| ○種別 (必須): | □ | 学術論文 (審査論文)
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| ○言語 (必須): | □ | 英語
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| ○著者 (必須): | 1. | (英) Liu, Jingyuan (日) (読)
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| 2. | (英) Hisatomi, Takashi (日) (読)
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| 3. | (英) Murthy, Dharmapura HK (日) (読)
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| 4. | (英) Zhong, Miao (日) (読)
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| 5. | (英) Nakabayashi, Mamiko (日) (読)
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| 6. | (英) Higashi, Tomohiro (日) (読)
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| 7. | (英) Suzuki, Yohichi (日) (読)
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| 8. | (英) Matsuzaki, Hiroyuki (日) (読)
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| 9. | (英) Seki, Kazuhiko (日) (読)
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| 10. | 古部 昭広 ([徳島大学.ポストLEDフォトニクス研究所]/[徳島大学.理工学部.理工学科.光システムコース.光機能材料講座])
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| 11. | (英) Shibata, Naoya (日) (読)
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| 12. | (英) Katayama, Masao (日) (読)
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| 13. | (英) Minegishi, Tsutomu (日) (読)
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| 14. | (英) Domen, Kazunari (日) (読)
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| ○題名 (必須): | □ | (英) Enhancement of Charge Separation and Hydrogen Evolution on Particulate La5Ti2CuS5O7 Photocathodes by Surface Modification (日)
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| ○要約 (任意): | □ | (英) Particulate La5Ti2CuS5O7 (LTC) photocathodes prepared by particle transfer show a positive onset potential of 0.9 V vs RHE for the photocathodic current in photoelectrochemical (PEC) H2 evolution. However, the low photocathodic current imposes a ceiling on the solar-to-hydrogen energy conversion efficiency of PEC cells based on LTC photocathodes. To improve the photocurrent, in this work, the surface of Mg-doped LTC photocathodes was modified with TiO2, Nb2O5, and Ta2O5 by radio frequency reactive magnetron sputtering. The photocurrent of the modified Mg-doped LTC photocathodes was doubled because these oxides formed type-II heterojunctions and extended the lifetimes of photogenerated charge carriers. The enhanced photocathodic current was attributed to hydrogen evolution at a positive potential of +0.7 V vs RHE. This work opens up possibilities for improving PEC hydrogen evolution on particulate photocathodes based on surface oxide modifications and also highlights the importance of the band gap alignment. (日)
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| ○キーワード (推奨): |
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| ○誌名 (必須): | □ | The Journal of Physical Chemistry Letters ([アメリカ化学会])
(pISSN: 1948-7185)
| ○ISSN (任意): | □ | 1948-7185
ISSN: 1948-7185
(eISSN: 1948-7185) Title: The journal of physical chemistry lettersTitle(ISO): J Phys Chem LettPublisher: American Chemical Society (NLM Catalog)
(Scopus)
(CrossRef)
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| ○巻 (必須): | □ | 8
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| ○号 (必須): | □ | 2
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| ○頁 (必須): | □ | 375 379
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| ○都市 (任意): |
| ○年月日 (必須): | □ | 西暦 2016年 12月 29日 (平成 28年 12月 29日)
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| ○URL (任意): |
| ○DOI (任意): | □ | 10.1021/acs.jpclett.6b02735 (→Scopusで検索)
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| ○PMID (任意): | □ | 28033010 (→Scopusで検索)
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| ○備考 (任意): | 1. | (英) Article.ELocationID: 10.1021/acs.jpclett.6b02735 (日)
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| 2. | (英) Article.PublicationTypeList.PublicationType: Journal Article (日)
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