Zobrazeno 1 - 10
of 148
pro vyhledávání: '"Masayuki Takashiri"'
Autor:
Koki Hoshino, Hisatoshi Yamamoto, Ryota Tamai, Takumi Nakajima, Shugo Miyake, Masayuki Takashiri
Publikováno v:
Sensors, Vol 24, Iss 21, p 7060 (2024)
Flexible thermoelectric generators (TEGs) with pn-junction single-walled carbon nanotube (SWCNT) films on a polyimide substrate have attracted considerable attention for energy harvesting. This is because they generate electricity through the photo-t
Externí odkaz:
https://doaj.org/article/c3ddde51409f407a87622ab2b3ecba23
Autor:
Masataka Hase, Daiki Tanisawa, Kaito Kohashi, Raichi Kamemura, Shugo Miyake, Masayuki Takashiri
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-9 (2023)
Abstract The phonon-drag effect is useful for improving the thermoelectric performance, especially the Seebeck coefficient. Therefore, the phonon and electron transport properties of Si single crystals at different carrier densities were investigated
Externí odkaz:
https://doaj.org/article/1573d938174647c6ac0c885d542ce215
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-8 (2023)
Abstract Single-walled carbon nanotubes (SWCNTs) are promising thermoelectric materials owing to their flexibility and excellent durability when exposed to heat and chemicals. Thus, they are expected to be used in power supplies for various sensors.
Externí odkaz:
https://doaj.org/article/5dd2465b9c484766860a05b66fa1b89c
Autor:
Takumi Nakajima, Koki Hoshino, Hisatoshi Yamamoto, Keisuke Kaneko, Yutaro Okano, Masayuki Takashiri
Publikováno v:
Sensors, Vol 24, Iss 9, p 2946 (2024)
As power sources for Internet-of-Things sensors, thermoelectric generators must exhibit compactness, flexibility, and low manufacturing costs. Stretchable and flexible painted thermoelectric generators were fabricated on Japanese paper using inks wit
Externí odkaz:
https://doaj.org/article/b8a2211c54b443e8aeb9cec11c4d5cd0
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-7 (2023)
Abstract Thermoelectric generators with flexibility and high performance near 300 K have the potential to be employed in self-supporting power supplies for Internet of Things (IoT) devices. Bismuth telluride (Bi2Te3) exhibits high thermoelectric perf
Externí odkaz:
https://doaj.org/article/e35d1ededeb843518ff75d13db3accb9
Autor:
Yuki Amma, Katsuma Miura, Sho Nagata, Tsuyoshi Nishi, Shugo Miyake, Koji Miyazaki, Masayuki Takashiri
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-9 (2022)
Abstract This report presents n-type single-walled carbon nanotubes (SWCNT) films with ultra-long air stability using a cationic surfactant and demonstrates that the n-type Seebeck coefficient can be maintained for more than two years, which is the h
Externí odkaz:
https://doaj.org/article/7805dfb285cc44dd8bf32bae96d5ee8f
Publikováno v:
Advanced Materials Interfaces, Vol 10, Iss 16, Pp n/a-n/a (2023)
Abstract Water‐floating carbon nanotube thermoelectric generators (CNT‐TEGs) can effectively power Internet of Things (IoT) applications. CNT‐TEGs produce electricity by floating on water to generate a temperature gradient in the CNT films, whe
Externí odkaz:
https://doaj.org/article/a780b26d838f46568bb1e4c047ed3ef7
Autor:
Daiki Tanisawa, Yoshiyuki Shionozaki, Tetsuya Takizawa, Asato Yamaguchi, Hiroshi Murotani, Masayuki Takashiri
Publikováno v:
Applied Physics Express, Vol 17, Iss 1, p 011005 (2024)
The ultralow thermal conductivity (1.3 W/(m∙K)) of amorphous silicon–germanium films for alloy and disorder scattering was investigated using the 3 ω method and nanoindentation. The films exhibited the lowest phonon mean free path (MFP) of 0.5 n
Externí odkaz:
https://doaj.org/article/429bfc06556449d29f2ee9b20257f8db
Autor:
Kaito Kohashi, Yutaro Okano, Daiki Tanisawa, Keisuke Kaneko, Shugo Miyake, Masayuki Takashiri
Publikováno v:
Crystals, Vol 14, Iss 2, p 132 (2024)
Surface-modified nanoplate-shaped thermoelectric materials can achieve good thermoelectric performance. Herein, single-crystalline Bi2Te3 nanoplates with regular hexagonal shapes were prepared via solvothermal techniques. Surface modification was per
Externí odkaz:
https://doaj.org/article/1ec78f10e9824c898b2a6212e10c29d4
Autor:
Masataka Hase, Daiki Tanisawa, Oga Norimasa, Raichi Kamemura, Shugo Miyake, Masayuki Takashiri
Publikováno v:
Results in Physics, Vol 47, Iss , Pp 106356- (2023)
Investigation of the impurity concentration dependence of phonon and electronic transports is essential for semiconductor devices requiring thermal management. However, the experimental study of phonon transport properties is limited compared to theo
Externí odkaz:
https://doaj.org/article/a61f6089a4c34aac867536aea076f2db