Durable flexible direct current generation through the tribovoltaic effect in contact-separation mode

Abstract

The tribovoltaic effect at the dynamic semiconductor interfaces has been an emerging hot topic due to its potential impact in energy harvesting and smart electronics. Previously, this effect is mainly...

Dynamic molecular tunnel junctions based on self-assembled monolayers for high tunneling current triboelectricity generation

“…6a) in contact with a layer of PhCHCF 3 -modified Au (1 × 1 cm 2 ) in contact-separation mode. 35 More detailed instructions and characterization studies are shown in the Methods section and ESI Fig. S10 †.…”

Pursuing the tribovoltaic effect for direct-current triboelectric nanogenerators

“…42 Fig. 6 in detail evaluates various DC-TENG devices based on six different parameters, including current density, 5,[8][9][10]16,18,20,22,24,[43][44][45] peak power density, 5,8,9,[16][17][18]22,24,[43][44][45][46] open-circuit voltage, 5,8,16,18,20,21,24,34,35,39,44,[47][48][49] short-circuit current, 5,8,10,11,16,18,20,21,24,34,35,39,…”

“…The work functions of different semiconductors vary with the doping types and doping concentrations. Even the same type of 5,8,9,[16][17][18]22,24,[43][44][45][46] (c) Open-circuit voltage. 5,8,16,18,20,21,24,34,35,39,44,[47][48][49] (d) Short-circuit current.…”

“…More specifically, DC-TENG powered electronics encompass but are not limited to wearable electronic watches, electronic calculators, temperature and humidity meters, and smart bracelets. 18,34,45 For IoTs applications, the DC-TENG does not require a rectifier bridge to light up LEDs or light bulbs, 8,16,17,22,24 which is promising in the direct powering and modulation of various smart sensors or electronics in future IoTs. For sensing applications, DC-TENG hybridized with wind energy or wind-driven semiconductor DC-TENGs can be used for graphene photodetectors and UV sensors.…”

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

“…It possesses outstanding characteristics such as high energy conversion efficiency [ 7 , 8 ], abundant materials resource [ 9 , 10 ], a simple fabrication process [ 11 , 12 ] and multifunctional integration [ 13 , 14 ]. Since being invented in 2012 [ 15 ], it has made substantial improvements by various approaches including materials design [ 16 , 17 ], architecture modification [ 18 , 19 ] and concept development [ 20 , 21 ]. Especially, TENG-based sensors have attracted the wide attention of researchers [ 22 ].…”