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In the study of structure–property relationships for rational materials design, hollow multishell structures (HoMSs) have attracted tremendous attention owing to the optimal balance between mass transfer and surface exposure. Considering the shell structure can significantly affect the properties of HoMSs, in this paper, we provide a novel one‐step strategy to continually regulate the shell structures of HoMSs. Through a simple phosphorization process, we can effectively modify the shell from solid to bubble‐like and even duplicate the shells with a narrow spacing. Benefitting from the structure merits, the fabricated CoP HoMSs with close duplicated shells can promote gas release owing to the unbalanced Laplace pressure, while accelerating liquid transfer for enhanced capillary force. It can provide effective channels for water and gas and thus exhibits a superior electrocatalytic performance in the hydrogen and oxygen evolution reaction. [ABSTRACT FROM AUTHOR]

Inside Cover: Delicate Control on the Shell Structure of Hollow Spheres Enables Tunable Mass Transport in Water Splitting (Angew. Keywords: duplicate shells; hollow structures; mass transport; multi-shell structures; water splitting EN duplicate shells hollow structures mass transport multi-shell structures water splitting 6830 6830 1 03/19/21 20210322 NES 210322 B Delicate control b of the shell structure of hollow spheres leads to enhanced mass transport, as described by Dan Wang and co-workers in their Research Article on page 6926. Duplicate shells, hollow structures, mass transport, multi-shell structures, water splitting. [Extracted from the article]

Innentitelbild: Delicate Control on the Shell Structure of Hollow Spheres Enables Tunable Mass Transport in Water Splitting (Angew. Keywords: duplicate shells; hollow structures; mass transport; multi-shell structures; water splitting EN duplicate shells hollow structures mass transport multi-shell structures water splitting 6906 6906 1 03/23/21 20210322 NES 210322 B Die gezielte Steuerung b der Schalenstruktur von Hohlkugeln führt zu einem verbesserten Stofftransport, wie Dan Wang und Mitarbeiter in ihrem Forschungsartikel auf S. 7002 beschreiben. Duplicate shells, hollow structures, mass transport, multi-shell structures, water splitting. [Extracted from the article]