激光活化诱导的选择性金属化：通过金属氧化物复合物在聚合物上制备金属化图案,ACS Applied Materials & Interfaces

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激光活化诱导的选择性金属化：通过金属氧化物复合物在聚合物上制备金属化图案
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2017-02-28 00:00:00 , DOI: 10.1021/acsami.6b15828
Jihai Zhang ₁ , Tao Zhou ₁ , Liang Wen ₁

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近来，由于其在塑料和金属上的优异性能，在聚合物基底上的金属化已受到更多关注。在这项研究中，将铜-氧化铬的金属氧化物复合物（CuO·Cr ₂ O ₃）掺入聚合物基体中，以设计出良好的激光直接结构化（LDS）材料，并定义清晰的铜图案（厚度= 10 μm）是通过基于1064 nm近红外脉冲激光激活和化学镀铜的选择性金属化成功制造的。我们还制备了掺有CuO和Cr ₂ O _3的聚合物复合材料; 然而，这两种聚合物复合材料都具有非常差的选择性金属化能力，这对LDS技术没有实际价值。在我们的工作中，使用XPS，UV-vis-IR，光学显微镜，SEM，接触角，ATR FTIR等系统地研究和阐明了导致上述结果的关键原因。结果表明，在激光活化（辐照）后，CuO·Cr ₂ O ₃（含量= 5 wt％）的聚合物复合材料中54.0％Cu ²⁺被还原为Cu ⁰（元素铜）。然而，对于CuO的聚合物复合物，该值仅为26.8％（含量＝ 5wt％）。可以肯定的是，在激光激活后，要成功地进行选择性金属化，不仅要形成新形成的Cu ⁰（催化种子）是关键因素，但是产生的Cu ⁰催化种子的数量也很重要。这两个因素共同决定了选择性金属化的最终结果。CuO·Cr ₂ O ₃非常适用于通过LDS技术在固有的纯黑色或亮黑色聚合物材料上制造金属图案（例如金属装饰，电路）的应用，具有大规模工业应用的前景。

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Selective Metallization Induced by Laser Activation: Fabricating Metallized Patterns on Polymer via Metal Oxide Composite

Recently, metallization on polymer substrates has been given more attention due to its outstanding properties of both plastics and metals. In this study, the metal oxide composite of copper–chromium oxide (CuO·Cr₂O₃) was incorporated into the polymer matrix to design a good laser direct structuring (LDS) material, and the well-defined copper pattern (thickness =10 μm) was successfully fabricated through selective metallization based on 1064 nm near-infrared pulsed laser activation and electroless copper plating. We also prepared polymer composites incorporated with CuO and Cr₂O₃; however, these two polymer composites both had very poor capacity of selective metallization, which has no practical value for LDS technology. In our work, the key reasons causing the above results were systematically studied and elucidated using XPS, UV–vis–IR, optical microscopy, SEM, contact angle, ATR FTIR, and so on. The results showed that 54.0% Cu²⁺ in the polymer composite of CuO·Cr₂O₃ (the amount =5 wt %) is reduced to Cu⁰ (elemental copper) after laser activation (irradiation); however, this value is only 26.8% for the polymer composite of CuO (the amount =5 wt %). It was confirmed that to achieve a successful selective metallization after laser activation, not only was the new formed Cu⁰ (the catalytic seeds) the crucial factor, but the number of generated Cu⁰ catalytic seeds was also important. These two factors codetermined the final results of the selective metallization. The CuO·Cr₂O₃ is very suitable for applications of fabricating metallic patterns (e.g., metal decoration, circuit) on the inherent pure black or bright black polymer materials via LDS technology, which has a prospect of large-scale industrial applications.

更新日期：2017-02-28

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