journal article·2024-07-01

Collaboration between Iridium Clusters and the {111} Dominant Facet of Cu2O for Triggering Efficient N2 Photofixation

Wensheng Zhang, Qingmei Tan, Tianren Liu, Zhishan Liang, Youlin Huang, Ying He, Dongxue Han, Dongdong Qin, Li Niu

ACS Materials Letters· Volume 6· Issue 7
Publisher page

Abstract

The exploration of advanced photocatalysts for efficient N 2 reduction reaction (NRR) by integrating facet-engineering and realistic N 2 active sites is very promising, but it remains a challenge due to the absence of rational structural design and atomic-level insights into molecular N 2 activation. Herein, the same main group transition metal (e.g., Co, Rh, and Ir) clusters were ingeniously modified onto the dominant {111} crystal facet of Cu 2 O nanocrystal, aiming to track the synergistic effect of various N 2 active sites and facet-engineering for efficient N 2 photofixation. Intriguingly, further theoretical studies reveal that the incorporating Ir clusters can improve light absorption ability, accelerate photogenerated charge separation and transfer, and lower the reaction energy barrier, thereby expressively promoting the real photoreactivity. The present work offers a promising approach to cooperatively regulate the facet-engineering and N 2 active centers at the atomic level, expecting to guide innovative design of smart NRR systems.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Advanced Photocatalysis Techniques · Ammonia Synthesis and Nitrogen Reduction · Copper-based nanomaterials and applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Civil Engineering c/o Center for Advanced Analytical Science, School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, P. R. China

School of Chemistry and Chemical Engineering Guangzhou Key Laboratory of Sensing Materials & Devices, Center for Advanced Analytical Science, Guangzhou University, Guangzhou 510006, P. R. China

School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, P. R. China

Funding

Guangdong Provincial Department of Science and Technology · Bureau of Education of Guangzhou Municipality · Ministry of Education of the People's Republic of China · National Key Research and Development Program of China · Science and Technology Department of Xinjiang Uyghur Autonomous Region · Basic and Applied Basic Research Foundation of Guangdong Province · Guangzhou Municipal Science and Technology Bureau · Department of Education of Guangdong Province · Guangzhou Municipal Science and Technology Project · National Natural Science Foundation of China · Provincial Science and Technology Plan Project

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