Steam generation from solar power using converters has attracted significant research attention in recent years as an alternative form of energy conversion from solar energy. Rationally designed photothermal converters are essential to increase the efficiency of steam generation. Here, we propose a novel colloidal type of photothermal converter based on a frustule skeleton, which is a naturally designed colloid containing through-pore structures. Several coating processes were used to provide broadband absorption, magnetic, and water-floating properties without deteriorating pore structures, through vapor deposition polymerization of polypyrrole, weak base treatment, and additional vapor deposition polymerization of polystyrene. The prepared colloidal photothermal converter showed superior efficiency for steam generation under sunlight irradiation.

中文翻译：

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黑色硅藻胶朝向高效的光热转化器，用于太阳能转化为蒸汽

近年来，使用变流器从太阳能发电产生的蒸汽作为太阳能替代能源的替代形式已引起了广泛的研究关注。合理设计的光热转换器对于提高蒸汽产生效率至关重要。在这里，我们提出了一种基于硅壳骨架的新型胶体类型的光热转换器，它是一种天然设计的包含通孔结构的胶体。通过聚吡咯的气相沉积聚合，弱碱处理和聚苯乙烯的其他气相沉积聚合，采用了几种涂覆工艺来提供宽带吸收，磁性和水悬浮特性，而不会降低孔结构。所制备的胶体光热转化器显示出在日光照射下产生蒸汽的优异效率。