催化剂的多功能设计是电催化分解水的关键,有鉴于此,加州大学圣克鲁兹分校陈少伟、平远等报道了4-乙基苯基乙炔修饰的1.7±0.3 nm粒径的Ir纳米粒子(Ir-C≡),展示了在酸性/碱性条件中都显著提高了HER、OER电催化活性,进一步的发现这种炔基修饰的Ir和氮卡宾/巯基修饰的Ir纳米粒子反应活性有明显区别。特别是在碱性环境中的HER/OER性能比商业Ir/C、Pt/C的催化活性更高。
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参考文献
Yi Peng, Qiming Liu, Bingzhang Lu, Ting He, Forrest Nichols, Xiao Hu, Tiffanie Huang, Grace Huang, Lizette Guzman, Yuan Ping*, and Shaowei Chen*, Organically Capped Iridium Nanoparticles as High-Performance Bifunctional Electrocatalysts for Full Water Splitting in Both Acidic and Alkaline Media: Impacts of Metal–Ligand Interfacial Interactions, ACS Catal. 2021, 11, 1179–1188
DOI: 10.1021/acscatal.0c03747
https://pubs.acs.org/doi/10.1021/acscatal.0c03747