Externí odkaz:
https://doaj.org/article/73a9774478ca4243a90ba7db711fd01b
Autor:
Kazuma Oikawa, Kei Toyota, Toru Okazaki, Shinji Okada, Shigeaki Sakatani, Yamato Hayashi, Hirotsugu Takizawa
Publikováno v:
Journal of Asian Ceramic Societies, Vol 7, Iss 4, Pp 449-459 (2019)
In this study, we investigated the influence of the addition of carbon materials on the heat resistance and flame retardancy of silica xerogels. A mixed dispersion prepared by adding 0.1 to 2.5 wt% each of the carbon materials, graphene oxide (GO), p
Externí odkaz:
https://doaj.org/article/dfca6349a7914678aaa3a2fc0c21d48a
Publikováno v:
Ultrasonics Sonochemistry, Vol 73, Iss , Pp 105476- (2021)
Silica xerogels were prepared by the sol-gel method under ultrasonic irradiation, using tetraethylorthosilicate (TEOS) as the starting material. Hexamethyldisiloxane (HMDSO) was used as the hydrophobizing agent. When preparing silica xerogel, it is n
Externí odkaz:
https://doaj.org/article/40624cdd284b4a989fb757159163da31