Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Kenji Sunahara"'
Autor:
Kenji Sunahara, Shinji Yamashita, Masaharu Yamamoto, Michiaki Ikeda, Hiroshi Nishikawa, Kenji Matsuda, Motohiro Kaneta
Publikováno v:
Tribology Online, Vol 3, Iss 2, Pp 40-43 (2008)
The paper describes a newly developed smart device, which can detect the dielectric breakdown of the grease elastohydrodynamic film formed between a steel ball loaded against a glass disc due to electric discharge, while observing the shape and thick
Externí odkaz:
https://doaj.org/article/aa22537b17cd4b0688f11431301272c8
Publikováno v:
Journal of the Society of Materials Science, Japan. 66:675-681
Autor:
Jason D. Azoulay, Kenji Sunahara, Guillermo C. Bazan, Brendan Wright, Andrew Nattestad, Attila J. Mozer, Akihiro Furube, Tracey M. Clarke
Publikováno v:
The Journal of Physical Chemistry C. 119:12829-12837
The rate of photoinduced electron transfer (PET) (κPET), quantum yield of PET (QYPET), and charge extraction yield (EQE) are determined for a series of donor–acceptor (DA) organic photovoltaic systems, comprising low-band-gap polymer donors and th
Publikováno v:
SAE Technical Paper Series.
Autor:
Jeff Peet, Kenji Sunahara, Christoph Lungenschmied, Attila J. Mozer, Akihiro Furube, Tracey M. Clarke, Nicolas Drolet
Publikováno v:
Advanced Energy Materials. 3:1473-1483
Light induced degradation has been observed in the performance of organic solar cells in the absence of oxygen and a detailed analysis of the effect of this photodegradation on optical and electrical features has been accomplished. This photodegradat
Autor:
Matthew J. Griffith, Pawel Wagner, Gordon G. Wallace, Akihiro Furube, Shogo Mori, Kenji Sunahara, Attila J. Mozer, David L. Officer
Publikováno v:
The Journal of Physical Chemistry C. 117:11885-11898
The origin of simultaneous improvements in the short-circuit current density (Jsc) and open-circuit voltage (Voc) of porphyrin dye-sensitized TiO2 solar cells following white light illumination was studied by systematic variation of several different
Autor:
Tsutomu Miyasaka, Junichi Ogawa, Xuehua Zhang, Yu Uemura, Yan Cui, Shogo Mori, Kenji Sunahara, Akihiro Furube, Kohjiro Hara, Nagatoshi Koumura
Publikováno v:
The Journal of Physical Chemistry C. 117:2024-2031
Most metal-free organic dyes for dye-sensitized solar cells are designed by following a donor conjugated-bridge acceptor structure with a carboxyl acid as an anchoring unit. In this work, we examined the influence of a nonconjugated methylene unit be
Autor:
David L. Officer, Pawel Wagner, Shogo Mori, Kenji Sunahara, Attila J. Mozer, Ryuzi Katoh, Matthew J. Griffith, Akihiro Furube, Gordon G. Wallace
Publikováno v:
The Journal of Physical Chemistry C. 115:22084-22088
We performed a detailed and quantitative spectroscopic study of the electron injection dynamics for porphyrin as one of organic dyes at an adequate level to discuss the dye-sensitized solar cell performance. The electron injection kinetics and the el
Autor:
Yamashita Shinji, Motohiro Kaneta, Kenji Sunahara, Ishida Yuji, Kenji Matsuda, Masaharu Yamamoto, Hiroshi Nishikawa
Publikováno v:
Tribology Transactions. 54:730-735
The dielectric breakdown characteristics of three types of grease used in motors are compared by direct observations of flashes caused by the electric discharge between surfaces composed of a steel ball and a glass disc coated with chromium and indiu
Autor:
Nagatoshi Koumura, Shogo Mori, Kohjiro Hara, Atsunori Mori, Eiji Suzuki, Kenji Sunahara, Takao Abe, Masanori Miyashita, Tomohiro Nishikawa, Yu Uemura
Publikováno v:
Journal of the American Chemical Society. 130:17874-17881
Electron diffusion coefficient, lifetime, and density in the TiO(2) electrode of dye-sensitized TiO(2) solar cells (DSCs) employing I(-)/I(3)(-) redox couples were measured with eight different metal-free organic dyes and three Ru complex dyes. At ma