Multigrain platinum nanowires consisting of oriented nanoparticles anchored on sulfur-doped graphene as a highly active and durable oxygen reduction electrocatalyst

Md Ariful Hoque; Fathy M. Hassan; Drew Higgins; Ja Yeon Choi; Mark Pritzker; Shanna Knights; Siyu Ye; Zhongwei Chen

doi:10.1002/adma.201404426

Multigrain platinum nanowires consisting of oriented nanoparticles anchored on sulfur-doped graphene as a highly active and durable oxygen reduction electrocatalyst

Md Ariful Hoque, Fathy M. Hassan, Drew Higgins, Ja Yeon Choi, Mark Pritzker, Shanna Knights, Siyu Ye, Zhongwei Chen

Research output: Contribution to journal › Article › peer-review

130 Citations (Scopus)

Abstract

(Graph Presented) Direct growth of multigrain platinum nanowires on sulfur-doped graphene (PtNW/SG) is reported. The growth mechanism, including Pt nanoparticle nucleation on SG, followed by nanoparticle attachment with orientation along the <111> direction is highlighted. PtNW/SG demonstrates improved Pt mass and specific activity compared with commercial catalysts toward oxygen reduction, in addition to dramatically improved stability through accelerated durability testing.

Original language	English
Pages (from-to)	1229-1234
Number of pages	6
Journal	Advanced Materials
Volume	27
Issue number	7
DOIs	https://doi.org/10.1002/adma.201404426
Publication status	Published - Feb 18 2015
Externally published	Yes

Keywords

Durability
Fuel cells
Oxygen reduction
Platinum nanowire
Sulfur-doped graphene

ASJC Scopus subject areas

General Materials Science
Mechanics of Materials
Mechanical Engineering

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10.1002/adma.201404426

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title = "Multigrain platinum nanowires consisting of oriented nanoparticles anchored on sulfur-doped graphene as a highly active and durable oxygen reduction electrocatalyst",

abstract = "(Graph Presented) Direct growth of multigrain platinum nanowires on sulfur-doped graphene (PtNW/SG) is reported. The growth mechanism, including Pt nanoparticle nucleation on SG, followed by nanoparticle attachment with orientation along the <111> direction is highlighted. PtNW/SG demonstrates improved Pt mass and specific activity compared with commercial catalysts toward oxygen reduction, in addition to dramatically improved stability through accelerated durability testing.",

keywords = "Durability, Fuel cells, Oxygen reduction, Platinum nanowire, Sulfur-doped graphene",

author = "Hoque, {Md Ariful} and Hassan, {Fathy M.} and Drew Higgins and Choi, {Ja Yeon} and Mark Pritzker and Shanna Knights and Siyu Ye and Zhongwei Chen",

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year = "2015",

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language = "English",

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T1 - Multigrain platinum nanowires consisting of oriented nanoparticles anchored on sulfur-doped graphene as a highly active and durable oxygen reduction electrocatalyst

AU - Hoque, Md Ariful

AU - Hassan, Fathy M.

AU - Higgins, Drew

AU - Choi, Ja Yeon

AU - Pritzker, Mark

AU - Knights, Shanna

AU - Ye, Siyu

AU - Chen, Zhongwei

PY - 2015/2/18

Y1 - 2015/2/18

N2 - (Graph Presented) Direct growth of multigrain platinum nanowires on sulfur-doped graphene (PtNW/SG) is reported. The growth mechanism, including Pt nanoparticle nucleation on SG, followed by nanoparticle attachment with orientation along the <111> direction is highlighted. PtNW/SG demonstrates improved Pt mass and specific activity compared with commercial catalysts toward oxygen reduction, in addition to dramatically improved stability through accelerated durability testing.

AB - (Graph Presented) Direct growth of multigrain platinum nanowires on sulfur-doped graphene (PtNW/SG) is reported. The growth mechanism, including Pt nanoparticle nucleation on SG, followed by nanoparticle attachment with orientation along the <111> direction is highlighted. PtNW/SG demonstrates improved Pt mass and specific activity compared with commercial catalysts toward oxygen reduction, in addition to dramatically improved stability through accelerated durability testing.

KW - Durability

KW - Fuel cells

KW - Oxygen reduction

KW - Platinum nanowire

KW - Sulfur-doped graphene

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JO - Advanced Materials

JF - Advanced Materials

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ER -

Multigrain platinum nanowires consisting of oriented nanoparticles anchored on sulfur-doped graphene as a highly active and durable oxygen reduction electrocatalyst

Abstract

Keywords

ASJC Scopus subject areas

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