Utilization of Poly(Ethylene Terephthalate) Waste Bottle into Disodium Terephthalate: A Sustainable Electrolyte for Visible to Near-Infrared Broadband Electrochromic Modulation

IF 6.5 3区 材料科学 Q2 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY Advanced Sustainable Systems Pub Date : 2024-07-22 DOI:10.1002/adsu.202400307
Pramod V. Rathod, Pooja V. Chavan, Hern Kim
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Abstract

The growing challenge of poly(ethylene terephthalate) (PET) plastic bottle waste underscores the urgent need for innovative solutions. This study introduces a pioneering approach to repurpose PET waste into valuable electrolytic material for electrochromic (EC) smart windows, presenting a novel strategy to address environmental concerns while advancing technology. Through alkaline depolymerization, disodium terephthalate (DST) electrolyte is derived from PET waste, offering an eco-friendly and cost-effective alternative. Integrated with chromogens such as 1-hexyl-[4,4′-bipyridin]-1-ium iodide [MV(I)], or 1,1′-dihexyl-[4,4′-bipyridine]-1,1′-diium iodide [DVH(I)], or 1,1′-dihexyl-[4,4′-bipyridine]-1,1′-diium dihexafluorophosphate [DVH(PF6)], alongside hydroquinone [HQ] and poly(ethyene glycol) diacrylate [PEGDA]: water, novel EC gel-based devices are fabricated. Notably, ED-3 exhibits dual-band absorption across the visible to near-infrared spectrum, enabling seamless color transitions and exceptional optical contrast. With (ΔT) values of 88.03% at 550 nm and 73.7% at 900 nm, along with a coloration efficiency of 277 cm2C⁻¹ and cyclic stability exceeding 2000 cycles, this innovative approach marks a significant advancement in PET waste upcycling for EC applications. Furthermore, this research contributes to addressing the global challenges of plastic waste pollution and energy consumption, underscoring the transformative potential of sustainable material development.

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利用聚对苯二甲酸乙二酯废瓶制造对苯二甲酸二钠:用于可见光至近红外宽带电致变色调制的可持续电解质
聚对苯二甲酸乙二酯(PET)塑料瓶废物带来的挑战与日俱增,凸显了对创新解决方案的迫切需求。本研究介绍了一种开创性的方法,将 PET 废弃物重新利用为电致变色(EC)智能窗的宝贵电解材料,提出了一种既能解决环境问题又能推动技术发展的新策略。通过碱性解聚,对苯二甲酸二钠(DST)电解液从 PET 废料中提取出来,提供了一种生态友好且具有成本效益的替代品。与 1-己基-[4,4′-联吡啶]-1-碘化铟[MV(I)]或 1,1′-二己基-[4,4′-联吡啶]-1,1′-二碘化铟[DVH(I)]等发色剂结合使用、或 1,1′-二己基-[4,4′-联吡啶]-1,1′-二六氟磷酸盐[DVH(PF6)],以及对苯二酚[HQ]和聚乙二醇二丙烯酸酯[PEGDA]:水,制造出了基于导电凝胶的新型装置。值得注意的是,ED-3 具有从可见光到近红外光谱的双波段吸收特性,可实现无缝色彩转换和卓越的光学对比。在 550 纳米波长和 900 纳米波长下,ED-3 的 (ΔT) 值分别为 88.03% 和 73.7%,着色效率为 277 cm2C-¹,循环稳定性超过 2000 次。此外,这项研究还有助于应对全球塑料废物污染和能源消耗的挑战,凸显了可持续材料开发的变革潜力。
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来源期刊
Advanced Sustainable Systems
Advanced Sustainable Systems Environmental Science-General Environmental Science
CiteScore
10.80
自引率
4.20%
发文量
186
期刊介绍: Advanced Sustainable Systems, a part of the esteemed Advanced portfolio, serves as an interdisciplinary sustainability science journal. It focuses on impactful research in the advancement of sustainable, efficient, and less wasteful systems and technologies. Aligned with the UN's Sustainable Development Goals, the journal bridges knowledge gaps between fundamental research, implementation, and policy-making. Covering diverse topics such as climate change, food sustainability, environmental science, renewable energy, water, urban development, and socio-economic challenges, it contributes to the understanding and promotion of sustainable systems.
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