Surface ligands can enhance rather than just hinder nanoparticle catalytic activity

Science · Published 19 October 2026 Swipe more like this →

In short: While it was long believed that surface ligands on metal nanoparticles simply blocked active sites and slowed down chemical reactions, a review of recent research shows they can actually improve performance. By creating an inorganic–organic interface, these molecules can be used to fine-tune the environment around a catalyst.

The study categorizes three primary ways ligands provide benefits: steric effects (physical space), electronic effects (charge distribution), and solubility. These factors allow researchers to manipulate catalytic selectivity and activity more precisely than with bare particles.

This review synthesizes research from the last decade, including density functional theory calculations. However, because it is a summary of existing literature rather than new experimental data, it reflects current academic consensus rather than providing new primary evidence.

Why it matters: Understanding how molecules interact with surfaces allows scientists to engineer more efficient catalysts for chemical reactions.

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