Zobrazeno 1 - 10
of 133
pro vyhledávání: '"Yuhei Ogomi"'
Autor:
Hiroji Hosokawa, Ryo Tamaki, Takuya Sawada, Akinori Okonogi, Haruyuki Sato, Yuhei Ogomi, Shuzi Hayase, Yoshitaka Okada, Toshihiro Yano
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-8 (2019)
Intermediate-band solar cell presents a possible route to break the Shockley-Queisser limit but the fabrication has been difficult. Here Hosokawa et al. exhibit working cells at room temperature in solution processed quantum dot-perovskite system wit
Externí odkaz:
https://doaj.org/article/5296be188f6d4713a524c8ef339f2b2e
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e52538967877002bed278ce739253413
https://doi.org/10.1007/s11051-020-04787-w
https://doi.org/10.1007/s11051-020-04787-w
Autor:
Akinori Saeki, Masahiko Hada, Hikaru Oga, Yuhei Ogomi, Ryosuke Nishikubo, Shohei Kanno, Kento Yamada, Yutaka Imamura, Shuzi Hayase
Publikováno v:
ACS Photonics. 5:3189-3197
Organic–inorganic metal halide perovskites (MHPs) exhibit prominent electronic and optical properties benefiting the performance of solar cells and light-emitting diodes. However, the dielectric properties of these materials have remained poorly un
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d0ce54e054024f400169bd2904145e91
https://doi.org/10.1021/acsphotonics.8b00422
https://doi.org/10.1021/acsphotonics.8b00422
Autor:
Daisuke Hirotani, Takashi Minemoto, Yuhei Ogomi, Kenji Yoshino, Qing Shen, Muhammad Akmal Kamarudin, Nozomi Ito, Satoshi Iikubo, Shuzi Hayase, Yaohong Zhang
Publikováno v:
Journal of Physical Chemistry Letters. 9(7):1682-1688
Lead-based perovskite solar cells have gained ground in recent years, showing efficiency as high as 20%, which is on par with that of silicon solar cells. However, the toxicity of lead makes it a nonideal candidate for use in solar cells. Alternative
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bfb7550b9cdb29163c22eb567908801d
https://kyutech.repo.nii.ac.jp/records/5865
https://kyutech.repo.nii.ac.jp/records/5865
Autor:
Hisashi Masui, Yuhei Ogomi, Tatsuo Kaiho, Takashi Takahashi, Shuzi Hayase, Shinichiro Fuse, Ayaka Yamamura, Masato M. Maitani, Hiroshi Tanaka, Yuji Wada
Publikováno v:
Asian Journal of Organic Chemistry. 7:458-464
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4fd69d84d8c4f702a0c7af365e055526
https://doi.org/10.1002/ajoc.201700542
https://doi.org/10.1002/ajoc.201700542
Autor:
Yuhei Ogomi, Taro Toyoda, Takashi Minemoto, Teresa S. Ripolles, Songyuan Dai, Qing Shen, Kenji Yoshino, Chao Ding, Yaohong Zhang, Shuzi Hayase, Feng Liu
Publikováno v:
The Journal of Physical Chemistry Letters. 9:294-297
Photoexcited electron injection dynamics from CsPbI3 quantum dots (QDs) to wide gap metal oxides are studied by transient absorption spectroscopy. Experimental results show under a low excitation intensity that ∼99% of the photoexcited electrons in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::14c46496c748173bfb8e97bf98e63699
https://doi.org/10.1021/acs.jpclett.7b03062
https://doi.org/10.1021/acs.jpclett.7b03062
Publikováno v:
The Journal of Physical Chemistry C. 121:27797-27804
To aid the development of Pb-free perovskite solar cells, the stability of the iodide perovskite structure ABI3 has been investigated by first-principles calculations, Bader charge analysis, and the cluster expansion method. At the A sites, methylamm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a6f91224868f54120b2edf0b13801357
https://doi.org/10.1021/acs.jpcc.7b07910
https://doi.org/10.1021/acs.jpcc.7b07910
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::897350c958a665d5fc0072a0fef80b50
https://doi.org/10.1021/acs.jpcc.7b04019
https://doi.org/10.1021/acs.jpcc.7b04019
Publikováno v:
Journal of Modern Physics. :522-530
Recently, semiconductor quantum dot (QD) sensitized solar cells (QDSSCs) are expected to achieve higher conversion efficiency because of the large light absorption coefficient and multiple exciton generation in QDs. The morphology of TiO2 electrode i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::629a7b40809fc44339cb1f7b34e85633
https://doi.org/10.4236/jmp.2017.84034
https://doi.org/10.4236/jmp.2017.84034
Autor:
Yuhei Ogomi, Chao Ding, Jin Chang, Shuzi Hayase, Yaohong Zhang, Qing Shen, Taro Toyoda, Kenji Katayama
Publikováno v:
Physical Chemistry Chemical Physics. 19:6358-6367
The surface chemistry of colloidal quantum dots (QDs) plays an important role in determining the photoelectric properties of QD films and the corresponding quantum dot heterojunction solar cells (QDHSCs). To investigate the effects of the ligand stru
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::230cfca920dccdc99c2a5992899a0da0
https://doi.org/10.1039/c6cp06561a
https://doi.org/10.1039/c6cp06561a