Ti3+-Promoted High Oxygen-Reduction Activity of Pd Nanodots Supported by   Black Titania Nanobelts

doi:10.1021/acsami.6b07062

CORC > 北京大学 > 化学与分子工程学院

	Ti3+-Promoted High Oxygen-Reduction Activity of Pd Nanodots Supported by Black Titania Nanobelts
	Yuan, Xiaotao ; Wang, Xin ; Liu, Xiangye ; Ge, Hongxin ; Yin, Guoheng ; Dong, Chenlong ; Huang, Fuqiang
刊名	ACS APPLIED MATERIALS & INTERFACES
	2016
关键词	black titania nanobelts charge transfer oxygen reduction reaction Pd nanodots strong metal-support interaction (SMSI) HYDROGENATED TIO2 PHOTOCATALYTIC ACTIVITY VISIBLE-LIGHT CATALYST NANOCRYSTALS SURFACES NANOPARTICLES ELECTRODE DIOXIDE METALS
DOI	10.1021/acsami.6b07062
英文摘要	One-dimensional nanocrystals favoring efficient charge transfer have attracted enormous attentions, and conductive nanobelts of black titania with a unique band structure and high electrical conductivity would be interestingly used in electrocatalysis. Here, Pd nanodots supported by two kinds of black titania, the oxygen-deficient titania (TiO2-x) and nitrogen-doped titania (TiO2-x:N), were synthesized as efficient composite catalysts for oxygen-reduction reaction (ORR). These composite catalysts show improved catalytic activity with lower overpotential and higher limited current, compared to the Pd nanodots supported on the white titania (Pd/TiO2). The improved activity is attributed to the relatively high conductivity of black titania nanobelts for efficient charge transfer (CT) between Ti3+ species and Pd nanodots. The CT process enhances the strong metal-support interaction (SMSI) between Pd and TiO2, which lowers the absorption energy of O-2 on Pd and makes it more suitable for oxygen reduction. Because of the stronger interaction between Pd and support, the Pd/TiO2-x:N also shows excellent durability and immunity to methanol poisoning.; National Key Research and Development Program of China [2016YFB0901600]; NSF of China [61376056, 51402335, 11404358]; National Program of China [2016YFB0901600]; Science and Technology Commission of Shanghai [13JC1405700, 14520722000]; SCI(E); PubMed; ARTICLE; huangfq@pku.edu.cn; 41; 27654-27660; 8
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/492773]
专题	化学与分子工程学院
推荐引用方式 GB/T 7714	Yuan, Xiaotao,Wang, Xin,Liu, Xiangye,et al. Ti3+-Promoted High Oxygen-Reduction Activity of Pd Nanodots Supported by Black Titania Nanobelts[J]. ACS APPLIED MATERIALS & INTERFACES,2016.
APA	Yuan, Xiaotao.,Wang, Xin.,Liu, Xiangye.,Ge, Hongxin.,Yin, Guoheng.,...&Huang, Fuqiang.(2016).Ti3+-Promoted High Oxygen-Reduction Activity of Pd Nanodots Supported by Black Titania Nanobelts.ACS APPLIED MATERIALS & INTERFACES.
MLA	Yuan, Xiaotao,et al."Ti3+-Promoted High Oxygen-Reduction Activity of Pd Nanodots Supported by Black Titania Nanobelts".ACS APPLIED MATERIALS & INTERFACES (2016).