轴联体诱导的高电催化进化活性分子cobaloximes在同质和异质介质
Jitendra Kumar Yadav1, Baghendra Singh2, Anjali Mishra1
1Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India. kamlesh.kumar@bhu.ac.in.
Dalton transactions (Cambridge, England : 2003)
|September 30, 2024
概括
三种新的cobaloxime复合物被合成并测试了电催化的进化. 综合体3在均质和异质系统中显示出高效率和稳定性,使其成为一个有前途的催化剂.
科学领域:
- 无机化学 无机化学
- 材料科学 材料科学 材料科学
- 电化学 电化学 电化学
背景情况:
- 对于催化应用,科巴洛克西姆复合物正在积极研究.
- 开发高效和稳定的电催化剂,以促进的演变,对于可再生能源技术至关重要.
研究的目的:
- 为了合成和表征新的分子cobaloxime复合体.
- 为了研究这些复合物的电催化活性,用于演化反应 (HER).
- 在同质和异质条件下评估它们的性能.
主要方法:
- 使用UV-Vis,NMR,FT-IR和PXRD进行合成和表征.
- 在乙二与乙酸 (均) 中评估电催化活性.
- 固定在活性炭布上 (CC) 进行异质催化.
- 电化学技术包括 chronoamperometry 在内.
主要成果:
- 三种新的cobaloxime复合物,[ClCo(dpgH) 2L] (1-3),已成功合成和表征.
- 复合体3在同质条件下表现出显著的电催化HER活性,具有较低的超电位 (640mV) 和高的周转频率 (524.57s-1).
- 固定复合体3 (3@CC) 在KOH的262 mV超电位下实现了-10 mA cm-2的电流密度,在10小时内表现出极好的稳定性,没有结构退化.
结论:
- 综合体3在同质和异质条件下表现出优越的电催化HER性能.
- 固定的3@CC催化剂表现出了显著的稳定性和稳定性,表明其在实际生产应用中的潜力.
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