Preparation of a hydrophilic nanofiber membrane by electrospinning for application in the detection of NO2 by chemiluminescence

ZhiJin Xie; WenYuan Tan; YaLin Xiong; ShaoLin Deng; Jing Zhang

doi:10.1039/d3ay00936j

Preparation of a hydrophilic nanofiber membrane by electrospinning for application in the detection of NO₂ by chemiluminescence

Anal Methods. 2023 Oct 12;15(39):5250-5258. doi: 10.1039/d3ay00936j.

Authors

ZhiJin Xie¹, WenYuan Tan^{1

2}, YaLin Xiong¹, ShaoLin Deng¹, Jing Zhang¹

Affiliations

¹ School of Chemical Engineering, Sichuan University of Science & Engineering, 180 Xueyuan Street, Huixing Road, Zigong, China. 281580409@qq.com.
² Innovation Center for Chenguang High Performance Fluorine Material, Sichuan University of Science & Engineering, 180 Xueyuan Street, Huixing Road, Zigong, China.

PMID: 37786249
DOI: 10.1039/d3ay00936j

Abstract

The strong hydrophobicity of the PVDF membrane is prone to contamination that is hard to clean for long-term usage. In this study, hydrophilic and antifouling nanofiber membranes (NMs) were prepared with the hydrophilic polymer PVP and inorganic nanoparticles TiO₂NP_S. This NM was found to have excellent cleanability and good recyclability. Within 30 minutes, the residual ions could be removed by cleaning with deionized water. In alkaline solutions with the power of hydrogen (PH) ≤10, NM exhibits good alkaline resistance and recycling performance. It was also found, for the first time, that TiO₂NP_S could enhance the sensitivity of Luminol-NO₂ (L-NO₂) by 4 times. The detection of NO₂ concentration by NM presents an excellent linear relationship with the chemiluminescence reading. This linear relationship would aid quick and convenient detection of NO₂ using chemiluminescence.