Piezoelectric nanogenerators with hybrid nanofibers: a dual approach for energy generation and wastewater treatment

IF 5.8 2区 环境科学与生态学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Manish Kumar, Sumit Choudhary, Satinder K. Sharma, Jaspreet Kaur Randhawa
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引用次数: 0

Abstract

The potential of piezoelectric polymer materials to harness minute-scale kinetic energy has garnered significant scientific interest. Their superior flexibility, ease of processing, and ability to conform to large areas and curved surfaces set them apart from inorganic materials. In this study, we developed a flexible, light-sensitive piezoelectric nano generator (PENG) using electrospun hybrid nanofibers composed of polyacrylonitrile (PAN) and α-Fe2O3. Through piezo response force microscopy (PFM), we characterized the piezoelectric properties of these nanofibers, noting a significant enhancement in the piezoelectric coefficient (d33). We further investigated the application of three distinct nanostructured materials across three catalytic scenarios: piezoelectric, pyro catalytic, and photocatalytic. Our primary focus was on renewable energy generation and environmental remediation, particularly targeting the removal of organic pollutants. Our methods achieved an impressive removal efficiency of up to 95% for methylene blue (MB) dye. Additionally, we demonstrated the efficacy of integrating magnetic nanoparticles into electrospun nanofibers to improve the adsorption of heavy metals, specifically lead and copper contaminants. This research provides a comprehensive examination of nanomaterial-based energy harvesting systems, utilizing ferroelectric, sonocatalytic, and photocatalytic approaches.

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来源期刊
Environmental Science: Nano
Environmental Science: Nano CHEMISTRY, MULTIDISCIPLINARY-ENVIRONMENTAL SCIENCES
CiteScore
12.20
自引率
5.50%
发文量
290
审稿时长
2.1 months
期刊介绍: Environmental Science: Nano serves as a comprehensive and high-impact peer-reviewed source of information on the design and demonstration of engineered nanomaterials for environment-based applications. It also covers the interactions between engineered, natural, and incidental nanomaterials with biological and environmental systems. This scope includes, but is not limited to, the following topic areas: Novel nanomaterial-based applications for water, air, soil, food, and energy sustainability Nanomaterial interactions with biological systems and nanotoxicology Environmental fate, reactivity, and transformations of nanoscale materials Nanoscale processes in the environment Sustainable nanotechnology including rational nanomaterial design, life cycle assessment, risk/benefit analysis
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