10.1007/s40097-022-00475-4

Ru-functionalized Ni-doped dual phases of α/γ-Fe2O3 nanosheets for an optimized acetone detection

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  • Ruonan Tian1,
  • Zeyuan Gao1,
  • Ruifeng Lang1,
  • Na Li1,
  • Huilin Gu1,
  • Gang Chen1,
  • Hongtao Guan1,
  • Elisabetta Comini2,
  • Chengjun Dong*1,
  1. School of Materials and Energy, Yunnan University, Kunming, 650091, CN
  2. Sensor, Department of Information Engineering, University of Brescia, Brescia, 25123, IT
Ru-functionalized Ni-doped dual phases of α/γ-Fe2O3 nanosheets for an optimized acetone detection

Published in Issue 12-03-2022

Copyright (c) 2025 Ruonan Tian, Zeyuan Gao, Ruifeng Lang, Na Li, Huilin Gu, Gang Chen, Hongtao Guan, Elisabetta Comini, Chengjun Dong (Author)

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This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

Tian, R., Gao, Z., Lang, R., Li, N., Gu, H., Chen, G., Guan, H., Comini, E., & Dong, C. (2022). Ru-functionalized Ni-doped dual phases of α/γ-Fe2O3 nanosheets for an optimized acetone detection. Journal of Nanostructure in Chemistry, 13(6 (December 2023). https://doi.org/10.1007/s40097-022-00475-4
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Abstract

Abstract Lately novel strategies to enhance the sensing properties on iron oxide have been proposed to achieve high performance gas sensors for acetone detection. In this working report, the synthesis of iron-glycerate (Fe-Gly) using glycerol to combine with Fe 3+ is first presented. Depending on the thermal treatment, this compound can evolve into γ-Fe 2 O 3 , α/γ-Fe 2 O 3 and α-Fe 2 O 3 . α/γ-Fe 2 O 3 shows better sensing performance as far as acetone detection is concerned. Using the dual phases of α/γ-Fe 2 O 3 as a fundamental building block, their sensing properties were further improved using Ni doping and Ru nanoparticles functionalization. The high response and selectivity to acetone detection was ascribed to the synergistic effects of unique nanosheets, mixed phases, rich oxygen vacancies and excellent catalytic activity of Ru nanoparticles. Graphical abstract

Keywords

  • Fe2O3,
  • Dual phases,
  • Nanosheets,
  • Gas sensor,
  • Acetone detection
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