Fig. 3: Chemical structure and intermolecular interactions of diacetylene monomers (DA) as the base material for PDA-based colorimetric sensors. | Communications Chemistry

Fig. 3: Chemical structure and intermolecular interactions of diacetylene monomers (DA) as the base material for PDA-based colorimetric sensors.

From: Surface functionalization strategies for polydiacetylene-based colorimetric sensors

Fig. 3

a Various diacetylene (DA) monomers with different alkyl chain lengths (C16 – C25) serve as precursors for PDA-based colorimetric sensors. b Key molecular interactions within PDA assemblies include hydrogen bonds, dispersion forces, and π-π interactions. Adapted with permission from ref. 76, copyright (Elsevier B.V., 2021).

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