Preparation of manganese-doped carbon quantum dots@halloysite nanotube composites films for advanced UV shielding properties.

IF 1.4 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY Turkish Journal of Chemistry Pub Date : 2024-11-20 eCollection Date: 2024-01-01 DOI:10.55730/1300-0527.3701

Xiao Zhang, Bin Wang

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Abstract

The development of ultraviolet (UV) shielding materials is of great importance to protect human health and prevent the degradation of organic matter. However, the synthesis of highly efficient UV shielding polymer nanocomposites is currently limited by the agglomeration of inorganic anti-UV nanoparticles (NPs) within the polymer matrix and the limited absorption spectrum of UV shielding agents. In this study, highly effective manganese doped carbon quantum dots@halloysite nanotube composites (Mn-CDs@HNTs/PAS) were successfully synthesized by loading manganese-doped carbon quantum dots (Mn-CDs) into UV shielding effective halloysite nanotubes (HNTs) via the solvothermal method, followed by polymerization modification (PAS). The results show that inorganic NPs are evenly dispersed into the polymer matrix. The resulting UV shielding film prepared by mixing Mn-CDs@HNTs/PAS composites with polyvinyl chloride (PVC) shows enhanced UV absorption and thermal stability compared with pure PVC film. It thus appears that Mn-CDs@HNTs/PAS composites have a promising future in UV protection.

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锰掺杂碳量子dots@halloysite纳米管复合膜的制备及其先进的紫外屏蔽性能。

紫外线屏蔽材料的开发对保护人体健康和防止有机物降解具有重要意义。然而，高效紫外屏蔽聚合物纳米复合材料的合成目前受到无机抗紫外纳米颗粒（NPs）在聚合物基体内聚集和紫外线屏蔽剂吸收光谱有限的限制。在本研究中，通过溶剂热法将掺杂锰的碳量子点（Mn-CDs）加载到屏蔽紫外线的有效高岭土纳米管（HNTs）中，然后进行聚合改性（PAS），成功合成了高效掺杂锰的碳量子dots@halloysite纳米管复合材料（Mn-CDs@HNTs/PAS）。结果表明，无机NPs均匀地分散在聚合物基体中。将Mn-CDs@HNTs/PAS复合材料与聚氯乙烯（PVC）混合制备的紫外线屏蔽膜与纯PVC膜相比，具有更强的紫外线吸收和热稳定性。因此，Mn-CDs@HNTs/PAS复合材料在紫外线防护方面具有广阔的应用前景。

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来源期刊

Turkish Journal of Chemistry 化学-工程：化工

CiteScore

2.40

自引率

7.10%

发文量

审稿时长

3 months

期刊介绍： The Turkish Journal of Chemistry is a bimonthly multidisciplinary journal published by the Scientific and Technological Research Council of Turkey (TÜBİTAK). The journal is dedicated to dissemination of knowledge in all disciplines of chemistry (organic, inorganic, physical, polymeric, technical, theoretical and analytical chemistry) as well as research at the interface with other sciences especially in chemical engineering where molecular aspects are key to the findings. The journal accepts English-language original manuscripts and contribution is open to researchers of all nationalities. The journal publishes refereed original papers, reviews, letters to editor and issues devoted to special fields. All manuscripts are peer-reviewed and electronic processing ensures accurate reproduction of text and data, plus publication times as short as possible.