Palladium Nanostructures Synthesis by Sputtering Deposition on HOPG Surfaces

被引：4

作者：

Arroyo-Ramirez, L. ^{[1
,2
,3
]}

Figueroa, Y. ^{[4
]}

Rodriguez, D. ^{[4
]}

Otano, W. ^{[2
,3
,4
]}

Cabrera, C. R. ^{[1
,2
,3
]}

机构：

[1] Univ Puerto Rico, Dept Chem, San Juan, PR 00936 USA

[2] Univ Puerto Rico, Ctr Adv Nanoscale Mat, San Juan, PR 00936 USA

[3] Univ Puerto Rico, Inst Funct Nanomat, San Juan, PR 00931 USA

[4] Univ Puerto Rico, Dept Math Phys, Cayey, PR 00736 USA

来源：

NANOTECHNOLOGY (GENERAL) - 217TH ECS MEETING | 2010年 / 28卷 / 07期

关键词：

METHANOL FUEL-CELLS; REDUCTION;

D O I：

10.1149/1.3491767

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The synthesis of palladium thin films and shell nanostructures by dc-magnetron sputtering deposition on highly ordered pyrolytic graphite (HOPG) surfaces is described. Electrospun polymer fibers mats were used as templates for the Pd shell nanostructures formation. The morphology was characterized with atomic force microscopy (AFM) and scanning electron microscopy (SEM). Pd nanostructures were used as catalysts for oxygen reduction reaction (ORR). The ORR activity was evaluated in sulfuric acid and the methanol tolerance in 1 M methanol solutions saturated with oxygen. The Pd shell nanostructures have better ORR activity than Pd thin films.

引用

页码：1 / 7

页数：7

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