A High Performance Triboelectric Nanogenerator Based on MXene/Graphene Oxide Electrode for Glucose Detection

Abstract

A smart sensing platform based on a triboelectric nanogenerator (TENG) possesses various advantages such as self-powering, convenience, real-time and biocompatibility. However, the detection limit of the TENG-based sensor is required to be improved. In this study, a high performance TENG-based glucose sensor was proposed by using the Ti3C2Tx (MXene)/graphene oxide (GO) composite electrode. The MXene and GO nanosheets are popular 2D materials which possessed high conductivity and a rich surface functional group. The MXene/GO thin films were prepared through electrostatic self-assembly technology, which can effectively impede the agglomeration of two nanoflakes. The as-prepared MXene/GO film presented outstanding mechanical property. To figure out the relationship between the nanostructure of MXene/GO film and the TENG, a series of MXene/GO-based TENG with different GO sizes was characterized. As a result, the TENG with 400 nm GO demonstrated the highest output performance. Subsequently, the optimized TENG was used in glucose detection application without the assistance of a glucose enzyme. This simple and flexible TENG shows promising potential in biosensors and non-invasive health monitoring.

Comparative Study of Preparation and Electrochemical Properties of Nb4C3Tx (T = –OH, –F, or =O) and (Nb0.8Ti0.05V0.05Zr0.05Ta0.05)4C3Tx (T = –OH, –F, or =O) MXenes

“…This attempt is also of informative interest in other applications. The present study reveals the importance of MXene nanosheets in promising applications in the functional energy storage fields [39][40][41].…”

Advances of Strategies to Increase the Surface Charge Density of Triboelectric Nanogenerators: A Review

“…Moreover, the triboelectric charge density of the reported TENG was found to be 50 µC m −2 . Yang et al [ 93 ] synthesized a MXene/GO thin film as the positive triboelectric layer of TENG using an electrostatic self‐assembly technology. Notably, the performance of MXene/GO film‐based TENGs was affected by the size of the GO sheets.…”

Triboelectric nanogenerator assisted synthesis and detection of chemical compounds

“…This correlation between the glucose concentration and output voltage assists in detecting the glucose in a solution. 155…”

“…This correlation between the glucose concentration and output voltage assists in detecting the glucose in a solution. 155 Dopamine is another crucial organic compound to monitor because it contributes to various neurological diseases, including Parkinson's disease. 156 Jiang et al 157 developed a liquid-solid LS-TENG that can detect dopamine from 0 mmol L −1 to 500 mmol L −1 .…”