Electrochemical properties of carbon nanowalls synthesized by HF-CVD

被引：59

作者：

Giorgi, L. ^{[1
]}

Makris, Th. Dikonimos ^{[1
]}

Giorgi, R. ^{[1
]}

Lisi, N. ^{[1
]}

Salernitano, E. ^{[1
]}

机构：

[1] ENEA, Casaccia Res Ctr, Dept Phys Technol & New Mat, IT-00123 Rome, Italy

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2007年 / 126卷 / 01期

关键词：

carbon nanowalls; platinum electrodeposition; methanol oxidation; electrocatalysis;

D O I：

10.1016/j.snb.2006.11.018

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Carbon nanowalls are grown on silicon substrates through bias assisted Hot Filament Chemical Vapour Deposition (HF-CVD). Different morphology and density are obtained varying the process parameters. Platinum nanoparticles are electrodeposited on nanowalls by galvanostatic polarization to test the effectiveness of their use as electrocatalyst substrates. The electrochemical active surface is determined by cyclic voltammetry and the electrocatalytic activity is tested by measuring the methanol oxidation. A comparison between carbon powder and carbon nanowalls substrates is per-formed. A correlation between the morphology and electrocatalytic performance of platinum is found. (C) 2006 Elsevier B.V. All rights reserved.

引用

页码：144 / 152

页数：9

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