Effects of Melanin on Optical Behavior of Polymer: From Natural Pigment to Materials Applications,ACS Applied Materials & Interfaces

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Effects of Melanin on Optical Behavior of Polymer: From Natural Pigment to Materials Applications
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2018-03-26 00:00:00 , DOI: 10.1021/acsami.8b02658
Yang Wang ₁ , Xuefei Wang ₁ , Ting Li ₁ , Piming Ma ₁ , Shengwen Zhang ₁ , Mingliang Du ₁ , Weifu Dong ₁ , Yi Xie ₁ , Mingqing Chen ₁

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Melanin is a kind of ubiquitous natural pigment, which serves a variety of protective functions in many organisms. In the present study, natural melanin and synthetic melanin nanoparticles (NPs) were systematically investigated for its potential application in polymeric optical materials. A significant short-wavelength shielding and high visible light transparency polymer nanocomposite was easily obtained via tuning the melanin particle size. In particular, the nanocomposite film with melanin NPs (diameter ≈ 15 nm) loading even as low as 1 wt % blocks most ultraviolet light below 340 nm and still keeps high visible light transparency (83%) in the visible spectrum. More importantly, because of the excellent photoprotection and radical scavenging capabilities of melanin, the resulting polymer nanocomposite exhibits outstanding photostability. In effect, such fantastic melanin NPs is promising for applications in various optical materials.

中文翻译：

黑色素对聚合物光学行为的影响：从天然颜料到材料应用

黑色素是一种普遍存在的天然色素，在许多生物体中具有多种保护功能。在本研究中，系统研究了天然黑色素和合成黑色素纳米颗粒（NPs）在聚合物光学材料中的潜在应用。通过调节黑色素的粒径，很容易获得显着的短波屏蔽和高可见光透明度的聚合物纳米复合材料。尤其是，即使负载量低至1 wt％的黑色素NP（直径约15 nm）纳米复合膜也能阻挡大部分低于340 nm的紫外光，并且在可见光谱中仍保持较高的可见光透明度（83％）。更重要的是，由于黑色素具有出色的光保护和自由基清除能力，因此所得的聚合物纳米复合材料表现出出色的光稳定性。

更新日期：2018-03-26

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