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Among them, \u03c0\u2010conjugated SAMs have evolved into the dominant paradigm for the self\u2010assembled molecule design. By enhancing molecular rigidity and intermolecular interactions, most of the \u03c0\u2010conjugated SAMs can facilitate ideal molecular packing and interfacial properties to alleviate the above\u2010mentioned SAMs\u2019 issues. This review systematically categorizes the \u03c0\u2010conjugated SAMs based on their structural component, derivative moieties, functional mechanisms, and highlights the representative works along their development. 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