▎ 摘　　要

NOVELTY - Reduced graphene oxide-conducting polymer-polydimethylsiloxane composite comprises a nanohybrid of a reduced graphene oxide and a conducting polymer, where the nanohybrid is dispersed in a polydimethylsiloxane matrix, the nanohybrid of the reduced graphene oxide and the conducting polymer comprises of a dopant comprising para-toluene sulfonic acid, camphor sulfonic acid, 3-naphthalene sulfonic acid, and the nanohybrid is present at 0.5-1.5 wt.%. USE - The composite is useful in triboelectric energy harvester (claimed). ADVANTAGE - The composite is cost effective, eco-friendly and displays triboelectric properties and can harvest mechanical energy with high efficiency. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: (1) preparing the reduced graphene oxide-conducting polymer-polydimethylsiloxane composite, comprising (a) dispersing a graphene oxide in water at a temperature ranging from 0 to 10 degrees C, followed by autoclaving at a temperature of 30-180 degrees C and drying to obtain a reduced graphene oxide, (b) mixing the reduced graphene oxide with a dopant in water to obtain a solution of the reduced graphene oxide and the dopant, (c) adding and mixing a monomer to the solution to obtain a solution of the reduced graphene oxide, the dopant and the monomer, (d) adding and mixing an oxidant to the solution to obtain a nanohybrid of the reduced graphene oxide and a conducting polymer, where the nanohybrid of the reduced graphene oxide and the conducting polymer comprises of the dopant and the conducting polymer is obtained by polymerization of the monomer in presence of the oxidant, (e) purifying and drying the nanohybrid to obtain a powdered nanohybrid of the reduced graphene oxide and the conducting polymer including the dopant, (f) mixing the powdered nanohybrid with polydimethylsiloxane to obtain a dispersion and (h) adding and mixing a curing agent and an accelerator to the dispersion followed by drying to obtain the reduced graphene oxide conducting polymer-polydimethylsiloxane composite, the dopant is para-toluene sulfonic acid, and the polydimethylsiloxane, the curing agent and the accelerator are at a ratio of 100:10:1, the monomer to the para-toluene sulfonic acid volume ratio is 1:200 and the monomer to the oxidant ratio is 1:1; and (2) a triboelectric energy harvester comprising (a1) many triboelectric nanogenerator (TENG) modules, (b1) a rectifying unit connected to the many triboelectric nanogenerator modules, and (c1) a charging unit connected with the rectifying unit through a capacitor, where each TENG module comprises many nanohybrid-PDMS modules arranged in a stacked form separated by insulators and spring members, each of the nanohybrid-PDMS module comprises a pair of electrodes and a reduced graphene oxide-conducting polymer-polydimethylsiloxane composite located between the pair of electrodes, the reduced graphene oxide-conducting polymer-polydimethylsiloxane composite comprises a nanohybrid of a reduced graphene oxide and a conducting polymer, the nanohybrid is dispersed in a polydimethylsiloxane matrix, the rectifying unit comprises many diode circuits, one diode circuit from many diode circuits is connected to one triboelectric nanogenerator module from many triboelectric nanogenerator modules, the application of a force on the TENG modules generates a current and on removal of the force the current flows to the charging unit through the rectifying unit and the capacitor.