Nacre-templated synthesis of highly dispersible carbon nanomeshes for layered membranes with high-flux filtration and sensing properties ACS applied materials & interfaces 2018, 10 (3), 2850-2858-成果-仿生智能材料研究组  
Nacre-templated synthesis of highly dispersible carbon nanomeshes for layered membranes with high-flux filtration and sensing properties ACS applied materials & interfaces 2018, 10 (3), 2850-2858 2018 生物质基 论文
lchaoxu 2018-10-7 890

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Marine shells not only represent a rapidly accumulating type of fishery wastes but also offer a unique sort of hybrid nanomaterials produced greenly and massively in nature. The elaborate “brick and mortar” structures of nacre enabled the synthesis of carbon nanomeshes with <1 nm thickness, hierarchical porosity, and high specific surface area through pyrolysis, in which two-dimensional (2D) organic layers served as the carbonaceous precursor and aragonite platelets as the hard template. Mineral bridges within 2D organic layers templated the formation of mesh pores of 20–70 nm. In contrast to other hydrophobic carbon nanomaterials, these carbon nanomeshes showed super dispersibility in diverse solvents and thus processability for membranes through filtration, patterning, spray-coating, and ink-writing. The carbon membranes with layered structures were capable of serving not only for high-flux filtration and continuous flow absorption but also for electrochemical and strain sensing with high sensitivity. Thus, utilization of marine shells, on one hand, relieves the environmental concern of shellfish waste, on the other hand, offers a facile, green, low-cost, and massive approach to synthesize unique carbon nanomeshes alternative to graphene nanomeshes and applicable in environmental adsorption, filtration, wearable sensors, and flexible microelectronics.

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