Photo-Induced Self-Assembly of Silver Nanoparticles for Rapid Generation of First and Second Surface Mirrors,ACS Applied Nano Materials

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Photo-Induced Self-Assembly of Silver Nanoparticles for Rapid Generation of First and Second Surface Mirrors
ACS Applied Nano Materials ( IF 5.3 ) Pub Date : 2020-06-16 , DOI: 10.1021/acsanm.0c01010
Etienne Caillosse _{1,

2} , Mohamed Zaier ₂ , Mariam Mezghani ₂ , Samar Hajjar-Garreau ₂ , Loïc Vidal ₂ , Daniel Lougnot ₃ , Lavinia Balan _{1,

2}

Affiliation

Interesting mirror-like, highly reflective, and conductive silver films have been successfully generated directly on a glass slide using a simple and fast photoinduced approach. A water-based photosensitive formulation containing the silver precursor and a photogenerator of free radicals was used. It was applied like paint and exposed to UV light for a few seconds, in the absence of any additional reducing agents and without further treatment of any kind. This approach allowed ultrathin films of silver nanoparticles to be generated in situ (AgNPs) on the back side of the glass substrate. The particles are homogeneously autoassembled onto the glass surface and the glass/silver diopter exhibits a high reflective character. With such an experimental arrangement, reflective surfaces are obtained: in contact with the glass slide, which is called the second surface mirror, and on the air side, which is called the first surface mirror. Quite interestingly, these reflective and conductive thin films exhibit strong natural adhesion on the glass substrate without the need for enhancing treatments (sensitization or activation) to improve the adhesion of the silver layer to the glass, as usual with silver glass mirrors. The influence of several chemical and photonic parameters has been examined in order to optimize the final optical and electrical properties of these silver films.

中文翻译：

光诱导银纳米粒子的自组装，可快速生成第一和第二表面镜。

有趣的镜子状，高反射性和导电性银膜已使用简单，快速的光诱导方法成功地直接在载玻片上生成。使用包含银前体和自由基的光发生剂的水基光敏制剂。它像油漆一样应用，并在没有任何其他还原剂且没有任何进一步处理的情况下，暴露于紫外线下几秒钟。这种方法允许在玻璃基板的背面原位生成银纳米颗粒的超薄膜（AgNPs）。颗粒被均匀地自动组装到玻璃表面上，并且玻璃/银色屈光度表现出高反射特性。通过这种实验装置，可以获得反射面：与载玻片接触，称为第二表面镜，在空气侧称为第一表面镜。有趣的是，这些反射和导电薄膜在玻璃基板上表现出很强的自然粘合性，而无需像银玻璃镜那样进行增强处理（敏化或活化）以改善银层对玻璃的粘合性。为了优化这些银膜的最终光学和电学性质，已经研究了几种化学和光子参数的影响。这些反射性和导电性薄膜在玻璃基板上表现出很强的自然粘合性，而无需像银玻璃镜那样进行增强处理（敏化或活化）以改善银层对玻璃的粘合性。为了优化这些银膜的最终光学和电学性质，已经研究了几种化学和光子参数的影响。这些反射性和导电性薄膜在玻璃基板上表现出很强的自然粘合性，而无需像银玻璃镜那样进行增强处理（敏化或活化）以改善银层对玻璃的粘合性。为了优化这些银膜的最终光学和电学性质，已经研究了几种化学和光子参数的影响。

更新日期：2020-07-24

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