標題: Properties of Plasmon-Induced Photoelectric Conversion on a TiO2/NiO p-n Junction with Au Nanoparticles
作者: Nakamura, Keisuke
Oshikiri, Tomoya
Ueno, Kosei
Wang, Yongming
Kamata, Yoshiomi
Kotake, Yuki
Misawa, Hiroaki
應用化學系
應用化學系分子科學碩博班
Department of Applied Chemistry
Institute of Molecular science
公開日期: 17-Mar-2016
摘要: We have successfully fabricated all-solid-state plasmonic photoelectric conversion devices composed of titanium dioxide (TiO2)/nickel oxide (NiO) p-n junctions with gold nanoparticles (Au-NPs) as prototype devices for a plasmonic solar cell. The characteristics of the crystal structures and the photoelectric properties of the all-solid-state devices were demonstrated. We observed that the crystalline structure of the NiO thin film and the interfacial structure of TiO2/Au-NPs/NiO changed significantly during an annealing treatment. Furthermore, the photoelectric conversion devices exhibited plasmon-induced photocurrent generation in the visible-wavelength region. The photo current may result from plasmon-induced charge separation. The photoelectric conversion properties via plasmon-induced charge separation were strongly correlated with the morphology of the TiO2/Au-NPs/NiO interface. The long-term stability of the plasmonic photoelectric conversion device was found to be very high because a stable photocurrent was observed even after irradiation for 3 days.
URI: http://dx.doi.org/10.1021/acs.jpclett.6b00291
http://hdl.handle.net/11536/133471
ISSN: 1948-7185
DOI: 10.1021/acs.jpclett.6b00291
期刊: JOURNAL OF PHYSICAL CHEMISTRY LETTERS
Volume: 7
Issue: 6
起始頁: 1004
結束頁: 1009
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