双金属片
材料科学
X射线吸收光谱法
密度泛函理论
催化作用
部分
洋葱
吸收光谱法
吸附
光化学
无机化学
金属
物理化学
化学
立体化学
有机化学
计算化学
物理
冶金
量子力学
作者
Zhiyi Sun,Chen Li,Zihao Wei,Fang Zhang,Ziwei Deng,Kang Zhou,Yong Wang,Huazhang Zhai,Jiayi Yang,Zheng Xiang,Peijie Ma,Huazhang Zhai,Shenghua Li,Wenxing Chen
标识
DOI:10.1002/adma.202404665
摘要
Double-atom catalysts (DACs) with asymmetric coordination are crucial for enhancing the benefits of electrochemical carbon dioxide reduction and advancing sustainable development, however, the rational design of DACs is still challenging. Herein, this work synthesizes atomically dispersed catalysts with novel sulfur-bridged Cu-S-Ni sites (named Cu-S-Ni/SNC), utilizing biomass wool keratin as precursor. The plentiful disulfide bonds in wool keratin overcome the limitations of traditional gas-phase S ligand etching process and enable the one-step formation of S-bridged sites. X-ray absorption spectroscopy (XAS) confirms the existence of bimetallic sites with N
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