Journal
POLYMER CHEMISTRY
Volume 4, Issue 9, Pages 2898-2906Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3py00194f
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- Academy of Finland [127329, 260486]
- Academy of Finland (AKA) [260486, 127329, 260486, 127329] Funding Source: Academy of Finland (AKA)
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Poly(azocalix[4]arene)s with varying length of lower rim substituents (n-butyl and n-dodecyl) have been evaluated in terms of photo-isomerisation behaviour and its influence on the complex formation with a low molar mass pyridinium-based guest. Irradiation induces slight changes in the cone conformation of the calix[4]arene units. This in turn affects the degree of host-guest interaction, which is decreased when the polymers are in the cis-rich state. The complexation can thus be controlled by adjusting the photostationary state of the poly(azocalix[4]arene)s.
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