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典型文献
Deep eutectic solvent strategy enables an octahedral Ni-Co precursor for creating high-performance NiCo2O4 catalyst toward oxygen evolution reaction
文献摘要:
Deep eutectic solvents(DESs)have gained much attention in the fabrication of advanced nanoelectrocatalysts due to their amazing template function.However,their stabilizing function for easily hydrolyzed inorganic nanomaterials is rarely studied.Here,a DES-mediated strategy was reported to synthesize octahedral Ni-Co precursor(NiCo-NH3 complex),which could be directly transformed into NiCo2O4 nanooctahedrons after thermal decomposition.The NiCo-NH3 precursor in octahedral shape was achieved with the DES-mediated crystallization in the choline chloride(ChCl)/glycerol.The ChCl/glycerol DES not only tailored the morphology of the as-prepared precursor by template effect but also inhibited its hydrolysis,ensuring the successful fabrication of octahedral NiCo-NH3 complex precursor with high yield.The NiCo-NH3 complex precursor was converted to well-defined NiCo2O4 nanooctahedrons,where the calcination temperature and time were explored in detail.It revealed that DES could participate in the conversion process to control the morphology of calcination product.The resultant NiCo2O4 nanooctahedrons demonstrated excellent electroactivity and remarkable durability for oxygen evolution reaction(OER).The present strategy not only offers an efficient OER electrocatalyst but also enriches the approaches of DESs in designing advanced nanocatalysts.
文献关键词:
作者姓名:
Chenyun Zhang;Bingwei Xin;Tingting Chen;Hao Ying;Zhonghao Li;Jingcheng Hao
作者机构:
Key Laboratory of Colloid and Interface Chemistry,Ministry of Education,Shandong University,Jinan,250100,China;College of Chemistry and Chemical Engineering,Dezhou University,Dezhou,253023,China
引用格式:
[1]Chenyun Zhang;Bingwei Xin;Tingting Chen;Hao Ying;Zhonghao Li;Jingcheng Hao-.Deep eutectic solvent strategy enables an octahedral Ni-Co precursor for creating high-performance NiCo2O4 catalyst toward oxygen evolution reaction)[J].绿色能源与环境(英文),2022(06):1217-1227
A类:
nanoelectrocatalysts,nanooctahedrons
B类:
Deep,eutectic,strategy,enables,octahedral,precursor,creating,high,performance,NiCo2O4,toward,oxygen,evolution,reaction,solvents,DESs,have,gained,much,attention,fabrication,advanced,due,their,amazing,template,function,However,stabilizing,easily,hydrolyzed,inorganic,nanomaterials,rarely,studied,Here,mediated,was,reported,synthesize,NH3,complex,which,could,be,directly,transformed,into,after,thermal,decomposition,shape,achieved,crystallization,choline,chloride,ChCl,glycerol,not,only,tailored,morphology,prepared,by,effect,but,also,inhibited,its,hydrolysis,ensuring,successful,yield,converted,well,defined,where,calcination,temperature,were,explored,detail,It,revealed,that,participate,conversion,process,control,product,resultant,demonstrated,excellent,electroactivity,remarkable,durability,OER,present,offers,efficient,enriches,approaches,designing,nanocatalysts
AB值:
0.541559
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