Dual-Wavelength Photosensitizer Based on Phthalocyanine Nanodots for Multifunctional Composites with Enhanced Photodynamic Antibacterial, Photothermal Performance, and UV Protection

IF 8 2区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY
Meng Ju, Changwu Zheng, Aiqin Hou, Kongliang Xie, Xiaoyue Han, Aiqin Gao
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Abstract

Designing efficient near-infrared photosensitive molecules and excellent photosensitive materials is a major challenge in the fields of photodynamic antibacterial and photothermal energy conversion. The Förster resonance energy transfer shows much promise for enhancing the photodynamic antibacterial property and photothermal performance. Herein, a novel water-soluble dual-band enhanced naphthylimide functionalized phthalocyanine photosensitizer is designed and synthesized. The designed dual-band enhanced photosensitizer, 2,9(10),16(17),23(24)-Tetrakis[N-Benzyl-N,N'-dimethyl-1-propanaminium-4-(N-hydroxyethyl)-1,8-naphthylimino] phthalocyanine Zinc(II) (NAPc-N), can self-assemble by the π–π stacking interactions to form nanodots with a size of ≈40–50 nm. Nanodot composites prepared using waterborne polyurethane (WPU), exhibit dual-wavelength photodynamic antibacterial at 440 and 680 nm irradiations, efficiently photothermal conversion, and excellent UV protection (UPF) performances. The produced singlet oxygen amount by NAPc-N shows tremendous enhancement in dual-wavelength irradiations. After 30 min under the blue and infrared lights, the antibacterial rate of NAPc-N against Staphylococcus aureus and Escherichia coli reaches 99.99%. The temperature of the NAPc-N composite can be heated up to 60 °C and the UPF value can be up to 128.23. These dual-wavelength enhanced photosensitizer nanodots hold significant potential for advanced photodynamic materials and biomaterials applications.

Abstract Image

基于酞菁纳米点的双波长光敏剂用于增强光动力抗菌、光热性能和紫外线防护的多功能复合材料
设计高效的近红外光敏分子和优良的光敏材料是光动力抗菌和光热转换领域的重大挑战。Förster共振能量转移对提高光动力抗菌性能和光热性能有很大的希望。本文设计并合成了一种新型水溶性双波段增强型萘酰亚胺功能化酞菁光敏剂。所设计的双波段增强型光敏剂2,9(10),16(17),23(24)- tetrakis [N- benzyl -N,N'-二甲基-1-丙胺-4-(N-羟乙基)-1,8-naphthylimino]酞菁锌(II) (NAPc-N)可以通过π - π堆叠相互作用自组装形成尺寸约为40-50 nm的纳米点。以水性聚氨酯(WPU)为材料制备的纳米点复合材料在440和680 nm下具有双波长光动力抗菌、高效光热转换和优异的紫外线防护性能。在双波长辐照下,NAPc-N产生的单线态氧量显著增强。在蓝光和红外光作用30 min后,NAPc-N对金黄色葡萄球菌和大肠杆菌的抑菌率达到99.99%。NAPc-N复合材料的温度可达60℃,UPF值可达128.23。这些双波长增强光敏剂纳米点在先进的光动力材料和生物材料应用中具有重要的潜力。
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
Advanced Optical Materials
Advanced Optical Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-OPTICS
CiteScore
13.70
自引率
6.70%
发文量
883
审稿时长
1.5 months
期刊介绍: Advanced Optical Materials, part of the esteemed Advanced portfolio, is a unique materials science journal concentrating on all facets of light-matter interactions. For over a decade, it has been the preferred optical materials journal for significant discoveries in photonics, plasmonics, metamaterials, and more. The Advanced portfolio from Wiley is a collection of globally respected, high-impact journals that disseminate the best science from established and emerging researchers, aiding them in fulfilling their mission and amplifying the reach of their scientific discoveries.
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