In situ constructing atomic interface in ruthenium-based amorphous hybrid-structure towards solar hydrogen evolution

Dong Liu, Tao Ding (), Lifeng Wang, Huijuan Zhang, Li Xu, Beibei Pang, Xiaokang Liu (), Huijuan Wang, Junhui Wang, Kaifeng Wu and Tao Yao ()
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Dong Liu: University of Science and Technology of China
Tao Ding: University of Science and Technology of China
Lifeng Wang: Chinese Academy of Sciences
Huijuan Zhang: University of Science and Technology of China
Li Xu: University of Science and Technology of China
Beibei Pang: University of Science and Technology of China
Xiaokang Liu: University of Science and Technology of China
Huijuan Wang: University of Science and Technology of China
Junhui Wang: Chinese Academy of Sciences
Kaifeng Wu: Chinese Academy of Sciences
Tao Yao: University of Science and Technology of China

Nature Communications, 2023, vol. 14, issue 1, 1-10

Abstract: Abstract The rational steering and construction of efficient and stable atomic interfaces is highly desirable but rather challenging in solar energy conversion. Here, we report an in-situ oxygen impregnation strategy to build abundant atomic interfaces composed of homogeneous Ru and RuOx amorphous hybrid-mixture with ultrafast charge transfer, for solar hydrogen evolution with sacrificial agent free. Via in-situ synchrotron X-ray absorption and photoelectron spectroscopies, we can precisely track and identify the gradual formation of atomic interfaces towards homogeneous Ru-RuOx hybrid-structure at the atomic level. Benefiting from the abundant interfaces, the amorphous RuOx sites can intrinsically trap the photoexcited hole within an ultrafast process (

Date: 2023
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DOI: 10.1038/s41467-023-37451-7

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