Facile One-Pot, One-Step Synthesis of a Carbon Nanoarchitecture for an Advanced Multifunctonal Electrocatalyst†
Dr. Zhenhai Wen
Department of Mechanical Engineering, University of Wisconsin-Milwaukee, 3200 North Cramer Street, Milwaukee, WI 53211 (USA)
These authors contributed equally.
Search for more papers by this authorDr. Suqin Ci
Department of Mechanical Engineering, University of Wisconsin-Milwaukee, 3200 North Cramer Street, Milwaukee, WI 53211 (USA)
These authors contributed equally.
Search for more papers by this authorDr. Yang Hou
Department of Mechanical Engineering, University of Wisconsin-Milwaukee, 3200 North Cramer Street, Milwaukee, WI 53211 (USA)
Search for more papers by this authorCorresponding Author
Prof. Junhong Chen
Department of Mechanical Engineering, University of Wisconsin-Milwaukee, 3200 North Cramer Street, Milwaukee, WI 53211 (USA)
Department of Mechanical Engineering, University of Wisconsin-Milwaukee, 3200 North Cramer Street, Milwaukee, WI 53211 (USA)Search for more papers by this authorDr. Zhenhai Wen
Department of Mechanical Engineering, University of Wisconsin-Milwaukee, 3200 North Cramer Street, Milwaukee, WI 53211 (USA)
These authors contributed equally.
Search for more papers by this authorDr. Suqin Ci
Department of Mechanical Engineering, University of Wisconsin-Milwaukee, 3200 North Cramer Street, Milwaukee, WI 53211 (USA)
These authors contributed equally.
Search for more papers by this authorDr. Yang Hou
Department of Mechanical Engineering, University of Wisconsin-Milwaukee, 3200 North Cramer Street, Milwaukee, WI 53211 (USA)
Search for more papers by this authorCorresponding Author
Prof. Junhong Chen
Department of Mechanical Engineering, University of Wisconsin-Milwaukee, 3200 North Cramer Street, Milwaukee, WI 53211 (USA)
Department of Mechanical Engineering, University of Wisconsin-Milwaukee, 3200 North Cramer Street, Milwaukee, WI 53211 (USA)Search for more papers by this authorThis research was financially supported by the National Natural Science Foundation of China (No. 21206068), the US National Science Foundation (CMMI-0900509), and the US Department of Energy (DE-EE0003208).
Graphical Abstract
Not ones to laze about on the lawn, nitrogen-doped graphene/carbon-nanotube (CNT) hybrids showed high electrocatalytic activity for a series of important electrochemical reactions as a result of nitrogen doping and their unique structure with the graphene nanosheets entrapped in the inner void of the CNTs. The hybrids were prepared by a facile low-cost method from solid-phase sources with high efficiency.
Abstract
A one-pot/one-step synthesis strategy was developed for the preparation of a nitrogen-doped carbon nanoarchitecture with graphene-nanosheet growth on the inner surface of carbon nanotubes (CNTs). The N-graphene/CNT hybrids exhibit outstanding electrocatalytic activity for several important electrochemical reactions as a result of their unique morphology and defect structures, such as high but uniform nitrogen doping, graphene insertion into CNTs, considerable surface area, and the presence of iron nanoparticles. The high-yield synthetic process features high efficiency, low-cost, straightforward operation, and simple equipment.
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