Liquid-Phase
Epitaxial Growth of Azapyrene-Based Chiral
Metal–Organic Framework Thin Films for Circularly Polarized
Luminescence
Posted on 2019-08-16 - 21:13
Development of chiral
metal–organic frameworks (MOFs) for
circularly polarized luminescence (CPL) is a challenging but important
task. In this work, we report a first example of azapyrene-based chiral
MOF thin films [Zn2Cam2DAP]n grown on functionalized substrates (named SURchirMOF-4) for
CPL property. By using a liquid-phase epitaxial layer-by-layer method,
the resulted SURchirMOF-4 was constructed from chiral camphoric acid
and 2,7-diazapyrene ligand, which has high orientation and homogeneity.
The circular dichroism, CPL, and enantioselective adsorption results
show that SURchirMOF-4 has strong chirality and CPL property as well
as good enantioselective adsorption toward enantiomers of methyl-lactate.
The synthesis of azapyrene-based chiral MOF thin films not only represents
an ideal model for studying the enantioselective adsorption, but also
will be a valuable approach for development of the chiral thin film
exhibiting CPL property.
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Chen, Shu-Mei; Chang, Li-Mei; Yang, Xue-Kang; Luo, Ting; Xu, Hai; Gu, Zhi-Gang; et al. (2019). Liquid-Phase
Epitaxial Growth of Azapyrene-Based Chiral
Metal–Organic Framework Thin Films for Circularly Polarized
Luminescence. ACS Publications. Collection. https://doi.org/10.1021/acsami.9b11872
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AUTHORS (7)
SC
Shu-Mei Chen
LC
Li-Mei Chang
XY
Xue-Kang Yang
TL
Ting Luo
HX
Hai Xu
ZG
Zhi-Gang Gu
JZ
Jian Zhang