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Chemical Structure| 95972-59-1 Chemical Structure| 95972-59-1

Structure of 95972-59-1

Chemical Structure| 95972-59-1

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Chang Liu ; Zixun Yu ; Fangxin She ; Jiaxiang Chen ; Fangzhou Liu ; Jiangtao Qu , et al.

Abstract: Sustainable hydrogen peroxide can be produced via the oxygen reduction reaction catalyzed by single-atom cobalt–nitrogen–carbon catalysts. However, the precise catalyst atomic structure tailoring remains difficult, limiting the a priori design and activity improvement. We address this limitation by constructing heterogeneous molecular catalysts from cobalt porphyrins adsorbed on a carbon nanotube substrate. Based on the explicit atomistic models, our first-principle calculation suggested that porphyrin β-substituents and the carbon substrate can synergistically modulate Co properties and catalytic activity. An octafluoro-substituted catalyst was predicted as optimal and further validated by experiments, exhibiting >94% H2O2 selectivity and a high turnover frequency of 3.51 per second at an overpotential of 200 millivolts in an acid electrolyte. It can reach a maximum H2O2 productivity of 10.76 mol H2O2 gcat−1 h−1 in a two-electrode electrolyzer, delivering pure H2O2 solutions that can be used directly for water treatment and chemical production.

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Product Details of [ 95972-59-1 ]

CAS No. :95972-59-1
Formula : C4H3Br2N
M.W : 224.88
SMILES Code : BrC1=CNC=C1Br
MDL No. :MFCD03931354

Safety of [ 95972-59-1 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H319
Precautionary Statements:P305+P351+P338
 

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