The first observation, according to the best of knowledge, of a high-resolution 17.735-MHz 1 H NMR spectrum of uncured Heva rubber in a CS 2 solution was made in 1957 by Gutowsky et al., ...

Abstract: Nanostructures of polyvinyledenedifluoride-tetrafluoroethylene (PVDF-TrFE), a semicrystalline polymer with high piezoelectricity, results in significant enhancement of crystallinity and ...

(33) Herein, we report significant enhancement in piezoelectric coefficient, energy density, and dielectric permittivity in electrospun PVDF fibers with fluoro-doped graphene derivatives. The ...

Department of Civil and Mineral Engineering, University of Toronto, 35 St George Street, Toronto, Ontario M5S 1A4, Canada Department of Chemistry, University of Toronto, 80 St George Street, Toronto, ...

The NMR spectrum (¹H-NMR and ¹³C-NMR) is a graphical representation of nuclear resonance signals, with chemical shift (ppm) on the x-axis indicating the electronic environment of nuclei ...