Atomic layer deposition enables multi-modal three-dimensional electron microscopy of isoporous membranes
Assaf Simon, Zhenzhen Zhang, Clarissa Abetz, Volker Abetz, Tamar Segal‐Peretz
Abstract
in the pore-forming domains of BCPs to create an internal and stable contrast difference between the blocks. This in turn allowed us to perform advanced three-dimensional characterization of the membranes with focused ion beam (FIB)-SEM and TEM tomography, providing an understanding of the 3D structure and properties such as 3D geometry of the pores, 3D tortuosity, and 3D permeability. This 3D characterization also provides better correlations between the membrane structure and its performance. Such knowledge can allow better design and fine-tuning of BCP membranes and other membranes for their applications.
Topics & Concepts
Layer (electronics)Materials scienceElectron microscopeMembraneDeposition (geology)Atomic layer depositionNanotechnologyModalChemistryPhysicsOpticsComposite materialBiologyPaleontologySedimentBiochemistryMembrane Separation TechnologiesNanopore and Nanochannel Transport StudiesBlock Copolymer Self-Assembly