Harnessing agro-wastes for sustainable nanomaterials: The promise of biofluorescent carbon dots

IF 2.1 4区 环境科学与生态学 Q3 ENGINEERING, CHEMICAL
R. Divyabharathi, B. Kalidasan, J. S. Sakthi Suriya Raj, Subramaniyan Chinnasamy, A. K. Pandey, Jayant Giri, Amanullah Fatehmulla
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Abstract

The effective utilization and high-value bioproducts from agro-wastes make sense for a sustainable circular economy for agriculture. The article discusses the promising potential of utilizing agro-wastes to produce high-value bioproducts, particularly focusing on carbon dots (C-dots) derived from such wastes. These C-dots exhibit remarkable fluorescence properties and excellent biocompatibility, making them valuable nanomaterials for various applications. The dual sources of these C-dots: green precursors sourced from both edible and non-edible plant-based materials, and chemical precursors involving acid and non-acid reagents are highlighted. This diversity in precursor materials underscores the versatility and sustainability of C-dot production. Importantly, the synthesis of fluorescent C-dots achieved quickly and directly via hydrothermal carbonization, microwave technique, thermal pyrolysis carbonization, solvothermal technique, and ultrasonic process are review concisely intended for widespread application in fields ranging from bio-imaging to optoelectronic devices. Furthermore, the article discusses the challenges associated with synthesizing high-quality C-dots from agro-residues, indicating ongoing research efforts in this area. Likewise, key energy specific characteristics like optical, photoluminestic, photosimulated electron transfer, catalytic, mechanical, and carcinogenic attributes are discussed. Despite these energy specific characteristics, various energy applications of C-dots, including their potential use in light-emitting diodes, supercapacitors, and photovoltaics are outlined. This highlights the multifaceted nature of C-dots and their contribution to advancing sustainable practices in agriculture while simultaneously addressing energy needs in various sectors. Overall, the article underscores the importance of leveraging agro-wastes for the development of innovative and environmentally friendly bioproducts, contributing to the circular economy in agriculture.

利用农业废弃物制造可持续的纳米材料:生物荧光碳点的前景
农业废弃物的有效利用和高价值生物产品对农业可持续循环经济具有重要意义。本文讨论了利用农业废弃物生产高价值生物产品的巨大潜力,特别是从这些废弃物中提取的碳点(C-dots)。这些c点具有显著的荧光特性和良好的生物相容性,使其成为有价值的纳米材料。这些C-dots的双重来源:来自可食用和不可食用植物性材料的绿色前体,以及涉及酸性和非酸性试剂的化学前体。前驱体材料的多样性强调了c点生产的多功能性和可持续性。重点综述了水热炭化、微波技术、热热解炭化、溶剂热技术和超声技术等快速直接合成荧光c点的方法,以期在从生物成像到光电器件等领域得到广泛应用。此外,本文还讨论了从农业残留物中合成高质量C-dots所面临的挑战,并指出了该领域正在进行的研究工作。同样,关键的能量特性,如光学,光致发光,光模拟电子转移,催化,机械和致癌属性进行了讨论。尽管有这些能量特性,C-dots的各种能量应用,包括它们在发光二极管、超级电容器和光伏电池中的潜在用途。这凸显了碳点的多面性及其对推进农业可持续实践、同时解决各部门能源需求的贡献。总体而言,这篇文章强调了利用农业废弃物开发创新和环境友好型生物产品、促进农业循环经济的重要性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Environmental Progress & Sustainable Energy
Environmental Progress & Sustainable Energy 环境科学-工程:化工
CiteScore
5.00
自引率
3.60%
发文量
231
审稿时长
4.3 months
期刊介绍: Environmental Progress , a quarterly publication of the American Institute of Chemical Engineers, reports on critical issues like remediation and treatment of solid or aqueous wastes, air pollution, sustainability, and sustainable energy. Each issue helps chemical engineers (and those in related fields) stay on top of technological advances in all areas associated with the environment through feature articles, updates, book and software reviews, and editorials.
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