Citation: Enqi Zhang, Fanyu Kong, Lina Dai, Xianglan Dong, Hongquan Jiang, Yanduo Liu, Yang Qu. Ni sites enhanced dual-Prussian blue analogs S-scheme photocatalyst for efficient CO₂ reduction[J]. Chinese Chemical Letters, ;2026, 37(10): 112479. doi: 10.1016/j.cclet.2026.112479 shu

Ni sites enhanced dual-Prussian blue analogs S-scheme photocatalyst for efficient CO₂ reduction

Enqi Zhang ^{a, 1} ,
Fanyu Kong ^{a, 1} ,
Lina Dai ^a ,
Xianglan Dong ^a ,
Hongquan Jiang ^{a, *,} ,
Yanduo Liu ^{a, *,} ,
Yang Qu ^{b, *,}

a.
School of Chemistry and Chemical Engineering, Harbin Normal University, Harbin 150025, China
b.
Key Laboratory of Functional Inorganic Materials Chemistry (Ministry of Education), School of Chemistry and Materials Science, International Joint Research Center for Catalytic Technology, Heilongjiang University, Harbin 150080, China

h.q.jiang1119@163.com

liuyd0608@163.com

quyang@hlju.edu.cn

Received Date: 29 August 2025
Revised Date: 22 January 2026
Accepted Date: 29 January 2026
Available Online: 29 January 2026

Figures(5)

Photocatalytic CO₂ reduction is a cutting-edge technology with significant strategic importance for mitigating climate change and advancing energy transitions. In this study, we developed a high-performance photocatalyst by constructing a tightly interfaced S-scheme heterojunction from Prussian blue analogs (PBAs). Using [Co²⁺(CN)₆]⁴⁻ as the base, we selected two PBAs with high energy-level matching and connected them via M-NC-Co-CN-M bonds. Experimental results showed that the optimized Ni/Zn-Co PBAs S-scheme photocatalyst achieved a CO₂ conversion rate of ~38 µmol g^-1 h^-1 (94.13% CO and 5.87% CH₄). This design effectively improved the utilization efficiency of photogenerated charges and enhanced redox capabilities, while the Ni site further boosted CO₂ activation. This study not only offers new insights into designing efficient PBA-based photocatalysts but also demonstrates the promise of S-scheme mechanism in improving photocatalytic CO₂ reduction activity.
- Zn-Co PBAs,
- Ni-Co PBAs,
- CO₂ reduction,
- S-scheme heterojunction
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Ni sites enhanced dual-Prussian blue analogs S-scheme photocatalyst for efficient CO2 reduction

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通讯作者: 陈斌, bchen63@163.com

Ni sites enhanced dual-Prussian blue analogs S-scheme photocatalyst for efficient CO₂ reduction