Journal
INORGANIC CHEMISTRY
Volume 58, Issue 22, Pages 15433-15442Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.inorgchem.9b02524
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Funding
- National Natural Science Foundation of China [51873136]
- Postgraduate Research & Practice Innovation Program of Jiangsu Province [KYCX18_2499]
- project of scientific and technologic infrastructure of Suzhou [SZS201708]
- [SYG201636]
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The research on exploring advanced electrocatalysts that coupled with structural coherence and fast mass/electron transport characteristics, and maximized electrocatalytic redox activity is extremely urgent for the oxygen evolution reaction (OER), a key process for water dissociation, but it still challenging. Herein, we demonstrate a templated-engaged strategy for the fabrication of highly open and defect-rich Mn-doped Cu(OH)(2) hexagonal nanorings (denoted as Mn-doped Cu(OH)(2) HNs) by employing Mn(OH)(2) hexagonal nanoplates as a sacrificial template. As a result of the successful doping of Mn into Cu(OH)(2), the as-prepared Mn-doped Cu(OH)(2) HNs possess rich defects and a modified electronic structure, which contribute to the exceptional property as a catalyst for OER electrocatalysis. More importantly, by coupling nickel foam (NF) supported Mn-doped Cu(OH)(2) HNs as the anode electrode, NFs supported Pt/C as cathode electrode, a potential of only 1.62 V is needed to drive the water electrolysis to reach the current density of 10 mA cm(-2), comparable to the commercial IrO2//Pt/C couple.
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