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Visible-Light-Assisted Electrocatalytic Oxidation of Methanol Using Reduced Graphene Oxide Modified Pt Nanoflowers-TiO2 Nanotube Arrays
Zhai, CY (Zhai, Chunyang); Zhu, MS (Zhu, Mingshan); Bin, D (Bin, Duan); Wang, HW (Wang, Huiwen); Du, YK (Du, Yukou); Wang, CY (Wang, Chuanyi); Yang, P (Yang, Ping)
2014
发表期刊ACS APPLIED MATERIALS & INTERFACES
卷号6期号:20页码:17753-17761
摘要

In this work, Pt nanoflowers deposited on highly ordered TiO2 nanotube arrays (TNTs) by modification of reduced graphene oxide (RGO) nanostructures have been synthesized. The ternary complex (Pt-TNTs/RGO) displays efficient electrocatalytic performance toward methanol oxidation in alkaline medium. The electrochemical impedance spectroscopy (EIS) and responsive photocurrent results indicate that the presence of graphene could effectively promote charge separation during electrocatalytic process. Interestingly, with assistance of visible light illumination, the electrocatalytic activity and stability of the ternary complex electrode toward methanol oxidation are distinctly improved. Both electro- and photo-catalytic processes for methanol oxidation contribute to the enhanced catalytic performance and stability. Moreover, the ternary electrode also displays efficient photoelectrocatalytic degradation of methylene blue (MB) under visible light illumination. The present work sheds light on developing highly efficient and long-term stability catalysts for methanol oxidation with assistance of visible-light illumination.

关键词Visible-light Electrocatalytic Oxidation Tio2 Nanotubes Graphene Pt Nanoflowers
DOI10.1021/am504263e
收录类别SCI
WOS记录号WOS:000343684200051
引用统计
被引频次:60[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/5201
专题材料物理与化学研究室
作者单位1.Soochow Univ, Coll Chem Chem Engn & Mat Sci, Suzhou 215123, Peoples R China
2.Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Xinjiang Tech Inst Phys Chem, Urumqi 830011, Peoples R China
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GB/T 7714
Zhai, CY ,Zhu, MS ,Bin, D ,et al. Visible-Light-Assisted Electrocatalytic Oxidation of Methanol Using Reduced Graphene Oxide Modified Pt Nanoflowers-TiO2 Nanotube Arrays[J]. ACS APPLIED MATERIALS & INTERFACES,2014,6(20):17753-17761.
APA Zhai, CY .,Zhu, MS .,Bin, D .,Wang, HW .,Du, YK .,...&Yang, P .(2014).Visible-Light-Assisted Electrocatalytic Oxidation of Methanol Using Reduced Graphene Oxide Modified Pt Nanoflowers-TiO2 Nanotube Arrays.ACS APPLIED MATERIALS & INTERFACES,6(20),17753-17761.
MLA Zhai, CY ,et al."Visible-Light-Assisted Electrocatalytic Oxidation of Methanol Using Reduced Graphene Oxide Modified Pt Nanoflowers-TiO2 Nanotube Arrays".ACS APPLIED MATERIALS & INTERFACES 6.20(2014):17753-17761.
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