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- W4386251018 abstract "Graphene monolayers have interesting applications in many fields due to their intrinsic physicochemical properties, especially when they can be postmodified with high precision. Herein, we describe the highly site-selective functionalization of freestanding graphene monolayers with platinum (Pt) clusters by bipolar electrochemistry. The deposition of such metal spots leads to catalytically active hybrid two-dimensional (2D) nanomaterials. Their catalytic functionality is illustrated by the spatially controlled decomposition of hydrogen peroxide, inducing motion at the water/air interface due to oxygen bubble evolution. A series of such 2D Janus structures with Pt deposition at predefined positions (corners and edges) is studied with respect to the generation of autonomous motion. The type and speed of motion can be fine-tuned by controlling the deposition time and location of the Pt clusters. These proof-of-principle experiments indicate that this type of hybrid 2D object opens up interesting perspectives in terms of applications, such as environmental detection or remediation." @default.
- W4386251018 created "2023-08-30" @default.
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- W4386251018 date "2023-08-29" @default.
- W4386251018 modified "2023-10-15" @default.
- W4386251018 title "Spatial Precision Tailoring the Catalytic Activity of Graphene Monolayers for Designing Janus Swimmers" @default.
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- W4386251018 doi "https://doi.org/10.1021/acs.nanolett.3c02314" @default.
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