Advanced functionalities of Gd0.1Ta0.1Ti0.1O2 ceramic powder/P(VDF-TrFE) films for enhanced triboelectric performance

Abstract

Triboelectric nanogenerator (TENG) had gained significant traction for their adeptness in converting diverse mechanical energies into electrical power. However, maintaining operational efficiency and stability amidst environmental temperature fluctuations had been a pressing concern. In this study, we addressed this challenge by leveraging Gd0.1Ta0.1Ti0.1O2(GTT) ceramic powder to engineer temperature-stable dielectric materials with heightened dielectric constants. These materials were seamlessly integrated with P(VDF-TrFE) to fabricate a composite thin film serving as the GTT-TENG triboelectric layer. The resultant GTT-TENG demonstrated remarkable electrical attributes, boasting an open-circuit voltage (VOC) of 134.6 V and a short-circuit current (ISC) of 3.75 μA, excellent P(VDF-TrFE) thin film-based TENGs. Notably, the relative change in VOC and ISC over a temperature range from −10°C to 180°C was recorded at 17.21% and 22.53%, respectively. Furthermore, the GTT-TENG showcased its capacity to concurrently power 60 LEDs, underscoring its versatility as a self-powered device. This study not only propelled TENG performance from a materials-centric standpoint but also alleviated its susceptibility to environmental temperature, thereby broadening its potential utility across diverse applications.