Liquid-phase growth of platinum nanoparticles on molybdenum trioxide nanosheets: an enhanced catalyst with intrinsic peroxidase-like catalytic activity

被引：86

作者：

Wang, Yixian ^{[1
,2
]}

Zhang, Xiao ^{[1
]}

Luo, Zhimin ^{[1
]}

Huang, Xiao ^{[1
]}

Tan, Chaoliang ^{[1
]}

Li, Hai ^{[1
]}

Zheng, Bing ^{[1
]}

Li, Bing ^{[3
]}

Huang, Ying ^{[1
]}

Yang, Jian ^{[1
]}

Zong, Yun ^{[3
]}

Ying, Yibin ^{[2
]}

Zhang, Hua ^{[1
]}

机构：

[1] Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, Singapore

[2] Zhejiang Univ, Coll Biosyst Engn & Food Sci, Hangzhou 310058, Zhejiang, Peoples R China

[3] ASTAR, Inst Mat Res & Engn, Singapore 117602, Singapore

来源：

NANOSCALE | 2014年 / 6卷 / 21期

基金：

新加坡国家研究基金会;

关键词：

NOBLE-METAL NANOSTRUCTURES; HYBRID NANOSTRUCTURES; EPITAXIAL-GROWTH; HIGH-PERFORMANCE; GRAPHENE OXIDE; VISIBLE-LIGHT; EXFOLIATION; HETEROSTRUCTURES; SUPERCAPACITORS; ALPHA-MOO3;

D O I：

10.1039/c4nr04115a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A facile method for the synthesis of metal nanostructure-decorated two-dimensional (2D) semiconductor nanosheets was developed. The solution-processable molybdenum trioxide (MoO3) nanosheet was used as a template for direct liquid-phase growth of platinum nanoparticles (Pt NPs) under ambient conditions. Results show that the Pt NPs with sizes of 1-3 nm were uniformly grown on the MoO3 surface. Importantly, the Pt-MoO3 hybrid nanomaterial exhibits an enhanced peroxidase-like catalytic activity compared to the MoO3 nanosheet, Pt NPs, and their physical mixture under the same conditions. As a proof-of-concept application, the Pt-MoO3 hybrid nanomaterial was used as a high-efficiency peroxidase-mimic for ultrasensitive colorimetric detection of glucose in serum samples. This work provides a promising strategy for design and development of biomimetic catalysts by smart assembly of different dimensional nanomaterials.

引用

页码：12340 / 12344

页数：5

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