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Magnetically assembled photonic crystal film for humidity sensing

Xuan, Ruyang, Wu, Qingsheng, Yin, Yadong, Ge, Jianping·2011·Journal of Materials Chemistry

Abstract

A novel Fe3O4@SiO2/PEG acrylate photonic crystal humidity sensor has been fabricated by combining magnetic assembly and photo-polymerization. The sensor self-displays brilliant colors as the humidity changes. By optimizing the cross-linking level and the thickness of the polymer film, the reflection wavelength can shift 160 nm in several minutes, while its intensity is readable by the naked eye. The tested sensors demonstrate good reversibility and durability in cycling experiments. Such photonic crystal sensors may have great potential as energy efficient devices, as no electric power is required for their operation.

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Metadata

Authors
Xuan, R., Wu, Q., Yin, Y., & Ge, J.
Venue
Journal of Materials Chemistry
Published
2011
Volume
21
Issue
11
Pages
3672
ISSN
  • 0959-9428 (ISSN-L)
  • 1364-5501
OpenAlex
W2068988137
Cited by
163
References
0
FWCI
6.78
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Magnetically assembled photonic crystal film for humidity sensing. https://app.cochat.ai/papers/10.1039/c0jm03790g
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Xuan, R., Wu, Q., Yin, Y., & Ge, J. (2011). Magnetically assembled photonic crystal film for humidity sensing. Journal of Materials Chemistry. https://doi.org/10.1039/c0jm03790g

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