title: Origin and scaling of the permanent dipole moment in CdSe nanorods.
abstract: Transient electric birefringence measurements were performed on dilute solutions of CdSe nanorods. The results confirm the existence of a permanent dipole along the c-crystallographic axis. Measurements on nanorods with different widths and lengths show that the longitudinal permanent dipole moment scales linearly with volume, suggesting it arise from the noncentrosymmetric crystallographic lattice.
authors.affiliation: Department of Chemistry, University of California, Berkeley, California 94720, USA.
authors.forename: Liang-Shi
authors.initials: LS
authors.lastname: Li
authors.forename: A Paul
authors.initials: AP
authors.lastname: Alivisatos