One-step solvothermal deposition of ZnO nanorod arrays on a wood surface for robust superamphiphobic performance and superior ultraviolet resistance.
One-step solvothermal deposition of ZnO nanorod arrays on a wood surface for robust superamphiphobic performance and superior ultraviolet resistance.
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在木材表面一步溶剂热沉积 ZnO 纳米棒阵列，具有强大的超双疏性能和卓越的抗紫外线性能
DOI：
10.1038/srep35505
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发表时间：
2016-10-24
影响因子：
4.6
通讯作者：
Zhang H
中科院分区：
文献类型：
--
作者：
Yao Q;Wang C;Fan B;Wang H;Sun Q;Jin C;Zhang H
本文采用溶剂热法在木材表面制备了大尺寸的ZnO纳米棒阵列。采用X射线衍射（XRD）、场发射扫描电子显微镜（FE-SEM）、透射电子显微镜（TEM）、傅里叶变换红外光谱（FTIR）、热重分析（TG）和差热分析（DTA）对样品进行了表征。直径约为85 nm、长度约为1.5 μm的ZNA通过氢键与木材表面化学键合。通过水或油接触角（WCA或OCA）和滚降角（roll-off angles）、砂磨试验和人工加速老化试验来测量和评价超双疏性能和抗紫外性能。结果表明，经ZNA处理的木材在机械冲击、腐蚀性液体、间歇和换位温度以及水喷淋下表现出稳健的超双疏性能。此外，所制备的木材样品显示出优异的耐上级紫外线性。
In the present paper, uniformly large-scale wurtzite-structured ZnO nanorod arrays (ZNAs) were deposited onto a wood surface through a one-step solvothermal method. The as-prepared samples were characterized by X-ray diffraction (XRD), field-emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FTIR), thermogravimetry (TG), and differential thermal analysis (DTA). ZNAs with a diameter of approximately 85 nm and a length of approximately 1.5 μm were chemically bonded onto the wood surface through hydrogen bonds. The superamphiphobic performance and ultraviolet resistance were measured and evaluated by water or oil contact angles (WCA or OCA) and roll-off angles, sand abrasion tests and an artificially accelerated ageing test. The results show that the ZNA-treated wood demonstrates a robust superamphiphobic performance under mechanical impact, corrosive liquids, intermittent and transpositional temperatures, and water spray. Additionally, the as-prepared wood sample shows superior ultraviolet resistance.
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