壳聚糖/氧化石墨烯/明胶（CS/GA/GO）杂交纤维，具有更高的拉伸强度和光热对话效率

IF 5.5 3区材料科学 Q2 CHEMISTRY, MULTIDISCIPLINARY Carbon Letters Pub Date : 2023-10-13 DOI:10.1007/s42823-023-00621-0

Shangyin Jia, Ying Han, Zhihao Liu, Jin Qiao, Da Bao, Linna Tian, Bin Zhang, Xiaohang Tuo, Jing Guo, Sen Zhang

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引用次数: 0

摘要

在壳聚糖（CS）杂交纤维中加入光热转换功能的挑战在于如何平衡功能性和机械性能。在这项研究中，我们采用湿法纺丝工艺成功制备了壳聚糖/氧化石墨烯/明胶（CS/GA/GO）杂交纤维，实现了机械性能的改善和高效的光热转换功能。与断裂强度为 1.07 cN/dtex 的纯 CS 纤维相比，CS/GA 复合纤维的断裂强度提高了 46.73%，而 CS/GA/GO 混合纤维则提高了 85.98%。此外，明胶（GA）的引入导致了近红外线的二次散射，提高了光热转换效率。因此，与 CS/GO 混合纤维相比，CS/GA/GO 混合纤维的升温速度更快，最高温度更高（94.3 °C、103.0 °C 和 111.3 °C）。GA 的成功加入不仅改善了混合纤维的机械性能，还提高了其光热效应性能。

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Chitosan/graphene oxide/gelatin (CS/GA/GO) hybrid fiber with enhanced tensile strength and photothermal conversation efficiency

The challenge of incorporating photothermal conversion function into chitosan (CS) hybrid fibers lies in balancing functionality and mechanical properties. In this study, we successfully prepared a chitosan/graphene oxide/gelatin (CS/GA/GO) hybrid fiber using the wet spinning process, achieving improved mechanical properties and efficient photothermal conversion capabilities. When compared with pure CS fiber with a breaking strength of 1.07 cN/dtex, the breaking strength of the CS/GA composite fiber increased by 46.73%, while the CS/GA/GO hybrid fiber showed an even greater increase of 85.98%. In addition, the introduction of gelatin (GA) led to secondary scattering of near-infrared light, enhancing the photothermal conversion efficiency. As a result, the CS/GA/GO hybrid fiber exhibited a faster temperature rise rate and higher maximum temperatures (94.3 °C, 103.0 °C, and 111.3 °C) as compared to the CS/GO hybrid fiber. The successful incorporation of GA not only improved the mechanical properties but also enhanced the photothermal performance of the hybrid fiber.

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来源期刊

Carbon Letters CHEMISTRY, MULTIDISCIPLINARY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

7.30

自引率

20.00%

发文量

118

期刊介绍： Carbon Letters aims to be a comprehensive journal with complete coverage of carbon materials and carbon-rich molecules. These materials range from, but are not limited to, diamond and graphite through chars, semicokes, mesophase substances, carbon fibers, carbon nanotubes, graphenes, carbon blacks, activated carbons, pyrolytic carbons, glass-like carbons, etc. Papers on the secondary production of new carbon and composite materials from the above mentioned various carbons are within the scope of the journal. Papers on organic substances, including coals, will be considered only if the research has close relation to the resulting carbon materials. Carbon Letters also seeks to keep abreast of new developments in their specialist fields and to unite in finding alternative energy solutions to current issues such as the greenhouse effect and the depletion of the ozone layer. The renewable energy basics, energy storage and conversion, solar energy, wind energy, water energy, nuclear energy, biomass energy, hydrogen production technology, and other clean energy technologies are also within the scope of the journal. Carbon Letters invites original reports of fundamental research in all branches of the theory and practice of carbon science and technology.