Surface hydroxylated hematite promotes photoinduced hole transfer for water oxidation

Surface hydroxylated hematite promotes photoinduced hole transfer for water oxidation

An extremely simple sonication method is reported to hydroxylate a hematite surface without affecting its bulk properties. The surface hydroxyl groups serve as a hole collection layer that mediates the transfer of photoinduced holes, resulting in a considerably enhanced photocurrent.

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Bibliographische Detailangaben
Veröffentlicht in:Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2019, Vol.7 (14), p.8050-8054
Hauptverfasser: Tang, Changjin, Sun, Bowen, Li, Mingyang, Zhang, Jing, Fan, Xiaoli, Gao, Fei, Tong, Yexiang, Dong, Lin, Li, Yat
Format: Artikel
Sprache:eng
Schlagworte:
Hematite
Hydroxyl groups
Oxidation
Photoelectric effect
Photoelectric emission
Sonication
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Beschreibung
Zusammenfassung:An extremely simple sonication method is reported to hydroxylate a hematite surface without affecting its bulk properties. The surface hydroxyl groups serve as a hole collection layer that mediates the transfer of photoinduced holes, resulting in a considerably enhanced photocurrent.
ISSN:2050-7488
2050-7496
DOI:10.1039/C9TA00561G