Enhanced photoelectrochemical performance of internally porous Au-embedded α-Fe₂O₃ photoanodes for water oxidation

Shinde, Pravin S.; Lee, Su Yong; Ryu, Jungho; Chʻoe, Sŏn-hŭi; Jang, Jum Suk

Enhanced photoelectrochemical performance of internally porous Au-embedded α-Fe₂O₃ photoanodes for water oxidation

2017

Shinde, Pravin S. | Lee, Su Yong | Ryu, Jungho | Chʻoe, Sŏn-hŭi | Jang, Jum Suk

We report internally porous Au-embedded hematite on FTO using CTAB. Incorporation of Au and CTAB synergistically improved the photocurrent of hematite by 63% at 1.23 VRHE in 1 M NaOH under standard illumination conditions. The performance enhancement is due to the increased donor density and optical properties of internally porous networks and plasmonic absorption of hematite.

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