ja5b07415_si_001.pdf (1.65 MB)
Molecular Recognition with Microporous Multilayer Films Prepared by Layer-by-Layer Assembly of Pillar[5]arenes
journal contribution
posted on 2015-09-02, 00:00 authored by Tomoki Ogoshi, Shu Takashima, Tada-aki YamagishiPillar[5]arene-based
multilayer films are constructed by layer-by-layer
assembly with consecutive adsorption of cationic and anionic pillar[5]arenes.
The films have active pores that allow shape-selective uptake of dinitrobenzene
isomers: the film adsorbs para-dinitrobenzene, but
not ortho- and meta-dinitrobenzene.
The ability of the film to adsorb para-dinitrobenzene
is result of the surface electrostatic potential: para-dinitrobenzene adsorbs on films with a positive surface, but not
on films with a negative surface. The adsorbed amount of para-dinitrobenzene exponentially increases with increasing number of
deposited layers.