Integration of bio-inspired lanthanide-transition metal cluster and P-doped carbon nitride for efficient photocatalytic overall water splitting.

Chen, Rong; Zhuang, Gui-Lin; Wang, Zhi-Ye; Gao, Yi-Jing; Li, Zhe; Wang, Cheng; Zhou, Yang; Du, Ming-Hao; Zeng, Suyuan; Long, La-Sheng; Kong, Xiang-Jian; Zheng, Lan-Sun

Chen, Rong; Zhuang, Gui-Lin; Wang, Zhi-Ye; Gao, Yi-Jing; Li, Zhe; Wang, Cheng; Zhou, Yang; Du, Ming-Hao; Zeng, Suyuan; Long, La-Sheng; Kong, Xiang-Jian; Zheng, Lan-Sun.

Affiliation

Chen R; Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Physical Chemistry of Solid Surface and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.
Zhuang GL; College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, China.
Wang ZY; Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Physical Chemistry of Solid Surface and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.
Gao YJ; College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, China.
Li Z; Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Physical Chemistry of Solid Surface and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.
Wang C; Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Physical Chemistry of Solid Surface and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.
Zhou Y; Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Physical Chemistry of Solid Surface and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.
Du MH; Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Physical Chemistry of Solid Surface and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.
Zeng S; College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, China.
Long LS; Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Physical Chemistry of Solid Surface and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.
Kong XJ; Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Physical Chemistry of Solid Surface and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.
Zheng LS; Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Physical Chemistry of Solid Surface and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.

Natl Sci Rev ; 8(9): nwaa234, 2021 Sep.

Article in En | MEDLINE | ID: mdl-34691725

ABSTRACT

ABSTRACT

Photosynthesis in nature uses the Mn4CaO5 cluster as the oxygen-evolving center to catalyze the water oxidation efficiently in photosystem II. Herein, we demonstrate bio-inspired heterometallic LnCo3 (Ln = Nd, Eu and Ce) clusters, which can be viewed as synthetic analogs of the CaMn4O5 cluster. Anchoring LnCo3 on phosphorus-doped graphitic carbon nitrides (PCN) shows efficient overall water splitting without any sacrificial reagents. The NdCo3/PCN-c photocatalyst exhibits excellent water splitting activity and a quantum efficiency of 2.0% at 350 nm. Ultrafast transient absorption spectroscopy revealed the transfer of a photoexcited electron and hole into the PCN and LnCo3 for hydrogen and oxygen evolution reactions, respectively. A density functional theory (DFT) calculation showed the cooperative water activation on lanthanide and O-O bond formation on transition metal for water oxidation. This work not only prepares a synthetic model of a bio-inspired oxygen-evolving center but also provides an effective strategy to realize light-driven overall water splitting.

Key words

bio-inspired; lanthanide-transition metal cluster; oxygen-evolving center; photocatalytic overall water splitting; synergistic effects

Fulltext

Add to My VHL

XML

PubMed Links

Search on Google