2D Sno/In2O3 Van Der Waals Heterostructure Photodetector Based On Printed Oxide Skin Of Liquid Metals

Alsaif, M, Kuriakose, S, Walia, S, Syed, N, Jannat, A, Zhang, B, Haque, F, Mohiuddin, M, Alkathiri, T, Pillai, N, Daeneke, T, Ou, J and Zavabeti, A 2019, '2D Sno/In2O3 Van Der Waals Heterostructure Photodetector Based On Printed Oxide Skin Of Liquid Metals', Advanced Materials Interfaces, vol. 6, no. 7, pp. 1-8.


Document type: Journal Article
Collection: Journal Articles

Title 2D Sno/In2O3 Van Der Waals Heterostructure Photodetector Based On Printed Oxide Skin Of Liquid Metals
Author(s) Alsaif, M
Kuriakose, S
Walia, S
Syed, N
Jannat, A
Zhang, B
Haque, F
Mohiuddin, M
Alkathiri, T
Pillai, N
Daeneke, T
Ou, J
Zavabeti, A
Year 2019
Journal name Advanced Materials Interfaces
Volume number 6
Issue number 7
Start page 1
End page 8
Total pages 8
Publisher Wiley
Abstract Heterostructures assembled from atomically thin materials have led to a new paradigm in the development of the next-generation high-performing functional devices. However, the construction of the ultrathin van der Waals (vdW) heterostructures is challenging and/or limited to materials with layered crystal structures. Herein, liquid metal vdW transfer method is used to construct large area heterostructures of atomically thin metal oxides of p-SnO/n-In2O3 with ease. The heterostructure exhibits both outstanding photodetectivity of 5 x 10(9) Jones and photoresponsivity of 1047 A W-1 with fast response time of 1 ms under illumination of the 280 nm light. Such excellent performances are due to the formation of the narrow bandgap of the staggered gap at the p-n junction produced by the high-quality SnO/In2O3 heterostructure. The facile production of high-quality vdW heterostructures using the liquid metal-based method therefore provides a promising pathway for realizing future optoelectronic devices.
Subject Nanoelectronics
Keyword(s) 2D
liquid metals
photodetector
SnO
In2O3
van der Waals heterostructures
DOI - identifier 10.1002/admi.201900007
Copyright notice © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
ISSN 2196-7350
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