journal article·2023-06-05

Biomimetic Cu4 Cluster Encapsulated within Hollow Titanium-Oxo Nanoring for Electrochemical CO2 Reduction to Ethylene

Xi Fan, Jian Cheng, Mei Qiu, Yongfan Zhang, Shuai Chen, Zhangjing Zhang, Yang Peng, Jian Zhang, Lei Zhang

ACS Materials Letters· Volume 5· Issue 6
Publisher page

Abstract

The construction of biomimetic cluster catalysts with metalloenzyme-like active sites may open an avenue for the challenging transformation of greenhouse gases (e.g., CO 2 ) to high-value chemicals. Cu-enzymes occur in all three biological kingdoms, with Cu Z clusters serving as representative reaction sites that catalyze challenging transformations. However, artificial Cu clusters with analogous Cu Z structures and high stability are still rare. In this work, we have successfully adopted a Ti 9 -oxo nanoring as an inorganic templating scaffold to isolate a small Cu 4 cluster, which can be regarded as a atomically precise bioinspired cluster with metalloenzyme-like catalytic sites (Cu Z ). Importantly, Cu 4 @Ti 9 displays high selectivity for the electrocatalytic reduction of CO 2 to C 2 H 4 (FE: 47.6 ± 3.4%) at 400 mA cm –2 and good catalytic durability (8 h). The bioinspired Cu 4 @Ti 9 not only represents the first example of Cu cluster directly encapsulated by a metal-oxo shell but also opens the CO 2 electroreduction to ethylene applications of atomically precise metallic clusters.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Nanocluster Synthesis and Applications · CO2 Reduction Techniques and Catalysts · Metalloenzymes and iron-sulfur proteins

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

Affiliations

Fujian Provincial Key Laboratory of Polymer Materials, College of Chemistry and Materials Science, Fujian Normal University, 32 Shangsan Road, Fuzhou 350007, People’s Republic of China

Soochow Institute for Energy and Materials Innovations, College of Energy, Soochow University, Suzhou 215006, Jiangsu People’s Republic of China

College of Chemistry and Materials, Jiangxi Agricultural University, Jiangxi 330045, People’s Republic of China

College of Chemistry, Fuzhou University, Fuzhou 350116, People’s Republic of China

State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, People’s Republic of China

Institute of Modern Optics, College of Electronic Information and Optical Engineering, Nankai University, Tianjin 300350, People’s Republic of China

Funding

Natural Science Foundation of Fujian Province · National Natural Science Foundation of China

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