腐蚀抑制中的化合物的计算探索:氧和醇的案例研究
1Innovative Durable Building and Infrastructure Research Center, Center for Creative Convergence Education, Hanyang University ERICA, 55 Hanyangdaehak-ro, Sangrok-gu, Ansan-si 15588, Gyeonggi-do, Republic of Korea.
橄提取物中的化合物氧和醇显示出对铁表面的吸附有希望,用于抑制腐蚀. 计算研究揭示了它们的电子相互作用和稳定性,为环保的抗腐蚀战略铺平了道路.
科学领域:
- 材料科学 材料科学 材料科学
- 计算化学计算化学
- 电化学 电化学 电化学
背景情况:
- 材料腐蚀带来了重大的经济和基础设施挑战.
- 环保的腐蚀抑制剂对于可持续的工业实践至关重要.
- 植物化学物质具有作为有效和绿色腐蚀抑制剂的潜力.
研究的目的:
- 以计算方式研究氧醇 (HTR) 和醇 (TRS) 在铁表面的吸附和反应性.
- 了解这些化合物作为潜在的腐蚀抑制剂的电子相互作用和稳定性.
- 探索HTR和TRS在与铁共吸收时的协同效应.
主要方法:
- 自相一致的电荷密度功能紧固结合 (SCC-DFTB) 模拟.
- 分子动力学 (MD) 模拟.分子动力学 (MD) 模拟.
- 量子化学计算 (QCC) 包括全球和局部反应性描述器.
主要成果:
- 无论是HTR还是TRS都与铁原子协调,HTR在协同吸附时保持结合.
- 当HTR和TRS一起被吸附时 (-1.976 eV) 的相互作用能量比单独吸附时更为负.
- 模拟MD表明并行吸附,HTR显示更高的吸附能量.
- QCC证实了SCC-DFTB关于电子转移的发现,突出了易发生相互作用的地点.
结论:
- HTR和TRS在铁表面表现出有利的吸附特性,表明它们作为有效的腐蚀抑制剂的潜力.
- 合并吸附HTR和TRS可能为增强腐蚀保护提供协同效益.
- 这些发现支持开发先进的,来自自然的抗腐蚀策略.
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