Facet and dimensionality control of Pt nanostructures for efficient   oxygen reduction and methanol oxidation electrocatalysts

doi:10.1007/s12274-016-1170-2

CORC > 北京大学 > 工学院

	Facet and dimensionality control of Pt nanostructures for efficient oxygen reduction and methanol oxidation electrocatalysts
	Bu, Lingzheng ; Feng, Yonggang ; Yao, Jianlin ; Guo, Shaojun ; Guo, Jun ; Huang, Xiaoqing
刊名	NANO RESEARCH
	2016
关键词	platinum nanowires octahedra {111} facet oxygen reduction reaction methanol oxidation reaction HIGH-YIELD SYNTHESIS HIGH-INDEX FACETS PLATINUM NANOCRYSTALS NANOPARTICLES NANOWIRES CATALYSTS PD ALLOY ULTRATHIN NANORODS
DOI	10.1007/s12274-016-1170-2
英文摘要	The control of the size, composition, and shape of platinum nanocrystals has attracted much attention recently, mostly due to their unique properties and related catalytic functionalities. However, the realization of platinum nanocrystals with controlled exposed facets and dimensionality remains a significant challenge. Herein, we show an efficient synthetic strategy to selectively prepare highly controllable platinum nanocrystals with distinct dimensionalities from onedimensional nanowires to zero-dimensional octahedra. Although the synthesis of platinum nanowires has been reported multiple times, the synthetic approach reported herein is much more novel and robust and ultimately results in high yields of high-quality platinum nanowires. Such dimensionality tuning on {111} facet dominated platinum nanocrystals allows us to firstly investigate the effect of the number of edges/corners on the electrocatalytic properties. Our results show that the synthesized platinum nanocrystals exhibit very interesting dimensionality-dependent electrocatalytic activity towards both the oxygen reduction reaction (ORR) and methanol oxidation reaction (MOR), in which one-dimensional platinum nanowires with minimized edges/corners show enhanced electrocatalytic activities with respect to zero-dimensional platinum octahedra. Our dimensionality tuning also provides Pt nanowires with superior durability for the oxygen reduction reaction with negligible activity decay over the course of 30,000 potential sweeps. The present work highlights that the {111} facet bound platinum nanowires with minimized edges/corners are indeed promising candidates as electrocatalysts with excellent activity and superior durability.; Soochow University; Peking University; Thousand Youth Talent Program; National Natural Science Foundation of China [21571135]; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD); SCI(E); EI; ARTICLE; jlyao@suda.edu.cn; hxq006@suda.edu.cn; 9; 2811-2821; 9
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/448036]
专题	工学院
推荐引用方式 GB/T 7714	Bu, Lingzheng,Feng, Yonggang,Yao, Jianlin,et al. Facet and dimensionality control of Pt nanostructures for efficient oxygen reduction and methanol oxidation electrocatalysts[J]. NANO RESEARCH,2016.
APA	Bu, Lingzheng,Feng, Yonggang,Yao, Jianlin,Guo, Shaojun,Guo, Jun,&Huang, Xiaoqing.(2016).Facet and dimensionality control of Pt nanostructures for efficient oxygen reduction and methanol oxidation electrocatalysts.NANO RESEARCH.
MLA	Bu, Lingzheng,et al."Facet and dimensionality control of Pt nanostructures for efficient oxygen reduction and methanol oxidation electrocatalysts".NANO RESEARCH (2016).