Here we report a fully flexible, foldable nanopatterned wearable triboelectric nanogenerator (WTNG) with high power-generating performance and mechanical robustness. Both silver (Ag)-coated textile polydimethylsiloxane (PDMS) nanopatterns based on ZnO nanorod arrays Ag-coated template were used as active materials. A output voltage current of about 120 V 65 μA, respectively, observed from PDMS-based WTNG, while an 30 20 μA obtained by the non-nanopatterned flat WTNG under same compressive...

A highly stretchable hybrid nanogenerator has been developed using a micro-patterned piezoelectric polymer P(VDF-TrFE), PDMS-CNT composite, and graphene nanosheets. Mechanical thermal energies are simultaneously harvested from single cell of the device. The exhibits high robustness behavior even after 30% stretching generates very stable pyroelectric power outputs due to micro-pattern designing.

Hydrophobic sponge structure-based triboelectric nanogenerators using an inverse opal structured film for sustainable energy harvesting over a wide range of humid atmosphere have been successfully demonstrated. The output voltage and current density reach record value 130 V 0.10 mA cm−2, respectively, giving 10-fold power enhancement, compared with the flat film-based nanogenerator.

Transparent flexible graphene triboelectric nanogenerators as new promising applications of chemical vapor deposition-grown are successfully demonstrated. The work function and friction decisive factors to understand the difference in output performance depending on number layers graphene. In this work, we were able power an LCD, LEDs, EL display using electrical nanogenerator without any external energy source. As a service our authors readers, journal provides supporting information...

Highly stretchable 2D fabrics are prepared by weaving fibers for a fabric-structured triboelectric nanogenerator (FTENG). The mainly consist of Al wires and polydimethylsiloxane (PDMS) tubes with high-aspect-ratio nanotextured surface vertically aligned nanowires. were produced interlacing the fibers, which was bonded to waterproof fabric all-weather use It showed stable high-output voltage current 40 V 210 μA, corresponding an instantaneous power output 4 mW. FTENG also exhibits high...

The extremely stable high‐power generation from hybrid piezoelectric nanogenerator (HP‐NG) based on a composite of single‐crystalline perovskite zinc stannate (ZnSnO 3 ) nanocubes and polydimethylsiloxane without any electrical poling treatment is reported. HP‐NG generates large power output under only vertical compression, while there negligible with other configurations applied strain, such as bending folding. This unique high unidirectionality behavior the provides desirable features for...

A fully packaged hemispheres-array-structured triboelectric nanogenerator (H-TENG) that can endure severe environments is reported. The hemispheres-array-structure plays a dual role as the material and an elastic "spring" to keep two opposite materials separated for inducing electrostatic effect during contact-separation cycle. H-TENGs be applicable active self-powered sensor array detect distribution of external pressure.

Enhancing the output power of a nanogenerator is essential in applications as sustainable source for wireless sensors and microelectronics. We report here novel approach that greatly enhances piezoelectric generation by introducing p-type polymer layer on semiconducting thin film. Holes at film surface reduce potential screening effect caused free electrons material. Furthermore, additional carriers from conducting shift Fermi level help increasing output. Poly(3-hexylthiophene) (P3HT) was...

Here we report a new type of stretchable transparent piezoelectric nanogenerator (NG) using an organic material consisting poly(vinylidene fluoride trifluoroethylene) [P(VDF-TrFE)] sandwiched with mobility-modified chemical vapor deposition-grown graphene electrodes by ferroelectric polarization into P(VDF-TrFE). This NG has very high sensitivity and mechanical durability fully flexible, rollable, stretchable, foldable, twistable properties. We also investigated the P(VDF-TrFE) remnant...

Precise control of morphologies one- or two-dimensional nanostructures during growth has not been easy, usually degrading device performance and therefore limiting applications to various advanced nanoscale electronics optoelectronics. Graphene could be a platform serve as substrate for both morphology direct use electrodes due its ideal monolayer flatness with π electrons. Here, we report that, by using graphene directly substrate, vertically well-aligned zinc oxide (ZnO) nanowires...

Here, we report the synthesis of lead-free single-crystalline two-dimensional (2D) vanadium(V)-doped ZnO nanosheets (NSs) and their application for high-performance flexible direct current (DC) power piezoelectric nanogenerators (NGs). The vertically aligned nanorods (NRs) converted to NS networks by V doping. Piezoresponse force microscopy studies reveal that vertical V-doped exhibit typical ferroelectricity with clear phase loops, butterfly, well-defined hysteresis loops a charge...

Direct current (DC) piezoelectric power generator is promising for the miniaturization of a package and self-powering nanorobots body-implanted devices. Hence, we report first use two-dimensional (2D) zinc oxide (ZnO) nanostructure an anionic nanoclay layer to generate DC output power. The device, made from 2D nanosheets heterojunction, has potential be smallest size package, could used charge wireless nano/micro scale systems without rectifier circuits convert alternating into store...

Harvesting energy using piezoelectric materials such as ZnO, at nanoscale due to geometrical effects, are highly desirable for powering portable electronics, biomedical, and healthcare applications. Although one‐dimensional nanostructures nanowires have been the most widely studied these applications, there exist a limited number of piezomaterials that can be easily manufactured into nanowires, thus, developing effective reliable means preparing from wide variety is essential advancement...

The mosquito species is one of most important insect vectors several diseases, namely, malaria, filariasis, Japanese encephalitis, dengue, and so on. In particular, in recent years, as the number people who enjoy outdoor activities urban areas continues to increase, information about activity demand. Furthermore, prediction crucial for managing safety health humans. However, estimation abundances frequently involves uncertainty because high spatial temporal variations, which hinders accuracy...

Remarkable enhancement of piezoelectric power output from a nanogenerator (NG) based on zinc oxide (ZnO) thin film is achieved via native defect control. A large number unintentionally induced point defects that act as n‐type carriers in ZnO have strong influence screening the potential into NG. Here, additional oxygen molecules bombarded lead to oxygen‐rich conditions, and conductivity decreased dramatically. The acceptor‐type such vacancies created during deposition process trap occurring...

Next‐generation memory and energy harvesting devices require a higher output performance for charging lectric devices. Generally, it is very limited to control charge transfer through triboelectricity in triboelectric materials. Here, using ferroelectric polarization, found that both the amount direction of materials can be controlled. The ferroelectric‐dependent co‐polymer film explored atomic force microscopy (AFM). Ferroelectric surfaces are rubbed with AFM tip after poling positive...

Foldable and thermally stable piezoelectric nanogenerators based on cellulose paper are demonstrated. Piezoelectric ZnO nanorods were produced substrates. The shown to be electrically under external mechanical loads. Furthermore, they have superior charge scavenging performance even harsh conditions. Detailed facts of importance specialist readers published as "Supporting Information". Such documents peer-reviewed, but not copy-edited or typeset. They made available submitted by the authors....

Abstract In this work, we demonstrate the mode transition of charge generation between direct‐current (DC) and alternating‐current (AC) from transparent flexible (TF) piezoelectric nanogenerators (NGs), which is dependent solely on morphology zinc oxide (ZnO) nanorods without any use an AC/DC converter. Tilted ZnO grown a relatively low‐density seed layer generate DC‐type charges under pushing load, whereas vertically aligned high‐density create AC‐type generation. The mechanism for...

It is essential to stabilize and enhance the power output performance of piezoelectric nanogenerators (NGs) in order use them as a sustainable source for wireless sensors, microelectronics, optoelectronic devices. Here, we report facile route maximize zinc oxide (ZnO) nanorod (NR)-based NG presence ultraviolet (UV) light by reducing potential screening effect caused free electrons ZnO NRs via surface passivation. We experimentally theoretically investigated drop NR-based due effect. A simple...

With the growing concern about safety of spaces where people work and live, development fast accurate real‐time monitoring systems such as gas sensors to detect harmful H 2 S, NH 3, NO x is essential. For effective monitoring, a wireless sensor system that can be used anytime, anywhere required, but there still limit power supply operate it. Self‐powered with piezoelectric/triboelectric nanogenerators (PENGs/TENGs) are receiving considerable attention because they implement portable do not...