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Self-Assembled Biomimetic Capsules for Self-Preservation.
Small ( IF 13.3 ) Pub Date : 2020-06-25 , DOI: 10.1002/smll.202000930
Lei Zhang 1 , Guo-Hong Tao 1 , Chun-Mei Xu 1 , Guo-Hao Zhang 1 , Ling He 1
Affiliation  

The inorganic semiconductor is an attractive material in sewage disposal and solar power generation. The main challenges associated with environment‐sensitive semiconductors are structural degradation and deactivation caused by the unfavorable environment. Here, inspired by the pomegranate, a self‐protection strategy based on the self‐assembly of silver chloride (AgCl) particles is reported. The distributed photosensitive AgCl particles can be encapsulated by themselves through mixing aqueous silver nitrate and protic ionic liquids (PILs). A probable assembling mechanism is proposed based on the electrostatic potential investigation of PILs cations. The AgCl particles inside the shell maintain their morphology and structure well after 6 months light‐treatment. Moreover, they exhibit excellent photocatalytic activity, same as newly prepared AgCl particles, for degradation of methyl orange (MO), neutral red (NR), bromocresol green (BG), rhodamine B (RhB), Congo red (CR), and crystal violet (CV).

中文翻译:

自组装仿生胶囊的自我保存。

无机半导体在污水处理和太阳能发电中是有吸引力的材料。与环境敏感的半导体相关的主要挑战是不利环境导致的结构退化和失活。在这里,受到石榴的启发,报道了一种基于氯化银(AgCl)颗粒自组装的自我保护策略。通过将硝酸银水溶液和质子离子液体(PIL)混合,可将分布的光敏AgCl颗粒自身包裹起来。基于对PILs阳离子的静电势研究,提出了一种可能的组装机理。经过6个月的光处理,壳内的AgCl颗粒保持了良好的形态和结构。此外,它们还具有出色的光催化活性,
更新日期:2020-07-24
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