A novel thiophene-linked metalloporphyrin conjugated polymer: a highly efficient trifunctional electrocatalyst for overall water splitting and oxygen reduction

Lu, Song; Ying, Jiadi; Liu, Tiancun; Wang, Yeqing; Guo, Min; Shen, Qi; Li, Qing; Wu, Yong; Zhao, Yafei; Yu, Zhixin

doi:10.1039/d4ta02463j

J. Mater. Chem. A

2024

DOI: 10.1039/d4ta02463j

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A novel thiophene-linked metalloporphyrin conjugated polymer: a highly efficient trifunctional electrocatalyst for overall water splitting and oxygen reduction

Song Lu,

Jiadi Ying,

Tiancun Liu

et al.

Abstract: A thiophene-linked porphyrin (TP) conjugated polymer that serves as a support for anchoring single transition metal atoms (TM–N4/TP) exhibits trifunctional merit for the HER/OER/ORR.

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Polymer Networks Assembled by Ruthenium Catalysts for Enhanced Water Splitting Performance in Calixarene Dye‐Sensitized Photoelectrochemical Cells

Wang,

Tan,

Liu

et al. 2024

ChemSusChem

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Metal‐free photosensitizers for the construction of low‐cost and eco‐friendly dye‐sensitized photoelectrochemical cells (DSPECs) have recently been greatly improved, but the optimization of water oxidation catalysts (WOCs) used in DSPECs based on metal‐free dyes has received little attention. Herein, a series of polymer networks (RuTPA, RuCz, RuPr and RuTz) assembled by ruthenium WOCs (RuCHO) with various organic donors are constructed and combined with calixarene dyes to prepare DSPEC devices. The FTO|TiO2|C4BTP+RuTPA photoanode shows the best performance with 85% Faraday efficiency for oxygen production and 477 μA cm‐2 photocurrent density after 200 s chopping irradiation at 0 V vs. Ag/AgCl, one of the highest records among other reported dye‐sensitized photoanodes. Compared to monomeric RuCHO, Ru‐based polymers with lower Ru content have higher activity and stability due to their rapid electron transfer and anti‐aggregation ability. Meanwhile, RuTPA loaded electrodes show better performance due to the lower overpotential of the water oxidation reaction caused by the higher electron donating ability of its donor. This pioneering work incorporates Ru polymer networks as WOCs into the calixarene‐sensitized DSPEC system, which has significant potential as a highly efficient and stable photoelectrochemical water splitting device.

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Polymer Networks Assembled by Ruthenium Catalysts for Enhanced Water Splitting Performance in Calixarene Dye‐Sensitized Photoelectrochemical Cells

Wang,

Tan,

Liu

et al. 2024

ChemSusChem

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Edge-substituents and center metal optimization boosting oxygen electrocatalysis in porphyrin-based covalent organic polymers

Zhuo,

Ye,

Wang

et al. 2025

Journal of Colloid and Interface Science

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Photo-assisted highly efficient electrocatalytic N2 fixation on nonmetal-metal dual atom catalysts through the reversable evolution of active center

Xu,

Ding,

et al. 2025

Molecular Catalysis

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A novel thiophene-linked metalloporphyrin conjugated polymer: a highly efficient trifunctional electrocatalyst for overall water splitting and oxygen reduction

Abstract: A thiophene-linked porphyrin (TP) conjugated polymer that serves as a support for anchoring single transition metal atoms (TM–N4/TP) exhibits trifunctional merit for the HER/OER/ORR.

Cited by 3 publications

References 51 publications

Polymer Networks Assembled by Ruthenium Catalysts for Enhanced Water Splitting Performance in Calixarene Dye‐Sensitized Photoelectrochemical Cells

Polymer Networks Assembled by Ruthenium Catalysts for Enhanced Water Splitting Performance in Calixarene Dye‐Sensitized Photoelectrochemical Cells

Edge-substituents and center metal optimization boosting oxygen electrocatalysis in porphyrin-based covalent organic polymers

Photo-assisted highly efficient electrocatalytic N2 fixation on nonmetal-metal dual atom catalysts through the reversable evolution of active center

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