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Scientific Reports, volume 10, issue 1, publication number 5793

Highly Stable and Flexible Memristive Devices Based on Polyvinylpyrrolidone: WS2 Quantum Dots

Haoqun An ¹

Yong-Hun Lee ¹

Jeong-Heon Lee ¹

Chaoxing Wu ²

Bon-Min Koo ¹

TAE WHAN KIM ¹

Hide authors affiliations Show authors affiliations: 2 affiliations

Department of Electronic and Computer Engineering, Hanyang University, Seoul, South Korea |

College of Physics and Information Engineering, Fuzhou University, Fuzhou, China |

Publication type: Journal Article

Publication date: 2020-04-01

Springer Nature

Journal: Scientific Reports

Quartile SCImago

Quartile WOS

Impact factor: 4.6

ISSN: 20452322, 20452322

DOI: 10.1038/s41598-020-62721-5

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Multidisciplinary

Abstract

Tungsten disulfide (WS2) quantum dots (QDs) embedded in polyvinylpyrrolidone (PVP) based flexible memristive devices were prepared, and those devices exhibited typical bistable electrical switching and remarkable nonvolatile memristive behaviors. Maximum electricity ON/OFF ratio obtained from the current–voltage (I-V) curves of the device is close to 104. The set voltage of the device is +0.7 V, which effectively reduced the energy consumption. The retention times extracted from data for the devices were as large as 1 × 104 s, which points to these devices having nonvolatile characteristics. Moreover, the highly flexible characteristics of the devices were demonstrated by bending the devices. The carrier transport mechanisms were explained by fitting the I-V curves, and possible operating mechanisms of the devices can be described based on the electron trapping and detrapping processes. WS2 QDs uniformly dispersed in pure transparent N, N-Dimethylformamide (DMF) were obtained by using ultrasonication and a hydrothermal process in this work.

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GOST Copy

An H. et al. Highly Stable and Flexible Memristive Devices Based on Polyvinylpyrrolidone: WS2 Quantum Dots // Scientific Reports. 2020. Vol. 10. No. 1. 5793

GOST all authors (up to 50) Copy

An H., Lee Y., Lee J., Wu C., Koo B., KIM T. W. Highly Stable and Flexible Memristive Devices Based on Polyvinylpyrrolidone: WS2 Quantum Dots // Scientific Reports. 2020. Vol. 10. No. 1. 5793

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RIS Copy

TY - JOUR

DO - 10.1038/s41598-020-62721-5

UR - https://doi.org/10.1038/s41598-020-62721-5

TI - Highly Stable and Flexible Memristive Devices Based on Polyvinylpyrrolidone: WS2 Quantum Dots

T2 - Scientific Reports

AU - An, Haoqun

AU - Lee, Yong-Hun

AU - Lee, Jeong-Heon

AU - Wu, Chaoxing

AU - Koo, Bon-Min

AU - KIM, TAE WHAN

PY - 2020

DA - 2020/04/01

PB - Springer Nature

IS - 1

VL - 10

SN - 2045-2322

ER -

BibTex

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BibTex Copy

@article{2020_An,

author = {Haoqun An and Yong-Hun Lee and Jeong-Heon Lee and Chaoxing Wu and Bon-Min Koo and TAE WHAN KIM},

title = {Highly Stable and Flexible Memristive Devices Based on Polyvinylpyrrolidone: WS2 Quantum Dots},

journal = {Scientific Reports},

year = {2020},

volume = {10},

publisher = {Springer Nature},

month = {apr},

url = {https://doi.org/10.1038/s41598-020-62721-5},

number = {1},

doi = {10.1038/s41598-020-62721-5}

}

Found error?

Publisher

Springer Nature

Journal

Scientific Reports

Quartile SCImago

Quartile WOS

Impact factor

4.6

ISSN

20452322 (Print)
20452322 (Electronic)