Selective Etching of Binary Nanoparticle Superlattices via Thermally-induced Asymmetric Ligand Evolution

Key Points

• The research aims to develop a method for selective etching of nanoparticle superlattices for advanced material applications.
• Utilized a single etchant to target NaYF4/Fe3O4 nanoparticles.
• Exploited thermally-induced evolution of oleate ligands.
• Assessed the effectiveness of the etching process on nanoparticle structures.
• Successful selective etching observed in binary nanoparticle superlattices.
• Demonstrated potential for controlled modification of nanoparticle properties.