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Nanostructured ZnO on cotton fabrics – A novel flexible gas sensor & UV filter
Journal of Cleaner Production ( IF 9.7 ) Pub Date : 2018-05-17 , DOI: 10.1016/j.jclepro.2018.05.110
Dinesh Kumar Subbiah , Ganesh Kumar Mani , K. Jayanth Babu , Apurba Das , John Bosco Balaguru Rayappan

The surge in skin cancer cases across the globe has forced the scientific community to develop solutions to protect humans against the ill effects of ultraviolet (UV) radiation. Nowadays, functionalized cotton textiles are employed to protect humans against UV radiation. In this context, nanostructured ZnO modified cotton fabrics towards the enhancement of ultraviolet protection factor (UPF) as well as to develop wearable gas sensors have been developed. The surface of carbon cellulosic fabric was modified by sol-gel and sputter seed layer-coated sol-gel techniques. ZnO grown fabrics were characterized using X-ray Diffractometer (XRD), Field Emission Scanning Electron Microscope (FE-SEM), Thermogravimetric Analysis (TGA), X-ray Photoelectron Spectrometer (XPS) and Fourier Transform Infrared Spectrometer (FTIR). Subsequently, UV-blocking and gas sensing properties of the modified textile samples were investigated. The seed layer initiated sol-gel modified cotton fabric showed a maximum UV protection factor (UPF) of 378. Also, room temperature gas-sensing performance of the functionalized cotton fabric towards volatile organic compounds such as acetaldehyde, ammonia and ethanol vapours was investigated.



中文翻译:

棉织物上的纳米结构ZnO –新型柔性气体传感器和紫外线过滤器

全球皮肤癌病例的激增迫使科学界开发解决方案,以保护人类免受紫外线(UV)辐射的不良影响。如今,功能化的棉纺织品被用于保护人类免受紫外线辐射。在此背景下,已经开发了纳米结构的ZnO改性棉织物,旨在增强紫外线保护因子(UPF)并开发出可穿戴的气体传感器。碳纤维织物的表面通过溶胶-凝胶和溅射种子层涂覆的溶胶-凝胶技术进行了改性。使用X射线衍射仪(XRD),场发射扫描电子显微镜(FE-SEM),热重分析(TGA),X射线光电子能谱仪(XPS)和傅里叶变换红外光谱仪(FTIR)对ZnO生长的织物进行表征。随后,研究了改性纺织品样品的紫外线阻隔和气敏特性。种子层引发的溶胶-凝胶改性棉织物的最大紫外线保护系数(UPF)为378。此外,还研究了功能化棉织物对挥发性有机化合物(如乙醛,氨和乙醇蒸气)的室温气敏性能。

更新日期:2018-05-17
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