Highly Emissive Perylene Diimide-Based Metallacages and Their Host–Guest Chemistry for Information Encryption,Journal of the American Chemical Society

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Highly Emissive Perylene Diimide-Based Metallacages and Their Host–Guest Chemistry for Information Encryption
Journal of the American Chemical Society ( IF 14.4 ) Pub Date : 2020-10-21 , DOI: 10.1021/jacs.0c09904
Yali Hou ₁ , Zeyuan Zhang ₁ , Shuai Lu _{2,

3} , Jun Yuan ₄ , Qiangyu Zhu ₅ , Wei-Peng Chen ₆ , Sanliang Ling ₇ , Xiaopeng Li ₂ , Yan-Zhen Zheng ₆ , Kelong Zhu ₄ , Mingming Zhang ₁

Affiliation

Here we report two highly emissive perylene diimide (PDI)-based metallacages and explore their complexation with polycyclic aromatic hydrocarbons, such as pyrene, triphenylene, and perylene. The fluorescence quantum yields of metallacages exceed 90% and their binding constants with perylene can reach as high as 2.41 × 104 M-1 in acetonitrile. These features enable further tuning of the emission of the host-guest complexes to obtain white-light emission based on the complementary orange emission of the metallacages and the blue emission of perylene. Moreover, owing to the huge differences of their quantum yields in solution and in the solid state, the host-guest complexes are successfully employed for information encryption. This study offers a general approach for the construction of emissive metallacages and explores their application for information encryption.

中文翻译：

用于信息加密的高发射苝二亚胺基金属卤化物及其主客体化学

在这里，我们报告了两种高发射性苝二酰亚胺 (PDI) 基金属卤化物，并探索它们与多环芳烃（如芘、三亚苯和苝）的络合。Metallacage的荧光量子产率超过90%，在乙腈中与苝的结合常数可高达2.41×104 M-1。这些特征能够进一步调整主客体复合物的发射，以获得基于金属笼的互补橙色发射和苝的蓝色发射的白光发射。此外，由于它们在溶液中和固态中的量子产率的巨大差异，主客体复合物成功地用于信息加密。

更新日期：2020-10-21

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