Cellulose photonic crystal film sensor for alcohols

Fengyan Wang; Zuogang Zhu; Min Xue; Fei Xue; Qiuhong Wang; Zihui Meng; Wei Lu; Wei Chen; Fenglian Qi; Zequn Yan

doi:10.1016/j.snb.2015.05.057

Cellulose photonic crystal film sensor for alcohols

Fengyan Wang, Zuogang Zhu, Min Xue^*, Fei Xue, Qiuhong Wang, Zihui Meng, Wei Lu, Wei Chen, Fenglian Qi, Zequn Yan

^*Corresponding author for this work

School of Chemistry and Chemical Engineering

Research output: Contribution to journal › Article › peer-review

52 Citations (Scopus)

Abstract

A novel photonic crystal sensor, a cellulose film with a three dimensional (3D) colloidal array embedded inside, was fabricated by infiltrating the voids of a 3D poly methyl methacrylate (PMMA) colloidal array with methyl cellulose aqueous solution, followed by thermal curing. When the obtained cellulose photonic crystal film sensor (CPCFS) was immersed in alcohols, including ethanol, n-propanol, isopropanol and n-butanol, its lattice constant and mean effective refractive index increased, which led to the redshift of the reflection of incident light. The redshift of this sensor had linear response to the concentration of alcohol vapors, while its structural color changed from blue to green visually. This CPCFS demonstrates promising potential as an on-site monitoring sensor for alcohols and an inexpensive and minimally invasive breathalyzer in the future.

Original language	English
Pages (from-to)	222-226
Number of pages	5
Journal	Sensors and Actuators, B: Chemical
Volume	220
DOIs	https://doi.org/10.1016/j.snb.2015.05.057
Publication status	Published - 14 Jun 2015

Keywords

Cellulose
Colloidal array
Photonic crystal
Volatile organic compounds

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10.1016/j.snb.2015.05.057

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title = "Cellulose photonic crystal film sensor for alcohols",

abstract = "A novel photonic crystal sensor, a cellulose film with a three dimensional (3D) colloidal array embedded inside, was fabricated by infiltrating the voids of a 3D poly methyl methacrylate (PMMA) colloidal array with methyl cellulose aqueous solution, followed by thermal curing. When the obtained cellulose photonic crystal film sensor (CPCFS) was immersed in alcohols, including ethanol, n-propanol, isopropanol and n-butanol, its lattice constant and mean effective refractive index increased, which led to the redshift of the reflection of incident light. The redshift of this sensor had linear response to the concentration of alcohol vapors, while its structural color changed from blue to green visually. This CPCFS demonstrates promising potential as an on-site monitoring sensor for alcohols and an inexpensive and minimally invasive breathalyzer in the future.",

keywords = "Cellulose, Colloidal array, Photonic crystal, Volatile organic compounds",

author = "Fengyan Wang and Zuogang Zhu and Min Xue and Fei Xue and Qiuhong Wang and Zihui Meng and Wei Lu and Wei Chen and Fenglian Qi and Zequn Yan",

year = "2015",

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day = "14",

doi = "10.1016/j.snb.2015.05.057",

language = "English",

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T1 - Cellulose photonic crystal film sensor for alcohols

AU - Wang, Fengyan

AU - Zhu, Zuogang

AU - Xue, Min

AU - Xue, Fei

AU - Wang, Qiuhong

AU - Meng, Zihui

AU - Lu, Wei

AU - Chen, Wei

AU - Qi, Fenglian

AU - Yan, Zequn

PY - 2015/6/14

Y1 - 2015/6/14

N2 - A novel photonic crystal sensor, a cellulose film with a three dimensional (3D) colloidal array embedded inside, was fabricated by infiltrating the voids of a 3D poly methyl methacrylate (PMMA) colloidal array with methyl cellulose aqueous solution, followed by thermal curing. When the obtained cellulose photonic crystal film sensor (CPCFS) was immersed in alcohols, including ethanol, n-propanol, isopropanol and n-butanol, its lattice constant and mean effective refractive index increased, which led to the redshift of the reflection of incident light. The redshift of this sensor had linear response to the concentration of alcohol vapors, while its structural color changed from blue to green visually. This CPCFS demonstrates promising potential as an on-site monitoring sensor for alcohols and an inexpensive and minimally invasive breathalyzer in the future.

AB - A novel photonic crystal sensor, a cellulose film with a three dimensional (3D) colloidal array embedded inside, was fabricated by infiltrating the voids of a 3D poly methyl methacrylate (PMMA) colloidal array with methyl cellulose aqueous solution, followed by thermal curing. When the obtained cellulose photonic crystal film sensor (CPCFS) was immersed in alcohols, including ethanol, n-propanol, isopropanol and n-butanol, its lattice constant and mean effective refractive index increased, which led to the redshift of the reflection of incident light. The redshift of this sensor had linear response to the concentration of alcohol vapors, while its structural color changed from blue to green visually. This CPCFS demonstrates promising potential as an on-site monitoring sensor for alcohols and an inexpensive and minimally invasive breathalyzer in the future.

KW - Cellulose

KW - Colloidal array

KW - Photonic crystal

KW - Volatile organic compounds

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SP - 222

EP - 226

JO - Sensors and Actuators, B: Chemical

JF - Sensors and Actuators, B: Chemical

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Cellulose photonic crystal film sensor for alcohols

Abstract

Keywords

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