期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 536, 期 -, 页码 71-79出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2018.10.036
关键词
Hollow nanoflowers; Ultrathin nanosheets; Oxygen evolution reaction; Electrocatalysts
资金
- National Natural Science Foundation of China [51873136]
- Suzhou Industry [SYG201636]
- project of scientific and technologic infrastructure of Suzhou [SZS201708]
- Natural Science Foundation of the Jiangsu Higher Education Institutions [16KJB150040]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
Designing cost-efficient and durable electrocatalysts toward oxygen evolution reaction (OER) has been of vital significance for the commercial development of various renewable energy systems. Herein, we report the construction of a new class of 3D hollow nanoflower catalysts that assembled by ultrathin nickel-molybdenum phosphide nanosheets. Owing to the increased electronic and ion transport channels, the heteroatom doping, and synergistic effects from the interconnected compositions, the newly-generated 3D MoNiP hollow nanoflowers display superior OER activity than that of Ir/C. And the optimized Mo1Ni1P hollow nanoflowers (Mo1Ni1P HNFs) can afford a current density of 10 mA cm(-2) at the overpotential of 275 mV in 1.0 M KOH solution. More importantly, the resultant Mo1Ni1P HNFs also display excellent stability with negligible activity and morphology decay. This work provides insights for the utilization of earth-abundant and highly efficient electrocatalysts via rationally designing the morphology of electrocatalysts. (C) 2018 Elsevier Inc. All rights reserved.
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