Quantifying the triboelectric series

Zou, Haiyang; Zhang, Ying; Guo, Litong; Wang, Peihong; He, Xu; Dai, Guozhang; Zheng, Haiwu; Chen, Chao‐Yu; Wang, Aurelia Chi; Xu, Cheng; Wang, Zhong Lin

doi:10.1038/s41467-019-09461-x

Cited by 1,216 publications

(752 citation statements)

References 34 publications

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“…[35] In Figure 5b is shown the proximity-sensing performance of the FET devices during the approach and withdrawal of various stimuli, including polydimethylsiloxane (PDMS), rubber, glass stick, ruler, and ball pen. Friction between two objects can further result in the charging of both objects with contrary charges (i.e., triboelectrification).…”

Section: Wwwadvelectronicmatdementioning

confidence: 99%

High‐Performance Proximity Sensors with Nanogroove‐Template‐Enhanced Extended‐Gate Field‐Effect Transistor Configuration

Niu

Chen

et al. 2019

Adv Elect Materials

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user and the environment in order to avoid any dangerous contact between the robot and the unwanted objects or obstacles. Currently several proximity sensors have been reported with sensing mechanisms relying on optical imaging, [2] ultrasound, [1b] triboelectric effect, [3] and change in capacitance. [4] The maximum sensing distance is a basic consideration for design of these proximity sensors. A large sensing distance usually means long response time for a robot to avoid unexpected collisions and consequent damage. The maximum sensing distance for capacitance-, triboelectric-, and ultrasound-type sensors can reach up to several tens of centimeters, [1b,3,4c,e] while it is only about 3 cm for electret-type sensors. [5] It is also noted that, when triboelectric effect was integrated with a p-type silicon-based field effect transistor (FET), the effective sensing distance was only about 80 µm. [6] Recently Wang et al. developed flexible proximity sensors based on organic crystal sheets. [7] Organic semiconductor rubrene nanobelts were synthesized by physical vapor transport method and then mechanically transferred to flexible poly(ethylene terephthalate) substrates to construct two-terminal devices. Such devices could perceive the approach of human finger, fiber, and even atomic force microscopy tip. However, their reported sensing distance is limited only to several millimeters, and the fabrication process of such devices is also expected to be further simplified. Since the appealing route for the fabrication of organic semiconducting films and related devices is usually solution based, including spin coating, [8] dip coating, [9] push coating, [10] solution shearing, [11] printing, [12] and so on, solution fabrication of organic semiconductor-based proximity sensors is highly expected.Here we reported the solution-based fabrication of organic semiconductor-based proximity sensors designed with FET configuration. Organic semiconducting poly[2,5-(2-octyldodecyl)-3,6-diketopyrrolopyrrole-alt-5,5-(2,5-di(thien-2-yl)thieno [3,2-b] thiophene)] (DPP-DTT) was used as the active layer which was deposited by the conventional spin-coating technique. Extended gate electrode was used as the sensing element. DPP-DTT has been widely studied in organic FET devices with high carrier mobility and good air stability. [13] Several reports have shown that mobility of DPP-DTT based FET devices was significantly In recent years human-machine interaction has become increasingly important in industrial applications and daily life. Proximity sensors are expected to become an important part of such systems. The mechanisms of these sensors are usually based on ultrasound, capacitance, triboelectric effect, optical imaging or semiconducting devices. The fabrication and sensing performance of solution-based organic transistor proximity sensors is reported. To enhance electrical performance, nanogroove templates are introduced to guide the oriented growth of organic semiconducting layer. The templates are realized by friction-transferri...

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Section: Wwwadvelectronicmatdementioning

confidence: 99%

High‐Performance Proximity Sensors with Nanogroove‐Template‐Enhanced Extended‐Gate Field‐Effect Transistor Configuration

Niu

Chen

et al. 2019

Adv Elect Materials

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“…They have demonstrated to be an applicable solution for both self-powered sensing and energy harvesting. [34][35][36] However, about the electrostatic induction, there also need some theoretical guidances of the electrode materials selection.In this paper, inspired by the movement statement of a magnetic cylinder placed beside a fixed magnetic cylinder, a cylindrical self-powered multifunctional sensor (MS) with a translational-rotary magnetic mechanism is presented, which is capable of detecting acceleration, force, and rotational parameters. And the TENG also has been successfully used to build multifunctional sensors.…”

mentioning

confidence: 99%

“…And the TENG also has been successfully used to build multifunctional sensors. [34][35][36] However, about the electrostatic induction, there also need some theoretical guidances of the electrode materials selection. [33] Unfortuately, six output channels increace the complexity of the sensor and the surface contact friction limits its sensitivity.…”

mentioning

confidence: 99%

Multifunctional Sensor Based on Translational‐Rotary Triboelectric Nanogenerator

Zhang

Zou

et al. 2019

Advanced Energy Materials

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106

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to the current multifunctional sensors. On the other hand, IoTs also expects the sensors can continuously work for long hours without maintenance. [10] The energy harvesting technologies that can provide continuous power supply [11][12][13][14][15][16] and selfpowered sensors that can directly transfer the detect information into electrical signals even without power [7,17,18] are the idea approaches to meet the requirements.Based on the triboelectric effect and the electrostatic induction, triboelectric nanogenerators (TENGs) invented by Wang and co-workers [19] have a few remarkable advantages, such as flexibility, light weight, easy integration. They have demonstrated to be an applicable solution for both self-powered sensing and energy harvesting. [20][21][22][23] Specifically, the force, [24] speed, [25,26] acceleration, [27,28] direction, [29] and angle [30] all can be measured by the TENG. And the TENG also has been successfully used to build multifunctional sensors. [31][32][33] Based on the TENG, a real multifunctional sensor enabled by magnetically regulated TENG has the capacity to measure motion parameters, including acceleration, speed, and direction of rotary and linear motions. [33] Unfortuately, six output channels increace the complexity of the sensor and the surface contact friction limits its sensitivity. Moreover, for enhancing the output performance of the TENG, many works are focused on the selection and the surface nanocrystallization of friction materials, which both are relatead to the triboelectric effect. [34][35][36] However, about the electrostatic induction, there also need some theoretical guidances of the electrode materials selection.In this paper, inspired by the movement statement of a magnetic cylinder placed beside a fixed magnetic cylinder, a cylindrical self-powered multifunctional sensor (MS) with a translational-rotary magnetic mechanism is presented, which is capable of detecting acceleration, force, and rotational parameters. The MS is composed of a translational-rotary magnetic mechanism, a TENG module, and an acrylic shell. The translational-rotary magnetic mechanism is a low damping magnetic cylinder (MC) rotating around a fixed circular tube, which is embedded by a magnetic disk (MD). The sensitivity of the MS can be adjusted by changing the distance between two magnets. The TENG module consists of the MC and a friction layer that is a polytetrafluorethylene (PTFE) film with two interdigitated electrodes (IEs) bonded on the surface of the tube. The MS can transform a translational motion into a swing motion or a Triboelectric nanogenerators with a large number of desirable advantages, such as flexibility, light weight, and easy integration, are unique for sensor design. In this paper, based on the triboelectric nanogenerator (TENG), a cylindrical self-powered multifunctional sensor (MS) with a translationalrotary magnetic mechanism is proposed, which has the capacity to detect acceleration, force, and rotational parameters. The MS can transform a translational motion...

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“…The Marine Renewable Energy Laboratory (MRELab) further developed the VIVACE to harvest the hydrokinetic power using the electromagnetic transduction. In recent years, energy harvesting technologies such as electromagnetic, 16 dielectric, 17,18 and triboelectric [19][20][21] have been reported by researchers, besides which piezoelectric energy harvesting has been studied widely because of its high voltage output, high power density, and ease of miniaturization. [22][23][24][25][26][27][28][29][30] Dai et al 31 presented a theoretical model for a linear VIV-based piezoelectric energy harvester (VIVPEH), where the wake oscillator model was employed to formulate the vortexinduced aerodynamic force acting on the cylinder.…”

Section: Resultsmentioning

confidence: 99%

Equivalent circuit representation of a vortex‐induced vibration‐based energy harvester using a semi‐empirical lumped parameter approach

et al. 2020

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Summary Small‐scale wind energy harvesting from vortex‐induced vibrations (VIV) has been introduced in recent years as a renewable power source for microelectronics and wireless sensors. Previous studies have focused on modeling and optimizing the VIV‐based piezoelectric energy harvester (VIVPEH) structures and simplified the complicated interface circuits as pure resistors with an alternating current (AC) output. In practice, an AC output is required to be transformed into a direct current (DC) followed by further regulations before being used for real applications. Incorporating the rectification and regulation, traditional theoretical and numerical models will become extremely cumbersome and even impossible. To address this issue, this work proposes an equivalent circuit model (ECM) for a typical VIVPEH. The Scanlan‐Ehsan aerodynamic force model is employed to describe the fluid‐structure interaction. Wind tunnel experiments are carried out to validate the derived model. The performances of the VIVPEH with AC and DC interface circuits are subsequently analyzed and compared to understand the influences of these circuits on the operational wind speed bandwidth, power output, vibration amplitude, and electrical damping.

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Quantifying the triboelectric series

Cited by 1,216 publications

References 34 publications

High‐Performance Proximity Sensors with Nanogroove‐Template‐Enhanced Extended‐Gate Field‐Effect Transistor Configuration

High‐Performance Proximity Sensors with Nanogroove‐Template‐Enhanced Extended‐Gate Field‐Effect Transistor Configuration

Multifunctional Sensor Based on Translational‐Rotary Triboelectric Nanogenerator

Equivalent circuit representation of a vortex‐induced vibration‐based energy harvester using a semi‐empirical lumped parameter approach

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