首页|High-loading Au nanoparticles on carbon by engineering surface charge and specific surface area of substrates
High-loading Au nanoparticles on carbon by engineering surface charge and specific surface area of substrates
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Energy transition towards net-zero society calls for utilization of renewable power to drive CO2 conversion in an efficient electrochemical way.The development of a commercial CO2 electrolyzer with positive tech-eco effect calls for active and durable electrocatalysts.High-loading gold on carbon(Au/C)with reduced particle size is the prerequisite for the highly-selective and highly energy-efficient CO production in such a CO2 electrolyzer,but a scalable synthetic method is missing.With combined control of ligand,substrate and pH value,Au/C catalysts with particle size within 5 nm and metal loading of 40 wt%and 60 wt%are synthesized on low and high surface-area carbon,respectively.We also provide a thorough investigation of the effect of the ligand type,surface charge of gold nanoparticles(Au NPs)and surface area of carbon substrate on the loading limit of Au/C.
High-loadingGold nanoparticlesSurface chargeSpecific surface area of substrates
Xue Deng、Siyang Wang、Qianqian Ren、Xintong Yan、Wenbo Zhao、Jianzhong Cui、Shi Hu
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Department of Chemistry,School of Science,Tianjin Key Laboratory of Molecular Optoelectronic Science,Tianjin University,Tianjin,300072,China