ZnO quantum dots engrafted graphene oxide thin film electrode for low level detection of ethyl acetate

被引：22
|
作者：
Ameen, Sadia [1 ]
Akhtar, M. Shaheer [2 ]
Seo, Hyung-Kee [1 ]
Shin, Hyung Shik [1 ]
机构：
[1] Chonbuk Natl Univ, Sch Chem Engn, Solar Energy Res Ctr, Energy Mat & Surface Sci Lab, Jeonju 561756, South Korea
[2] Chonbuk Natl Univ, New & Renewable Energy Mat Dev Ctr NewREC, Jeonju, South Korea
来源：
MATERIALS LETTERS | 2014年 / 136卷
基金：
新加坡国家研究基金会;
关键词：
Graphene oxide; ZnO; Quantum dots; Surfaces; Ethyl acetate; Chemical sensor; ROOM-TEMPERATURE; FERROMAGNETIC BEHAVIOR; GAS SENSORS; GRAIN-SIZE; DOPED ZNO; NANOCOMPOSITES; NANOPARTICLES; SENSITIVITY; SHEETS; GROWTH;
D O I：
10.1016/j.matlet.2014.08.070
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Graphene oxide (GO)-ZnO quantum dots (QDs) thin film electrode was prepared by the deposition of ZnO QDs through spin coating over the surface of electrophoretic deposited (EPD) GO on FTO substrate. The interaction of ZnO QDs with GO surface was confirmed by the crystalline, structural and optical properties of GO-ZnO QDs thin film. The prepared GO-ZnO QDs thin film was utilized as working electrode in chemical sensor for the low level detection of ethyl acetate (EA). GO-ZnO QDs thin film electrode based EA chemical sensor exhibited substantially high sensitivity of similar to 16.035 mA mM(-1) cm(-2), the limit of detection (LOD) of similar to 26 mu M, limit of quantification (LOQ) of similar to 80 mu M with correlation coefficient (R) of similar to 0.97879. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：379 / 383
页数：5
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