Recent progress on molecular catalysts integrated photoelectrochemical systems for water oxidation

Wan, Xiaokang; Zhu, Guanghui; Zhou, Zhifu; Guan, Xiangjiu

doi:10.1016/j.mtcata.2024.100042

Materials Today Catalysis

2024

DOI: 10.1016/j.mtcata.2024.100042

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Recent progress on molecular catalysts integrated photoelectrochemical systems for water oxidation

Xiaokang Wan,

Guanghui Zhu,

Zhifu Zhou

et al.

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Sulfonate Group Improves the Solubility and Electrocatalytic Performance of Ru‐Based bda‐ and pda‐Type Water Oxidation Catalysts under Neutral Conditions

Kerkhof,

Breyer,

Smith

et al. 2024

Eur J Inorg Chem

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Four ruthenium water oxidation catalysts that bear carboxylate and sulfonate groups in the active site have been synthesized and analyzed for their catalytic activity. The sulfonate‐containing catalysts show higher electrochemical activity in pH 7 phosphate buffer with 3‐5 times larger catalytic current, improved durability with sacrificial oxidant, and increased solubility compared to similar species containing two carboxylate groups. Density functional theory calculations suggest that the sulfonate group provides more a favorable geometry for water nucleophilic attack, which is both the energetically most favorable mechanism calculated and the experimentally predicted mechanism under electrochemical conditions. Further experimental studies have been performed to show that under certain conditions catalysts can perform well electrochemically under pH conditions as low as 1.6 and that various structural components can greatly change solubility and catalytic operation.

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Sulfonate Group Improves the Solubility and Electrocatalytic Performance of Ru‐Based bda‐ and pda‐Type Water Oxidation Catalysts under Neutral Conditions

Kerkhof,

Breyer,

Smith

et al. 2024

Eur J Inorg Chem

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show abstract

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Recent progress on molecular catalysts integrated photoelectrochemical systems for water oxidation

Cited by 1 publication

References 92 publications

Sulfonate Group Improves the Solubility and Electrocatalytic Performance of Ru‐Based bda‐ and pda‐Type Water Oxidation Catalysts under Neutral Conditions

Sulfonate Group Improves the Solubility and Electrocatalytic Performance of Ru‐Based bda‐ and pda‐Type Water Oxidation Catalysts under Neutral Conditions

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