Structural, electrical, and photothermal conversion studies of triglycine sulfate/graphene oxide composites for pyroelectric detector and energy harvesting applications

Abstract

The aim of this study is to investigate the figures of merit for pyroelectric detectors and energy harvesting of polycrystalline triglycine sulfate (TGS) loaded with different weight ratios of graphene oxide (GO). FTIR, XRD, and DSC techniques are used to characterize the synthesized composites. Structural changes in TGS upon GO loading correlate to the subsequent variations in composites' dielectric, pyroelectric, optical, and photothermal properties. The results revealed that doping TGS by low content of GO (1% – 5% by weight) could improve its photothermal effectiveness and figures of merit for pyroelectric detectors and energy harvesting applications.