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The spherical Au@Pt core–shell–satellite nanoparticles (NPs) are fabricated via a facile, efficient, and surfactant‐free method of seed‐mediated growth, and the electrocatalytic performance toward the methanol oxidation reaction (MOR) is systematically researched by cyclic voltammetry. Compared with commercial Pt/C, all the obtained Au@Pt NPs with such a core–shell–satellite structure exhibit greatly enhanced electrocatalytic activity and long‐term stability toward MOR. Among them, Au90@Pt10NPs with less loading of Pt exhibit the most significantly enhanced electrocatalytic performance with a mass activity of 1.470 A mgPt−1, approximately 13 times that of commercial Pt/C (0.111 A mgPt−1) and specific activity (1.469 mA cm−2) approximately 9 times that of commercial Pt/C (0.157 mA cm−2). Au95@Pt5NPs have the highest value of the oxidation current density (0.2615 mA cm−2), corresponding to 62.8% of its initial maximum value (0.4165 mA cm−2), showing higher stability at approximately 4000 s. Such a surfactant‐free synthesis technique of Au@Pt bimetallic NPs may be a simple method to prepare self‐supported bimetallic nanostructures, which is important to develop highly effective electrocatalysts for MORs. Spherical Au@Pt core–shell–satellite nanoparticles are successfully prepared through a simple, efficient, and surfactant‐free growth method. The uneven distribution of Pt on the Au surface exposes more active sites and a larger specific surface area. Au90@Pt10NPs exhibit significantly enhanced electrocatalytic performance with a mass activity of 1.470 A mgPt−1, approximately 13 times that of commercial Pt/C (0.111 A mgPt−1).

We report on the synthesis and self‐assembly of a new series of discotic molecules containing triphenylbenzene as the core and alkoxy side chain with varying length. It was found that compounds 3 a–c, 4 band 5 bcould form stable gels in several apolar solvents. Transmission electron microscopy (TEM) images revealed that their morphologies were very different for the different alkoxy‐substituted organogels. In toluene or hexane, 3 band 3 cresulted in both left‐ and right‐handed helical fibers, whereas 3 aresulted in straight rigid fibers; 4 band 5 bresulted in most straight fibers with a few twisted fibers. The results from FT‐IR and UV/Vis absorption spectroscopy indicated that the hydrogen bonding and π–π interactions were the main driving forces for the formation of the self‐assembled gels. Further detailed analysis of their aggregation modes were conducted by UV‐visible absorption spectra and X‐ray diffraction (XRD) measurements. Based on these findings, the influence of these peripheral alkoxy substituents on the gel formation and the aggregation mode were discussed. The special enhanced fluorescent emissions, which resulted from aggregation, were also found in the gel phase.