Graphene Oxide Transparent Hybrid Film and Its Ultraviolet Shielding Property

Xie, Siyuan; Zhao, Jianfeng; Zhang, Bowu; Wang, Ziqiang; Ma, Hongjuan; Yu, Chao; Yu, Miao; Li, Linfan; Li, Jingye

doi:10.1021/acsami.5b04231

Cited by 85 publications

(64 citation statements)

References 29 publications

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“…The E g values also provided a fair compare of the overall optical performance among various UV-absorbing materials. The results showed that the UV-shielding efficacy of these two types of lignin nanoparticles was comparable to prevalent metal oxide nanoparticles and other emerging biopolymer nanoparticles such as polydopamine and melanin [13, 15, 25, 26]. …”

Section: Resultsmentioning

confidence: 99%

Lignin valorization: lignin nanoparticles as high-value bio-additive for multifunctional nanocomposites

Tian

Bao

et al. 2017

Biotechnol Biofuels

275

170

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BackgroundAlthough conversion of low value but high-volume lignin by-product to its usable form is one of the determinant factors for building an economically feasible integrated lignocellulose biorefinery, it has been challenged by its structural complexity and inhomogeneity. We and others have shown that uniform lignin nanoparticles can be produced from a wide range of technical lignins, despite the varied lignocellulosic biomass and the pretreatment methods/conditions applied. This value-added nanostructure lignin enriched with multifunctional groups can be a promising versatile material platform for various downstream utilizations especially in the emerging nanocomposite fields.ResultsInspired by the story of successful production and application of nanocellulose biopolymer, two types of uniform lignin nanoparticles (LNPs) were prepared through self-assembling of deep eutectic solvent (DES) and ethanol-organosolv extracted technical lignins derived from a two-stage fractionation pretreatment approach, respectively. Both LPNs exhibited sphere morphology with unique core–shell nanostructure, where the DES–LNPs showed a more uniform particle size distribution. When incorporated into the traditional polymeric matrix such as poly(vinyl alcohol), these LPN products displayed great potential to formulate a transparent nanocomposite film with additional UV-shielding efficacy (reached ~80% at 400 nm with 4 wt% of LNPs) and antioxidant functionalities (reached ~160 μm mol Trolox g−1 with 4 wt% of LNPs). At the same time, the abundant phenolic hydroxyl groups on the shell of LNPs also provided good interfacial adhesion with PVA matrix through the formation of hydrogen bonding network, which further improved the mechanical and thermal performances of the fabricated LNPs/PVA nanocomposite films.ConclusionsBoth LNPs are excellent candidates for producing multifunctional polymer nanocomposites using facile technical route. The prepared transparent and flexible LNPs/PVA composite films with high UV-shielding efficacy, antioxidant activity, and biocompatibility are promising in the advanced packaging field, which potentially provides an additional high-value lignin product stream to the lignocellulose biorefinery. This study could open the door for the production and application of novel LNPs in the nascent bioeconomy.Graphical abstractLignin nanoparticle for transparent nanocomposite film with UV-shielding efficacy Electronic supplementary materialThe online version of this article (doi:10.1186/s13068-017-0876-z) contains supplementary material, which is available to authorized users.

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Section: Resultsmentioning

confidence: 99%

Lignin valorization: lignin nanoparticles as high-value bio-additive for multifunctional nanocomposites

Tian

Bao

et al. 2017

Biotechnol Biofuels

275

170

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“…Every part of solar light also has its special application. As Xie reported, it has been proved that prolonged exposure to UV irradiation would result in acute and chronic health effects on the skin, eyes, and immune system of humans . Consequently nanoparticles that shield UV light (200 nm–400 nm) can be used in sunscreen .…”

Section: Figurementioning

confidence: 99%

Selective and Tunable Near‐Infrared and Visible Light Transmittance of MoO_3−x Nanocomposites with Different Crystallinity

Sun

et al. 2017

Chemistry An Asian Journal

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In this Communication, we report MoO nanocomposites in which the near-infrared and visible light transmittance can be selectively modulated through the crystallinity. The MoO nanocomposites were fabricated by a hydrothermal method, and their optical properties were characterized by UV-Vis spectrometer. The obtained results proved the possibility to tune the nanocomposite's optical properties in the UV/Visible spectral region: crystalline MoO mainly regulates the near-infrared range (800-2600 nm), and amorphous MoO mainly changes the visible range from 350 nm to 800 nm and MoO , with semi-crystalline structures mainly modulating around 800-1000 nm. These kinds of optical modulations could be attributed to small polar absorption, free electron absorption and plasmon absorption according to different crystallinity. Our work may create new possibilities for future applications such as photochromism, photocatalysis, and electrochromism.

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“…It should be noted that our PVA/SiMoA composite films present a nice balance between high visible transparency and UV‐shielding performance, while many approaches to designing UV‐protection materials often enhanced in just one kind of optical properties. For instance, PVA/S‐GO films exhibit a high UV‐shielding of ~97%, yet a relatively low visible transparency (only ~44%) . Similarly, PVA/TiO 2 films have a high UV‐shielding of ~98%, whereas the visible transparency is relatively low, only ~40% .…”

Section: Resultsmentioning

confidence: 99%

Hydrogen‐bonding assembly of heteropolyacid and poly(vinyl alcohol) for strong, flexible, and transparent UV‐protective films

Zhang

Chen

Tang

et al. 2019

J of Applied Polymer Sci

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Although many preparation approaches have been developed, it remains a huge challenge to achieve ultraviolet (UV)‐protection films that combine high transparency, excellent UV‐shielding, and mechanical properties. Herein, we demonstrate a facile and eco‐friendly process for fabricating strong, flexible, and transparent UV‐protective poly(vinyl alcohol) (PVA) films by exploiting silicomolybdic acid (SiMoA) as UV absorber and reinforcing phase. Fourier‐transform infrared analysis confirms the formation of strong hydrogen‐bonding interactions between PVA and SiMoA. The glass‐transition temperature, mechanical properties, and UV‐shielding stability of the UV‐protective PVA composite films obviously increase with increasing the content of SiMoA. By incorporation of only 2 wt % SiMoA, the UV‐protective PVA composite film can block more than 90% of UV light in the entire UV regions and retain high visible light transparency (up to 95%). Simultaneously, the UV‐protective PVA composite film presents excellent mechanical properties with a tensile strength of 65.2 MPa and an elongation at break of 172.6%, which are 72.0 and 69.5% higher than that of pristine PVA films. This work provides a simple but effective approach for creating strong, flexible, and transparent UV‐blocking polymeric materials via hydrogen‐bonding assembly, which are expected to have wide application prospects in UV‐protection field. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2020, 137, 48813.

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Graphene Oxide Transparent Hybrid Film and Its Ultraviolet Shielding Property

Cited by 85 publications

References 29 publications

Lignin valorization: lignin nanoparticles as high-value bio-additive for multifunctional nanocomposites

Lignin valorization: lignin nanoparticles as high-value bio-additive for multifunctional nanocomposites

Selective and Tunable Near‐Infrared and Visible Light Transmittance of MoO_3−x Nanocomposites with Different Crystallinity

Hydrogen‐bonding assembly of heteropolyacid and poly(vinyl alcohol) for strong, flexible, and transparent UV‐protective films

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Graphene Oxide Transparent Hybrid Film and Its Ultraviolet Shielding Property

Cited by 85 publications

References 29 publications

Lignin valorization: lignin nanoparticles as high-value bio-additive for multifunctional nanocomposites

Lignin valorization: lignin nanoparticles as high-value bio-additive for multifunctional nanocomposites

Selective and Tunable Near‐Infrared and Visible Light Transmittance of MoO3−x Nanocomposites with Different Crystallinity

Hydrogen‐bonding assembly of heteropolyacid and poly(vinyl alcohol) for strong, flexible, and transparent UV‐protective films

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Selective and Tunable Near‐Infrared and Visible Light Transmittance of MoO_3−x Nanocomposites with Different Crystallinity