Liquid metal-based synthesis of high performance monolayer SnS piezoelectric nanogenerators.

Khan, H, Mahmood, N, Zavabeti, A, Elbourne, A, Rahman, MA, Zhang, BY, Krishnamurthi, V, Atkin, P, Ghasemian, MB, Yang, J, Zheng, G, Ravindran, Anil, Walia, S, Wang, L, Russo, SP, Daeneke, T, Li, Y and Kalantar-Zadeh, K 2020, Liquid metal-based synthesis of high performance monolayer SnS piezoelectric nanogenerators., Nat Commun, vol. 11, no. 1, pp. 3449, doi: 10.1038/s41467-020-17296-0.

Title Liquid metal-based synthesis of high performance monolayer SnS piezoelectric nanogenerators.
Author(s) Khan, H
Mahmood, N
Zavabeti, A
Elbourne, A
Rahman, MA
Zhang, BY
Krishnamurthi, V
Atkin, P
Ghasemian, MB
Yang, J
Zheng, G
Ravindran, AnilORCID iD for Ravindran, Anil
Walia, S
Wang, L
Russo, SP
Daeneke, T
Li, Y
Kalantar-Zadeh, K
Journal name Nat Commun
Volume number 11
Issue number 1
Start page 3449
Place of publication England
Publication date 2020-07-10
ISSN 2041-1723
Summary The predicted strong piezoelectricity for monolayers of group IV monochalcogenides, together with their inherent flexibility, makes them likely candidates for developing flexible nanogenerators. Within this group, SnS is a potential choice for such nanogenerators due to its favourable semiconducting properties. To date, access to large-area and highly crystalline monolayer SnS has been challenging due to the presence of strong inter-layer interactions by the lone-pair electrons of S. Here we report single crystal across-the-plane and large-area monolayer SnS synthesis using a liquid metal-based technique. The characterisations confirm the formation of atomically thin SnS with a remarkable carrier mobility of ~35 cm2 V-1 s-1 and piezoelectric coefficient of ~26 pm V-1. Piezoelectric nanogenerators fabricated using the SnS monolayers demonstrate a peak output voltage of ~150 mV at 0.7% strain. The stable and flexible monolayer SnS can be implemented into a variety of systems for efficient energy harvesting.
Language eng
DOI 10.1038/s41467-020-17296-0
Field of Research MD Multidisciplinary

Document type: Journal Article
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