Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Tsuguo Koyanagi"'
Autor:
Seigo Ito, Mohammad K. Nazeeruddin, Shaik M. Zakeeruddin, Peter Péchy, Pascal Comte, Michael Grätzel, Takaki Mizuno, Atsushi Tanaka, Tsuguo Koyanagi
Publikováno v:
International Journal of Photoenergy, Vol 2009 (2009)
In order to improve the photoenergy conversion efficiency of dye-sensitized solar cells (DSCs), it is important to optimize their porous TiO2 electrodes. This paper examines the surface and cross-sectional views of the electrodes using scanning elect
Externí odkaz:
https://doaj.org/article/1e49f3b4bd8e4487936c6e5d80937b53
Autor:
Taro Toyoda, Tsuguo Koyanagi, Hiroshi Segawa, Gaurav Kapil, Takurou N. Murakami, Shuzi Hayase, Qin Shen, Yuhei Ogomi, Kenji Yoshino
Publikováno v:
Journal of Nanoparticle Research. 22
Lead (Pb) perovskites can be synthetically modified to form colloidal nanocrystals which exhibit remarkable optoelectronic properties in the various fields such as light-emitting devices, flexible electronics, and photodetectors. However, because of
Autor:
Yuhei Ogomi, Takashi Minemoto, Taro Toyoda, Tsuguo Koyanagi, Shyam S. Pandey, Qing Shen, Md. Mijanur Rahman, Hiroshi Segawa, Takeshi Ohta, Murugan Vigneshwaran, Kenji Yoshino, Takurou N. Murakami, Yaohong Zhang, Gaurav Kapil, Shuzi Hayase
Publikováno v:
The Journal of Physical Chemistry C. 121:13092-13100
Cesium tin halide based perovskite Cs2SnI6 has been subjected to in-depth investigations owing to its potentiality toward the realization of environment benign Pb free and stable solar cells. In spite of the fact that Cs2SnI6 has been successfully ut
Autor:
Pascal Comte, Seigo Ito, Shaik M. Zakeeruddin, Atsushi Tanaka, Mohammad Khaja Nazeeruddin, Takaki Mizuno, Michael Grätzel, Peter Pechy, Tsuguo Koyanagi
Publikováno v:
International Journal of Photoenergy. 2009:1-8
In order to improve the photoenergy conversion efficiency of dye-sensitized solar cells (DSCs), it is important to optimize their porousTiO2electrodes. This paper examines the surface and cross-sectional views of the electrodes using scanning electro
Autor:
Brian C. O’Regan, Peter Pechy, Takaki Mizuno, Paul Liska, Pascal Comte, Michael Grätzel, Raphaël Charvet, Tsuguo Koyanagi, Zhipan Zhang, Shaik M. Zakeeruddin, Mohammad Khaja Nazeeruddin, Seigo Ito, Dai-Bin Kuang, Robin Humphry-Baker
Publikováno v:
Zeitschrift für Physikalische Chemie. 221:319-327
Dye-sensitized solar cells have been fabricated with different kinds of TiO2 films including SiO2 coated and bare TiO2 microparticles as light-scattering layer (LSL). Results show that the LSL barely affects the cell's dark current, whereas under ill
Autor:
Kayoko Ohkuma, Koji Tanaka, Masanori Kohyama, Masatake Haruta, Tomoki Akita, Mitsutaka Okumura, Masakazu Daté, Susumu Tsubota, Tsuguo Koyanagi
Publikováno v:
Surface and Interface Analysis. 37:265-269
A TiO 2 nanotube catalyst was synthesized and observed by analytical transmission electron microscopy (TEM) combined with scanning transmission electron microscopy (STEM) and electron energy-loss spectroscopy (EELS). It was revealed that the crystall
Publikováno v:
Journal of Electron Microscopy. 50:473-477
Gold nanoparticles were deposited on TiO2 nano-rods by a deposition precipitation method. This Au/TiO2 nano-rods catalyst is active for CO oxidation even at temperatures less than 273K and is as active as the catalyst of Au supported on conventional
Autor:
Tsuguo Koyanagi
Publikováno v:
Topics in Applied Physics ISBN: 9783642036200
An explanation of the new synthesizing method for mono-dispersed titanium oxide nanotubes (TNT) is provided. By using the latest transmission electron microscopy method, the electric structure, crystal structure, and morphology of the TNT were analyz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b7a2d2a5e753c07180643d342c0d1528
https://doi.org/10.1007/978-3-642-03622-4_3
https://doi.org/10.1007/978-3-642-03622-4_3
Publikováno v:
Chemistry Letters. 34:1094-1095
Controlled crystallization of titanium dioxide ultrafine particles in the presence of water-soluble polymer from peroxotitanic acid was investigated. Heating of aqueous solution of peroxotitanic ac...
Publikováno v:
Bulletin of the Chemical Society of Japan. 50:345-348
The ground-state electronic properties and electronic spectra of azuleno [5, 6, 7-cd]phenalene (I) and azuleno[1, 2, 3-cd]phenalene (II), which are isomers of the potent carcinogen benzo[a]pyrene (III), have been investigated by using the SCF screene