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Research Article

Fabrication of rigid and flexible SrGe4O9 nanotube-based sensors for room-temperature ammonia detection

Tingting Huang1,2, Zheng Lou2, Shuai Chen1,2, Rui Li1,2, Kai Jiang3, Di Chen1( ), Guozhen Shen2,4( )
College of Physics and Mathematics and Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface ScienceUniversity of Science and Technology BeijingBeijing100083China
State Key Laboratory for Superlattices and MicrostructuresInstitute of SemiconductorsChinese Academy of SciencesBeijing100083China
Institute & Hospital of Hepatobiliary SurgeryKey Laboratory of Digital Hepatobiliary Surgery of Chinese PLAChinese PLA Medical SchoolChinese PLA General HospitalBeijing100853China
College of Materials Science and Opto-Electronic TechnologyUniversity of Chinese Academy of SciencesBeijing100049China
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Abstract

Ammonia (NH3) detection at room temperature has attracted considerable attention because of the increasing demand for health monitoring, personal safety protection, and industrial manufacturing. Herein, we report the synthesis of polycrystalline SrGe4O9 nanotubes (NTs) via an electrospinning process. These NTs are a new sensing material for the detection of ammonia at room temperature. The SrGe4O9 NTs exhibited a maximum sensing response of 2.49 for 100 ppm NH3, which was increased to 7.08 by decorating the NTs with Pt nanoparticles. Flexible gas sensors were fabricated, which exhibited comparable performance to the rigid device. Additionally, the flexible devices showed excellent flexibility, mechanical stability, and sensing stability under different bending states, manifesting their potential applications in flexible and wearable electronics.

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gas sensorsammoniananotubesflexible electronics

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Nano Research
Volume 11 Issue 1,
January 2018
Pages 431-439
DOI: 10.1007/s12274-017-1650-z

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Cite this article:
Huang T, Lou Z, Chen S, et al. Fabrication of rigid and flexible SrGe4O9 nanotube-based sensors for room-temperature ammonia detection. Nano Research, 2018, 11(1): 431-439. https://doi.org/10.1007/s12274-017-1650-z

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Received: 11 March 2017
Revised: 21 April 2017
Accepted: 25 April 2017
Published: 10 August 2017
© Tsinghua University Press and Springer-Verlag GmbH Germany 2017