This article describes a simple, cost-effective, and scalable approach to fabricate triboelectric nanogenerator (NG) with ultrahigh electric output. Triggered by commonly available ambient mechanical energy such as human footfalls, NG size smaller than palm can generate maximum short-circuit current of 2 mA, delivering instantaneous power output 1.2 W external load. The corresponds an area density 313 W/m(2) volume 54,268 W/m(3) at open-circuit voltage ~1200 V. An conversion efficiency 14.9%...

We report human skin based triboelectric nanogenerators (TENG) that can either harvest biomechanical energy or be utilized as a self-powered tactile sensor system for touch pad technology. constructed TENG utilizing the contact/separation between an area of and polydimethylsiloxane (PDMS) film with surface micropyramid structures, which was attached to ITO electrode grounded across loading resistor. The fabricated delivers open-circuit voltage up -1000 V, short-circuit current density 8...

A new prototype triboelectric nanogenerator with superhydrophobic and self-cleaning features is invented to harvest water drop energy based on a sequential contact electrification electrostatic induction process. Because of the easy-fabrication, cost-effectiveness, robust properties, developed expands potential applications harvesting from household wastewater raindrops.

We report a triboelectric nanogenerator (TENG) that plays dual roles as sustainable power source by harvesting wind energy and self-powered vector sensor system for speed direction detection. By utilizing the wind-induced resonance vibration of fluorinated ethylene-propylene film between two aluminum foils, integrated TENGs with dimensions 2.5 cm × 22 deliver an output voltage up to 100 V, current 1.6 μA, corresponding 0.16 mW under external load MΩ, which can be used directly light tens...

We demonstrate a new flexible multilayered triboelectric nanogenerator (TENG) with extremely low cost, simple structure, small size (3.8 cm×3.8 cm×0.95 cm) and lightweight (7 g) by innovatively integrating five layers of units on single substrate. Owing to the unique structure nanopore-based surface modification metal surface, instantaneous short-circuit current (Isc) open-circuit voltage (Voc) could reach 0.66 mA 215 V an maximum power density 9.8 mW/cm2 10.24 mW/cm3. This is first 3D...

Electrical wave mechanics: A newly designed triboelectric nanogenerator is based on the contact electrification between a patterned polydimethylsiloxane pyramid array and water. Cost-effective simple, prototype shows potential to harvest energy from liquid waves serve as chemical temperature sensors. Contact electrification, also called triboelectrification, an old but well-known phenomenon in which surface charge transfer occurs when two materials are brought into contact. Although some of...

A DNA–Au NP probe for sensing Hg2+ using the formation of DNA–Hg2+ complexes through thymidine (T)–Hg2+–T coordination to control negative charge density DNA strands—thereby varying their structures—adsorbed onto Au NPs.

Harvesting mechanical energy is becoming increasingly important for its availability and abundance in our living environment. Triboelectric nanogenerator (TENG) a simple, cost-effective, highly efficient approach generating electricity from energies wide range of forms. Here, we developed TENG designed harvesting tiny-scale wind available normal environment using conventional materials. The harvester based on rotary driven deformation multiple plate-based TENGs. operation mechanism...

Moving to mercury: The first triboelectric effect-based sensor for the detection of Hg2+ ions by using Au nanoparticles (see picture; red) as electrical performance enhancer and recognition element has been successfully demonstrated. This self-powered stand-alone nanosensor advantages simplicity, low cost, high selectivity, sensitivity. As a service our authors readers, this journal provides supporting information supplied authors. Such materials are peer reviewed may be re-organized online...

We have developed a simple, cost-effective, and scalable approach to fabricate piezoelectric nanogenerator (NG) with stretchable flexible characteristics using BaTiO3 nanotubes, which were synthesized by the hydrothermal method. The NG was fabricated making composite of nanotubes polymer poly(dimethylsiloxane) (PDMS). peak open-circuit voltage short-circuit current reached high level 5.5 V 350 nA (current density nA/cm(2)), respectively. It used directly drive commercial liquid crystal...

Mechanical energy harvesting based on triboelectric effect has been proven to be a simple, cost-effective, and robust method for electricity generation. In this study, we developed rationally designed nanogenerator (TENG) by utilizing the contact electrification between polytetrafluoroethylene (PTFE) thin film layer of TiO2 nanomaterial (nanowire nanosheet) array. The as-developed TENG was systematically studied demonstrated as self-powered nanosensor toward catechin detection. high...

In the past years, scientists have shown that development of a power suit is no longer dream by integrating piezoelectric nanogenerator (PENG) or triboelectric (TENG) with commercial carbon fiber cloth. However, there still design applying those two kinds NG together to collect mechanical energy more efficiently. this paper, we demonstrate fiber-based hybrid (FBHNG) composed TENG and PENG in environment. The FBHNG three-dimensional can harvest from all directions. positioned core covered as...

Discovering renewable and sustainable power sources is indispensable for the development of green electronics sensor networks. In this paper, we present origami triboelectric nanogenerators (TENGs) using paper as starting material, with a high degree flexibility, light weight, low cost, recyclability. Slinky- doodlebug-shaped TENGs can be easily fabricated by properly folding printer papers. The as-fabricated are capable harvesting ambient mechanical energy from various kinds human motions,...

We report the first flexible hybrid energy cell that is capable of simultaneously or individually harvesting thermal, mechanical, and solar energies to power some electronic devices. For having both pyroelectric piezoelectric properties, a polarized poly(vinylidene fluoride) (PVDF) film-based nanogenerator (NG) was used harvest thermal mechanical energies. Using aligned ZnO nanowire arrays grown on polyester (PET) substrate, ZnO-poly(3-hexylthiophene) (P3HT) heterojunction designed for...

By combining contact-mode atomic force microscopy (AFM) and scanning Kevin probe (SKPM), we demonstrated an in situ method for quantitative characterization of the triboelectrification process at nanoscale. We systematically characterized triboelectric charge distribution, multifriction effect on transfer, as well subsequent diffusion dielectric surface: (i) SiO2 surface can be either positively or negatively charged through using Si-based AFM probes with without Pt coating, respectively;...

When water is passing through the air or an insulating tube, it will contain not only mechanical energy but also electrostatic due to existence of triboelectric charges on its surface as a result contact with air/solid surface. In this paper, hybrid nanogenerator (TENG) designed simultaneously harvest and energies flowing water. Water-TENG, mainly constructed by superhydrophobic TiO2 layer hierarchical micro/nanostructures, used collect (Output 1). Contact-TENG, composed...

A nanogenerator (NG) usually gives a high output voltage but low current, so that the power is low. In this paper, we developed general approach hugely improved instantaneous of NG, while entire energy stays same. Our design based on an off–on–off contact switching during mechanical triggering largely reduces duration charging/discharge process, current pulse without sacrificing voltage. For vertical contact-separation mode triboelectric NG (TENG), and peak can reach as 0.53 142 W at load...

Self‐powered nanosensors and nanosystems have attracted significant attention in the past decades gradually become most desirable promising prototype for environmental protection/detection because no battery is needed to power device. Therefore, this paper a design proposed self‐powered photodetector based on triboelectric nanogenerator (TENG) configuration. 3D dendritic TiO 2 nanostructures are synthesized as built‐in UV well contact material of TENG. The cost‐effective, robust, easily...

Contact electrification is about the charge transfer between surfaces of two materials in a contact-separation process. This effect has been widely utilized particle separation and energy harvesting, where preferred to be maximized. However, this always undesirable some areas such as electronic circuit systems due damage from accumulated electrostatic charges. Herein, we introduced an approach purposely manipulate contact process both polarity magnitude through applied electric field...

Flowing water contains not only mechanical kinetic energy, but also the electrostatic energy owing to triboelectric charges caused by its contact with surrounding media such as air. In this paper, a wheel hybridized nanogenerator (TENG), composed of water-TENG part and disk-TENG part, has been developed for simultaneously harvesting two types energies from tap flowing household faucet. The blades TENG are superhydrophobic polytetrafluoroethylene (PTFE) thin films nanostructures, which used...