What Are the Challenges in Achieving Stable Gold Nanoparticles?
Despite various strategies, achieving stable AuNPs remains challenging due to:
1. Complex Synthesis Processes: The synthesis of stable AuNPs often involves complex and multi-step processes, which can be difficult to scale up for industrial applications. 2. Trade-offs: Enhancing stability often comes at the cost of catalytic activity. For example, strong ligands might block active sites, reducing the overall activity of the catalyst. 3. Dynamic Environments: Catalytic reactions often occur under harsh conditions, including high temperatures and pressures, which can degrade even the most stable nanoparticles.