Understanding Alkali Contamination in Colloidal Nanomaterials to Unlock Grain Boundary Impurity Engineering
Se‐Ho Kim, Su‐Hyun Yoo, Poulami Chakraborty, Jiwon Jeong, Joohyun Lim, Ayman A. El‐Zoka, Xuyang Zhou, Leigh T. Stephenson, Tilmann Hickel, Jörg Neugebauer, Christina Scheu, Mira Todorova, Baptiste Gault
Abstract
calculations, we provide a detailed mechanism to explain how surface-bound impurities become trapped at grain boundaries that form as the particles coalesce during synthesis, possibly facilitating their decohesion. If controlled, impurity integration into grain boundaries may offer opportunities for designing new nanogels.
Topics & Concepts
ImpurityGrain boundaryChemistryNanomaterialsChemical physicsCatalysisNanotechnologyAlkali metalNanoparticleColloidContaminationChemical engineeringCrystallographyPhysical chemistryMaterials scienceMicrostructureOrganic chemistryEcologyBiologyEngineeringQuantum Dots Synthesis And PropertiesGold and Silver Nanoparticles Synthesis and ApplicationsNanocluster Synthesis and Applications