Narrow bandgap oxide nanoparticles coupled with graphene for high performance mid-infrared photodetection

Xuechao Yu; Yangyang Li; Xiaonan Hu; Daliang Zhang; Ye Tao; Zhixiong Liu; Yongmin He; Md. Azimul Haque; Zheng Liu; Tom Wu; Qi Jie Wang

doi:10.1038/s41467-018-06776-z

Nature Communications (Oct 2018)

Narrow bandgap oxide nanoparticles coupled with graphene for high performance mid-infrared photodetection

Xuechao Yu,
Yangyang Li,
Xiaonan Hu,
Daliang Zhang,
Ye Tao,
Zhixiong Liu,
Yongmin He,
Md. Azimul Haque,
Zheng Liu,
Tom Wu,
Qi Jie Wang

Affiliations

Xuechao Yu: Centre for OptoElectronics and Biophotonics, School of Electrical and Electronic Engineering & The Photonics Institute, Nanyang Technological University
Yangyang Li: Materials Science and Engineering, King Abdullah University of Science and Technology
Xiaonan Hu: Centre for OptoElectronics and Biophotonics, School of Electrical and Electronic Engineering & The Photonics Institute, Nanyang Technological University
Daliang Zhang: Imaging and Characterization Core Lab, King Abdullah University of Science and Technology
Ye Tao: Centre for OptoElectronics and Biophotonics, School of Electrical and Electronic Engineering & The Photonics Institute, Nanyang Technological University
Zhixiong Liu: Materials Science and Engineering, King Abdullah University of Science and Technology
Yongmin He: Centre for OptoElectronics and Biophotonics, School of Electrical and Electronic Engineering & The Photonics Institute, Nanyang Technological University
Md. Azimul Haque: Materials Science and Engineering, King Abdullah University of Science and Technology
Zheng Liu: Centre of Programmable Materials, School of Materials Science and Engineering, Nanyang Technological University
Tom Wu: Materials Science and Engineering, King Abdullah University of Science and Technology
Qi Jie Wang: Centre for OptoElectronics and Biophotonics, School of Electrical and Electronic Engineering & The Photonics Institute, Nanyang Technological University

DOI: https://doi.org/10.1038/s41467-018-06776-z
Journal volume & issue: Vol. 9, no. 1
pp. 1 – 8

Abstract

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Coupling graphene with narrow band-gap Ti2O3 nanoparticles can enable efficient mid-infrared photodetection. Here, the authors report a graphene-Ti2O3 based hybrid photodetector with high responsivity of ~300 A W-1 up to 10 μm by varying the number of graphene layers and size of Ti2O3 nanoparticles.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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