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首页> 外文期刊>RSC Advances >Lifetime-ultra-prolonged luminescent multilayer thin films with electronic microenvironment
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Lifetime-ultra-prolonged luminescent multilayer thin films with electronic microenvironment

机译：具有电子微环境的使用寿命超长的发光多层薄膜

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摘要

In this report, luminescent multilayer thin films (MTFs) based on functional molecules intercalated into layered double hydroxides (LDHs) and montmorillonite (MMT) nanosheets were fabricated by layer-by-layer assembly method (LBL method). Exfoliated LDHs and MMT nanosheets with opposite charges can be expected to provide an electronic microenvironment (EME) for chromophores, which are not found in previous literatures, and to offer the inorganic rigid building blocks at the same time. Surprisingly, the lifetimes of MTFs with EME's architecture are significantly prolonged, compared with that of the pristine powder, even considerably longer than those of the MTFs without EME's architecture. Therefore, it is highly expected that the EME formed by oppositely-charged inorganic nanosheets has remarkable influence on enhancing the lifetimes of chromophores, which suggests a new potential method to develop novel light-emitting materials and optical devices.
机译：在此报告中，通过层状组装方法（LBL方法）制造了基于插入到层状双氢氧化物（LDHs）和蒙脱土（MMT）纳米片中的功能分子的发光多层薄膜（MTF）。带有相反电荷的剥落的LDH和MMT纳米片有望为发色团提供电子微环境（EME），这在以前的文献中没有发现，并且同时提供了无机刚性结构单元。令人惊讶的是，与原始粉末相比，具有EME体系结构的MTF的寿命大大延长，甚至比没有EME体系结构的MTF的寿命更长。因此，高度期望由带相反电荷的无机纳米片形成的EME对提高生色团的寿命具有显着影响，这为开发新颖的发光材料和光学器件提供了新的潜在方法。

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