Effects of amine-based covalent organic framework on platinum electrocatalyst performance towards hydrogen evolution reaction

• DOI: 10.1016/j.nanoen.2024.109947
• Publication Date: 2024-07-02T09:17:42Z
• Authors: Jung Hyun Park; Chi Ho Lee; Siying Yu; Priti Kharel; Roady Choi; Cheng Zhang; Pinshane Y. Huang; Joseph Sang-Il Kwon; Hong Yang

Performance of electrocatalyst in an aqueous electrolyte is greatly influenced by the structure electrolyte-electrocatalyst interface. Regulating mass transfer important controlling surface reactions to alter overall reaction kinetics. Thus, modification interfacial structures effective approach improving electrocatalytic performance. In this paper, we report use functionalized amine-based covalent organic frameworks (COFs) as modifier properties facilitating proton hydrogen evolution (HER) acidic medium. Results from electrochemical solid-liquid interface (ESLI)-based density functional theory (DFT) calculations suggest that COFs increase local concentration at COF-electrocatalyst Our simulation data indicates enhancement HER activity achieved partially through protonation site secondary amine COF on electrode surface, suggesting a new mode for