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Surface hydroxylated hematite promotes photoinduced hole transfer for water oxidation

Author:
Tang, Changjin, Sun, Bowen, Li, Mingyang, Zhang, Jing, Fan, Xiaoli, Gao, Fei, Tong, Yexiang, Dong, Lin, Li, Yat
Source:
Journal of materials chemistry A 2019 v.7 no.14 pp. 8050-8054
ISSN:
2050-7496
Subject:
electric current, hematite, hydroxylation, moieties, oxidation, sonication
Abstract:
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.
Agid:
6363456