Construction of P/Ag@AgCo PBA hollow cuboid and its bifunctional activity for water splitting

Wenhao Liao, Qinghua Yang, Haiben Jiang and Pengwei Liu

Renewable Energy, 2025, vol. 242, issue C

Abstract: Silver (Ag) and phosphorus (P) doping have been demonstrated to optimize electron density, enhance conductivity, and accelerate electron transfer. Moreover, construction of hollow structures can expose more active sites, significantly improving the performance of catalysts. Therefore, developing P/Ag-doped hollow structures for water splitting is highly promising and meaningful. However, similar studies remain rarely reported. In this work, we designed and synthesized a P-doped Ag3[Co(CN)6] hollow cuboid, named as P/Ag@AgCo PBA, aiming to develop an efficient and high-performance water splitting catalyst. Benefiting from its hollow structure and P/Ag co-doping, the optimized P/Ag@AgCo PBA-1 exhibited outstanding catalytic activity.•In the hydrogen evolution reaction (HER), it achieved a current density of 10 mA cm−2 at a low overpotential (η10) of 117 mV with a Tafel slope of 43.6 mV dec−1.•In the oxygen evolution reaction (OER), the η10 was 253 mV, and the Tafel slope was 65.3 mV dec−1.

Keywords: Bifunctional electrocatalyst; P/Ag-doped hollow cuboid; Transition metal phosphides; Overall water splitting (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:242:y:2025:i:c:s096014812500045x

DOI: 10.1016/j.renene.2025.122383

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