Efficient Measurement of Length Distribution of 1D Nanoparticles in Solution <i>via</i> Optical Polarimetry.

ABSTRACT: The efficient measurement of the length distribution of nanotubes, nanowires, and other one-dimensional (1D) nanoparticles in solution is important to enable their incorporation into materials and devices and to optimize their processing for properties of interest, such as thermal/electrical conductivity or mechanical strength, in suspensions and composites. We report an electric-field (E-field)-assisted optical-polarimetry technique to measure the length distribution of ensembles of high-aspect-ratio particles in dilute suspension. The degree of alignment of polarizable 1D particles suspended in a fluid under Brownian motion explicitly depends on the E-field strength and the particle length. We show that it is possible to extract the length distribution of 1D nanoparticles s

SUBMITTER: Castellano RJ 

PROVIDER: S-EPMC12713781 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature