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Summary: A series of self‐assembled photosensitive ultra‐thin films have been fabricated from poly(4‐diazonium styrene) (PDS) via different driving forces, mainly by electrostatic and H‐bonding interaction. Under exposure of UV light, the weak ionic and H‐bonds between the layers of the film will be converted to covalent bonds through a photoreaction. Thus, the stability of the film towards polar solvents is reinforced greatly. UV‐vis spectra of the PDS‐MPR film with different bilayers. image UV‐vis spectra of the PDS‐MPR film with different bilayers.
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Yang et al. (2004) studied this question.
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