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Journal of Materials Science: Materials in Electronics

Facile synthesis of Au-decorated α-Fe2O3/rGO ternary hybrid structure nanocomposites for enhanced triethylamine gas-sensing properties

  • 10-11-2020
Published in:
Authors
Miao Liu
Peng Song
Xin Zhong
Zhongxi Yang
Qi Wang
Published in
Journal of Materials Science: Materials in Electronics | Issue 24/2020

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Abstract

The preparation of hybrid nanostructures is vitally important to both basic research and actual applications. In this work, a novel hybrid structure of ternary α-Fe2O3/rGO/Au nanocomposites was favorably fabricated though a facile two-step hydrothermal route and subsequent in-situ reducing procedure. The characterization results indicated that the Au nanoparticles with sizes of 20–30 nm were modified on α-Fe2O3 nanocubes with a size range of 180–230 nm and were homogeneously anchored on the appearance of reduced graphene oxide (rGO) sheets. Gas-sensing test results demonstrated that the ternary hybrid structure exhibited improved triethylamine (TEA)-sensing performances such as the highest response (43.6–100 ppm TEA), fast response/recovery rate (5/7 s), and better selectivity (ethanol, ammonia, methanol, formaldehyde, trimethylamine, acetone). This work is expected to propose beneficial reference for the development of complex ternary nanocomposites for TEA detection in the future.

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previous article Profound analysis on sensing performance of Nanogap SiGe source DM-TFET biosensor
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Title
Facile synthesis of Au-decorated α-Fe2O3/rGO ternary hybrid structure nanocomposites for enhanced triethylamine gas-sensing properties
Authors
Miao Liu
Peng Song
Xin Zhong
Zhongxi Yang
Qi Wang
Publication date
10-11-2020
Publisher
Springer US
Published in
Journal of Materials Science: Materials in Electronics / Issue 24/2020
Print ISSN: 0957-4522
Electronic ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-020-04796-4
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