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Zhang X, Gu Y, Huang B, Weng C. Advanced polymer grating fabrications: Surface-engineered structural colors for organic vapor sensing. J Colloid Interface Sci 2024; 662:583-595. [PMID: 38367576 DOI: 10.1016/j.jcis.2024.02.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 01/12/2024] [Accepted: 02/03/2024] [Indexed: 02/19/2024]
Abstract
The emerging field of structural coloration, using the intricate interactions between light and engineered micro/nanostructures, is increasingly recognized for its transformative potential in advanced sensing technologies, anti-counterfeiting measures, and intelligent displays. Especially the structural color generated by precise micro and nanostructures has a high sensitivity to external environmental changes and has great advantages for application in sensing. This study uses time-domain finite element modeling in tandem with comprehensive chromaticity analysis to investigates the progression of color transitions in polymer-based grating structures, with an emphasis on enhancing sensitivity to subtle chromatic variations. A polystyrene (PS) grating structure was fabricated by injection molding process to investigate the performance of organic vapor detection by grating structure on the experimental platform of gas detection. The investigative findings reveal that the grating depth significantly dictates the colorimetric response, overshadowing the influence of the duty cycle and spatial period. In acetone vapor atmosphere, the PS grating structure can achieve accurate color response as little as 1 min, and when the acetone structural color is fully reactive, the sensitivity can reach a maximum of Sg = 7.2 × 10-4 ppm-1, that demonstrated superior performance in detecting high concentrations of acetone vapor showcasing pronounced stability and consistent repeatability. These characteristics suggest its strong potential for deployment in reliable and robust sensing modalities.
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Affiliation(s)
- Xiaoyu Zhang
- College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
| | - Yaoquan Gu
- College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
| | - Binni Huang
- College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
| | - Can Weng
- College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China; State Key Laboratory of Precision Manufacturing for Extreme Service Performance, Central South University, Changsha 410083, China.
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Lu X, Shen P, Bai Q, Liu Y, Han B, Ma H, Li R, Hou X, Zhang Y, Wang JJ. Responsive photonic hydrogel for colorimetric detection of formaldehyde. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 300:122920. [PMID: 37269656 DOI: 10.1016/j.saa.2023.122920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 05/23/2023] [Accepted: 05/25/2023] [Indexed: 06/05/2023]
Abstract
Formaldehyde (FA) can damage DNA, cause liver and kidney dysfunction, and ultimately lead to malignant tumors. Therefore, it is essential to develop a method that can conveniently detect FA with high detection sensitivity. Here, a responsive photonic hydrogel was prepared by embedding three-dimensional photonic crystal (PC) into amino-functionalized hydrogel to construct a colorimetric sensing film for FA. The amino groups on the polymer chains of the photonic hydrogel reacts with FA to increase the crosslinking density of the hydrogel, resulting in its volume shrinkage and a decrease in microsphere spacing of the PC. That causes the reflectance spectra blue-shift of more than 160 nm and color change from red to cyan for the optimized photonic hydrogel, achieving the sensitive, selective and colorimetric detection of FA. The constructed photonic hydrogel shows good accuracy and reliability for practical determination of FA in air and aquatic products, providing a new strategy for designing other target analytes responsive photonic hydrogels.
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Affiliation(s)
- Xiaokang Lu
- Key Laboratory of New Energy & New Functional Materials, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, PR China
| | - Peiyan Shen
- Key Laboratory of New Energy & New Functional Materials, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, PR China
| | - Qinglin Bai
- Key Laboratory of New Energy & New Functional Materials, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, PR China
| | - Yang Liu
- Key Laboratory of New Energy & New Functional Materials, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, PR China
| | - Bo Han
- Key Laboratory of New Energy & New Functional Materials, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, PR China
| | - Haojie Ma
- Key Laboratory of New Energy & New Functional Materials, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, PR China
| | - Ran Li
- Key Laboratory of New Energy & New Functional Materials, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, PR China
| | - Xueyan Hou
- Key Laboratory of New Energy & New Functional Materials, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, PR China
| | - Yuqi Zhang
- Key Laboratory of New Energy & New Functional Materials, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, PR China.
| | - Ji-Jiang Wang
- Key Laboratory of New Energy & New Functional Materials, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, PR China
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Song J, Bian F, Li X, Li Z, He S, Jia L, Xu Z. Effect of Solvents on the Color Recovery Responses of Swollen Structural-Color Epoxy Films Based on Inverse Opal Photonic Crystals. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:14588-14595. [PMID: 36417553 DOI: 10.1021/acs.langmuir.2c01922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Photonic crystal (PC) films have been widely applied in color displays and the anticounterfeiting field due to their facile fabrication process and easily tunable properties. However, the method for improving the reusability of the color-changed swollen PC films is still a challenge. In this paper, we report the color recovery behavior of epoxy resin inverse opal photonic crystal (EP-IOPC) films, which show different responses after being infiltrated with ethanol, acetone, and dimethyl sulfoxide (DMSO) based on the swelling and deswelling process. DMSO achieved the best effect on the color recovery of the swollen EP-IOPC films compared to ethanol and acetone, and the reflection spectrum blue-shifted in a small range and finally stabilized at a 60 nm deviation from the original spectrum after 10 times recovery. This strategy of color recovery not only solved the problem that the swollen EP-IOPC film's color changes to a certain extent but also showed promising potential in the color display and anticounterfeiting field.
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Affiliation(s)
- Jiatian Song
- State Key Laboratory of Metastable Material Science and Technology, School of Information Science and Engineering, Yanshan University, Qinhuangdao, Hebei066004, China
| | - Fei Bian
- State Key Laboratory of Metastable Material Science and Technology, School of Information Science and Engineering, Yanshan University, Qinhuangdao, Hebei066004, China
| | - Xinhua Li
- State Key Laboratory of Metastable Material Science and Technology, School of Information Science and Engineering, Yanshan University, Qinhuangdao, Hebei066004, China
| | - Zhuoqun Li
- State Key Laboratory of Metastable Material Science and Technology, School of Information Science and Engineering, Yanshan University, Qinhuangdao, Hebei066004, China
| | - Shaorui He
- State Key Laboratory of Metastable Material Science and Technology, School of Information Science and Engineering, Yanshan University, Qinhuangdao, Hebei066004, China
| | - Linmao Jia
- State Key Laboratory of Metastable Material Science and Technology, School of Information Science and Engineering, Yanshan University, Qinhuangdao, Hebei066004, China
| | - Zhaopeng Xu
- State Key Laboratory of Metastable Material Science and Technology, School of Information Science and Engineering, Yanshan University, Qinhuangdao, Hebei066004, China
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Zhang W, Xue M, Fan J, Qiu L, Zheng W, Liu Y, Meng Z. Flory-Huggins VOC Photonics Sensor Made of Cellulose Derivatives. ACS APPLIED MATERIALS & INTERFACES 2022; 14:10701-10711. [PMID: 35167261 DOI: 10.1021/acsami.1c22137] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
As a widespread air pollutant, volatile organic compounds (VOCs) are harmful to the human body's skin, nervous system, and respiratory system. Low-cost, extensive, and continuous detection of VOCs is of great significance to human health. We infiltrated and coated cellulose acetate on the inverse opal photonic crystal skeleton of methylcellulose-polyvinyl alcohol-graphene oxide to construct a degradable, high-toughness cellulose VOC sensor. Cellulose acetate enhances the response to VOCs and achieves a highly selective response to acetone vapor due to the smaller Flory-Huggins parameter with acetone. This work proposes a general, simple, easy-to-use, and highly selective photonic crystal VOC sensor development strategy. Calculated from the Flory-Huggins solution theory, a suitable polymer was selected to modify the inverse opal photonic crystal framework and achieve high selectivity detection.
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Affiliation(s)
- Wenxin Zhang
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 10081, China
| | - Min Xue
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 10081, China
| | - Jing Fan
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 10081, China
| | - Lili Qiu
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 10081, China
| | - Wenxiang Zheng
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 10081, China
| | - Yangyang Liu
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 10081, China
| | - Zihui Meng
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 10081, China
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Barik P, Pradhan M. Selectivity in trace gas sensing: recent developments, challenges, and future perspectives. Analyst 2022; 147:1024-1054. [DOI: 10.1039/d1an02070f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Selectivity is one of the most crucial figures of merit in trace gas sensing, and thus a comprehensive assessment is necessary to have a clear picture of sensitivity, selectivity, and their interrelations in terms of quantitative and qualitative views.
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Affiliation(s)
- Puspendu Barik
- Technical Research Centre, S. N. Bose National Centre for Basic Sciences, JD Block, Sector-III, Salt Lake City, Kolkata – 700106, India
| | - Manik Pradhan
- Technical Research Centre, S. N. Bose National Centre for Basic Sciences, JD Block, Sector-III, Salt Lake City, Kolkata – 700106, India
- Department of Chemical, Biological and Macromolecular Sciences, S. N. Bose National Centre for Basic Sciences, JD Block, Sector-III, Salt Lake City, Kolkata – 700106, India
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Silver Enhances Hematite Nanoparticles Based Ethanol Sensor Response and Selectivity at Room Temperature. SENSORS 2021; 21:s21020440. [PMID: 33435484 PMCID: PMC7827617 DOI: 10.3390/s21020440] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Revised: 01/05/2021] [Accepted: 01/07/2021] [Indexed: 11/23/2022]
Abstract
Gas sensors are fundamental for continuous online monitoring of volatile organic compounds. Gas sensors based on semiconductor materials have demonstrated to be highly competitive, but are generally made of expensive materials and operate at high temperatures, which are drawbacks of these technologies. Herein is described a novel ethanol sensor for room temperature (25 °C) measurements based on hematite (α‑Fe2O3)/silver nanoparticles. The AgNPs were shown to increase the oxide semiconductor charge carrier density, but especially to enhance the ethanol adsorption rate boosting the selectivity and sensitivity, thus allowing quantification of ethanol vapor in 2–35 mg L−1 range with an excellent linear relationship. In addition, the α-Fe2O3/Ag 3.0 wt% nanocomposite is cheap, and easy to make and process, imparting high perspectives for real applications in breath analyzers and/or sensors in food and beverage industries. This work contributes to the advance of gas sensing at ambient temperature as a competitive alternative for quantification of conventional volatile organic compounds.
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