空气中热还原温度对氧化石墨烯结构与防腐性能的影响

刘群峰; 梁文姿; 徐长安

doi:10.19554/j.cnki.1001-3563.2026.09.019

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包装工程（技术栏目） ›› 2026, Vol. 47 ›› Issue (9) : 177-185. DOI: 10.19554/j.cnki.1001-3563.2026.09.019

先进材料

空气中热还原温度对氧化石墨烯结构与防腐性能的影响

刘群峰¹, 梁文姿², 徐长安^3,*

作者信息 +

Effect of Thermal Reduction Temperature in the Air on the Structure and Anti-corrosion Performance of Graphene Oxide

LIU Qunfeng¹, LIANG Wenzi², XU Changan^3,*

Author information +

文章历史 +

摘要

目的本研究旨在探究空气条件下,不同热处理温度对氧化石墨烯（GO）热还原行为的影响,揭示“温度-结构-本征防腐性能”之间的内在关联。方法在空气环境下,分别于400、600、800 ℃下对GO进行热还原处理。采用傅里叶变换红外光谱、X射线光电子能谱、X射线衍射仪、拉曼光谱、扫描电子显微镜、原子力显微镜及电化学等多种表征手段,分析温度对GO化学结构、晶体形态、缺陷密度、表面形貌的调控规律及其对本征防腐性能的影响。结果随着热处理温度升高,GO中的含氧官能团逐步脱除,O/C比显著下降,但碳骨架缺陷增多,表面出现孔洞结构,片层堆叠方式发生变化。在800 ℃条件下,GO发生深度还原与部分氧化的竞争反应,且表面形成大尺寸孔洞与显著起伏。该条件下所得还原氧化石墨烯（rGO-800）表现出最优的本征防腐性能,其阻抗模量达4 133.8 Ω∙cm²,腐蚀电流低至1.694×10^-6A。结论本研究揭示了热处理过程中“温度-结构-本征防腐性能”之间的内在关联,明确了温度对GO热还原行为的调控机制,为结构可控、性能优化的还原GO材料制备提供了实验依据与理论指导。

Abstract

The work aims to investigate the effects of different heat treatment temperatures on the thermal reduction behavior of graphene oxide (GO) under air conditions and reveal the intrinsic relationship among "temperature - structure - intrinsic anti-corrosion performance". In an air environment, the GO was subject to thermal reduction treatment at temperatures of 400, 600, and 800 °C, respectively. By employing various characterization methods such as Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, X-ray diffraction, Raman spectroscopy, scanning electron microscopy, atomic force microscopy, and electrochemistry, the regulatory laws of temperature on the chemical structure, crystal morphology, defect density, and surface morphology of GO, as well as its effects on the intrinsic anti-corrosion performance, were analyzed. As the heat treatment temperature increased, the oxygen-containing functional groups in GO gradually disappeared, the O/C ratio significantly decreased, but the carbon skeleton defects increased, pores appeared on the surface, and the layer stacking mode changed. At a temperature of 800 ℃, GO underwent a competitive reaction between deep reduction and partial oxidation, and large-sized pores and significant undulations were formed on the surface. The reduced GO (rGO-800) obtained under these conditions exhibited the best intrinsic anti-corrosion performance, with an impedance modulus of 4 133.8 Ω∙cm² and a corrosion current as low as 1.694 × 10^-6A. This work reveals the intrinsic relationship among "temperature - structure - intrinsic anti-corrosion performance" during the heat treatment process, clarifies the regulatory mechanism of temperature on the thermal reduction behavior of GO, and provides experimental basis and theoretical guidance for the preparation of reduced GO materials with controllable structures and optimized performance.

导出引用

刘群峰, 梁文姿, 徐长安. 空气中热还原温度对氧化石墨烯结构与防腐性能的影响[J]. 包装工程. 2026, 47(9): 177-185 https://doi.org/10.19554/j.cnki.1001-3563.2026.09.019

LIU Qunfeng, LIANG Wenzi, XU Changan. Effect of Thermal Reduction Temperature in the Air on the Structure and Anti-corrosion Performance of Graphene Oxide[J]. Packaging Engineering. 2026, 47(9): 177-185 https://doi.org/10.19554/j.cnki.1001-3563.2026.09.019

中图分类号： TB32

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