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Updated: Jan 30, 2026

Scalable Syntheses of Graphene Oxide and Reduced Graphene Oxide using Cascade Design Oxidation and Highly Basic Reduction Reactions
Published on: July 3, 2025
Atomic zinc dispersed on graphene synthesized for active CO2 fixation to cyclic carbonates
Congwei Wang1, Qingwen Song, Kan Zhang
1CAS Key Laboratory of Carbon Materials, State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, 030001, P. R. China. wangcongwei@sxicc.ac.cn songqingwen@sxicc.ac.cn.
Abstract:
CO2 fixation to cyclic carbonates is important but depends on the catalyst. Here, atomic zinc (1.62 at%) dispersed on graphene was synthesized as a high-performance heterocatalyst for the cycloaddition reaction of epoxides and CO2. High yield (99%) and high selectivity (98%) of propylene carbonate with a TOF of 2889 h-1 were achieved. [ZnN3.76±0.2] was the active site, which was proved by advanced characterization, including synchrotron XANES, EXAFS and XPS and comparative performance tests.
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