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Currently, the precise control of the architecture and surface of functional materials for high-performance still remains a great challenge. Here, a feasible approach is presented to synchronously manipulate mesoporous surface and dimensionality of SnO 2 catalysts into hierarchically mesoporous nanosheets and nanospheres within one simple reaction system. By adjustment of the hydrophobic chain length of different fluorinated surfactants, 0D SnO 2 nanospheres with average size of 165 nm, and 2D SnO 2 ulthrathin nanosheets with thickness of 22.5 nm with the distinct dimensionalities are separately obtained (one stone, two birds), both of which are well decorated with ordered mesopore arrays on their surfaces (pore size of 16 nm). The following calcination gave rise to the formation of hierarchically mesopores (5 and 16 nm, respectively) with high crystallization and improved surface area (96.8 m 2 g −1). The resultant mesoporous SnO 2 nanosheets as catalyst for CO 2 electroreduction reaction (CO 2 RR) exhibit excellent selectivity, with a high Faraday efficiency (FE) of HCOOH reaching up to 90.0% at −1.3 V and C 1 FE of 97.4% at −1.2 V versus reversible hydrogen electrode, as well as long-term stability, which is among the best performance compared to reported SnO 2 materials, thanks to the collective contributions of the unique architecture and mesoporous structure.

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Controllably Engineering Mesoporous Surface and Dimensionality of SnO₂ toward High‐Performance CO₂ Electroreduction

Wei

Wang

Jiang

et al. 2020

Adv Funct Materials

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Back matter

Abstract: In both equations ( 14) and (15) the extra ''3'' preceding the square root symbol on the right hand side numerator should be omitted.

Cited by 1 publication

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Controllably Engineering Mesoporous Surface and Dimensionality of SnO₂ toward High‐Performance CO₂ Electroreduction

Controllably Engineering Mesoporous Surface and Dimensionality of SnO₂ toward High‐Performance CO₂ Electroreduction

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Back matter

Abstract: In both equations ( 14) and (15) the extra ''3'' preceding the square root symbol on the right hand side numerator should be omitted.

Cited by 1 publication

References 1 publication

Controllably Engineering Mesoporous Surface and Dimensionality of SnO2 toward High‐Performance CO2 Electroreduction

Controllably Engineering Mesoporous Surface and Dimensionality of SnO2 toward High‐Performance CO2 Electroreduction

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Product

Resources

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Controllably Engineering Mesoporous Surface and Dimensionality of SnO₂ toward High‐Performance CO₂ Electroreduction

Controllably Engineering Mesoporous Surface and Dimensionality of SnO₂ toward High‐Performance CO₂ Electroreduction