Characteristics of Hydrogen Sensor Based on Monolayer of Pt Nanoparticles Decorated on Single-Layer Graphene

被引：5

作者：

Nguyen Hai Ha ^{[1
]}

Cung Thanh Long ^{[1
]}

Nguyen Hoang Nam ^{[1
]}

Nguyen Thi Hue ^{[1
]}

Nguyen Huy Phuong ^{[1
]}

Hoang Si Hong ^{[1
]}

机构：

[1] Hanoi Univ Sci & Technol, Sch Elect Engn, 1 Dai Co Viet Rd, Hanoi, Vietnam

来源：

JOURNAL OF ELECTRONIC MATERIALS | 2017年 / 46卷 / 06期

关键词：

Pt nanoparticles; single-layer graphene; H-2; sensor; fast response; thermal stability; safety applications; PD; OXIDE;

D O I：

10.1007/s11664-016-5214-x

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We report the construction and testing of a resistive-type H-2 sensor composed of a monolayer of platinum nanoparticles (Pt NPs) deposited using an immersion method on single-layer graphene. It was found that the Pt NP monolayer significantly reduced the response/recovery time of the graphene-based H-2 sensor. The very rapid response of the sensor is attributed to the short diffusion length between the monolayer Pt nanoparticles and single-layer graphene. The sensor showed response time of 6 s and recovery time of 69 s at the optimal working temperature of 150A degrees C. In addition, the fabricated device exhibited good repeatability at 10,000 ppm H-2, detection range of 10 ppm to 10,000 ppm, and good thermal stability, satisfying the requirements for H-2 sensors for safety applications.

引用

页码：3353 / 3358

页数：6

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