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High Performance Two Dimensional Few Layered Copper Doped MoS2 Nanosheets Based Flexible Piezoelectric Nanogenerator

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Title High Performance Two Dimensional Few Layered Copper Doped MoS2 Nanosheets Based Flexible Piezoelectric Nanogenerator
 
Creator Sharma, Charu
Srivastava, Avanish Kumar
Gupta, Manoj Kumar
 
Subject MoS2
2D Materials
Piezoelectric nanogenerator
Nanosheets
 
Description 102-108
Flexible piezoelectric nanogenerators based on two dimensional (2D) nanosheets are pivotal due to their ultrathin
thickness, good mechanical strength and super flexibility with high efficiency. In present work, single crystalline copper
(Cu) doped 2D MoS2 nanosheets was grown via low temperature hydrothermal technique. X-ray diffraction (XRD), High
resolution- transmission electron microscope (HRTEM) confirmed the formation of the 2H phase of the Cu-doped MoS2
nanosheets with thickness and length in range of the 5-7 nm and 300-500 nm, respectively. Pristine and Cu-doped 2D MoS2
nanosheets based flexible nanogenerator were fabricated and piezoelectric output voltage was measured. Flexible Cu-doped
MoS2 nanosheet: PDMS based flexible nanogenerator exhibited output voltage of 15 V even under low pressure, where as
pristine MoS2 nanosheet based nanogenerator exbited low output voltage of 9 V under same force. Dielectric properties of
pristine and Cu- doped MoS2 nanosheets were also investigated and high dielectric constant of about 6750 was obtained.
The mechanism of enhanced output voltage was discussed in terms of the large polarisation and high dielectric constant
from Cu-doped MoS2 nanosheets.
 
Date 2024-02-26T09:23:59Z
2024-02-26T09:23:59Z
2024-02
 
Type Article
 
Identifier 0975-0959 (Online); 0301-1208 (Print)
http://nopr.niscpr.res.in/handle/123456789/63414
https://doi.org/10.56042/ijpap.v62i2.7678
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source IJPAP Vol.62(02) [February 2024]