Temperature-dependent piezotronic effect of MoS 2 monolayer
- Authors
- Sohn, A.[Sohn, A.]; Choi, S.[Choi, S.]; Han, S.A.[Han, S.A.]; Kim, T.-H.[Kim, T.-H.]; Kim, J.H.[Kim, J.H.]; Kim, Y.[Kim, Y.]; Kim, S.-W.[Kim, S.-W.]
- Issue Date
- Apr-2019
- Publisher
- Elsevier Ltd
- Keywords
- Molybdenum disulfide; Piezoelectric; Piezotronic; Temperature dependence; Two-dimensional
- Citation
- Nano Energy, v.58, pp.811 - 816
- Indexed
- SCIE
SCOPUS
- Journal Title
- Nano Energy
- Volume
- 58
- Start Page
- 811
- End Page
- 816
- URI
- https://scholarworks.bwise.kr/skku/handle/2021.sw.skku/15837
- DOI
- 10.1016/j.nanoen.2019.02.017
- ISSN
- 2211-2855
- Abstract
- Molybdenum disulfide (MoS 2 ) monolayer is one of the most promising materials for next-generation electronic/optoelectronic devices because of its prominent piezoelectric property that can modulate Schottky barrier height and control transport behaviors without applying any external gate bias. In this work, we systematically investigated temperature dependence of piezotronic effect of chemical vapor deposition grown MoS 2 monolayer by measuring transport behaviors under strains from 0% to 0.3% with various sample temperatures ranging from 270 K to 320 K. It was found that piezoelectric effect in MoS 2 monolayer significantly depends on sample temperature. Due to less screening effect of piezoelectric potential generated in MoS 2 with a mechanical strain at low temperature, the piezotronic effect is significantly enhanced when the sample temperature is decreased from 320 K to 270 K, revealing that the piezoelectric effect becomes stronger at lower temperature. © 2019 Elsevier Ltd
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Collections - Engineering > School of Advanced Materials Science and Engineering > 1. Journal Articles
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