Electrochemical Detection of Piezoelectric Effect from Misaligned Zinc Oxide Nanowires Grown on a Flexible Electrode

Ebrahimi, Hadi; Yaghoubi, Houman; Giammattei, Francisco; Takshi, Arash

doi:10.1016/j.electacta.2014.04.119

Cited by 22 publications

(14 citation statements)

References 33 publications

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“…Meanwhile, the more depleted ZnO reduces the concentration of free electrons, thus resulting in the increased R ZnO . 26 Therefore, when applying compressive strain, this increased barrier height could lead to increased photocurrent, which is consistent with the results in Fig. 2(a).…”

Section: (F)supporting

confidence: 90%

A tunable ZnO/electrolyte heterojunction for a self-powered photodetector

Lin

Yan

Liu

et al. 2014

Phys. Chem. Chem. Phys.

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Section: (F)supporting

confidence: 90%

A tunable ZnO/electrolyte heterojunction for a self-powered photodetector

Lin

Yan

Liu

et al. 2014

Phys. Chem. Chem. Phys.

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“…8a. The voltage dependency on the magnitude of the piezo-electrochemically generated current can be related to the influence "state of charge (SOC)" of the siloxene SCSPC 46,47 . The increase in the magnitude of the current spikes from the PZC region to high voltage is due to the differential electrolyte ion concentration at various applied voltages [48][49][50][51] .…”

Section: Resultsmentioning

confidence: 99%

Probing the energy conversion process in piezoelectric-driven electrochemical self-charging supercapacitor power cell using piezoelectrochemical spectroscopy

et al. 2020

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The design and development of self-charging supercapacitor power cells are rapidly gaining interest due to their ability to convert and store energy in an integrated device. Here, we have demonstrated the fabrication of a self-charging supercapacitor using siloxene sheets as electrodes and siloxene-based polymeric piezofiber separator immobilized with an ionogel electrolyte. The self-charging properties of the fabricated device subjected to various levels of compressive forces showed their ability to self-charge up to a maximum of 207 mV. The mechanism of self-charging process in the fabricated device is discussed via "piezoelectrochemical effect" with the aid of piezoelectrochemical spectroscopy measurements. These studies revealed the direct evidence of the piezoelectrochemical phenomenon involved in the energy conversion and storage process in the fabricated device. This study can provide insight towards understanding the energy conversion process in self-charging supercapacitors, which is of significance considering the state of the art of piezoelectric driven self-charging supercapacitors.

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“…It is important to notice that Equation (9) suggests that the discharge profile in an EDLC (with or without the blocking layer) is not a function of the capacitance or the electrode surface area. This can be simply explained as both the capacitance and leakage current are proportional to the surface area.…”

Section: Modelingmentioning

confidence: 99%

“…Additionally, supercapacitors have high life cycles (typical~1 million cycles) [4]. The combination of these features make supercapacitors potentially suitable for various applications such as power tools, elevator, energy management systems, electric vehicles [5,6], wearable and flexible electronics [7], stand-alone severe weather condition systems [8], piezo-electric [9], and renewable energy generation [10,11].…”

Section: Introductionmentioning

confidence: 99%