IOCAS-IR  > 海洋环境腐蚀与与生物污损重点实验室
Shape-controllable ZnO nanostructures based on synchronously electrochemically reduced graphene oxide and their morphology-dependent electrochemical performance
Yang, Tao1; Chen, Meijing1; Kong, Qianqian1; Wang, Xinxing1; Guo, Xiuhong1; Li, Weihua2,3; Jiao, Kui1
2015-11-10
Source PublicationELECTROCHIMICA ACTA
Volume182Issue:2015Pages:1037-1045
SubtypeArticle
AbstractSince controlling substrates can program the electrochemical properties, many researchers have devoted to investigate the corresponding mechanism. However, up to now, the effects of substrate (such as morphology, size, material composition) on the performance of electrochemical sensors have been mainly focused on metal platform, while the investigation about metal oxide substrate has not been reported in detail. Zinc oxide (ZnO) is a technologically important semiconducting material with large band gap energy between 3.2 and 3.4 eV at room temperature which has attracted widespread attentions. In previous reports, the nanostructured ZnO was randomly formed on graphene layers. The control of morphology or size of nanostructures is a prerequisite for the nanostructure for fabricating various types of nanocomposites. Here, we used graphene oxide (GNO) as the supporting material for constructing a series of synchronously electrochemically reduced graphene oxide and zinc oxide composites (rGNO-ZnO) with different morphologies for comparing their morphology-dependent electrochemical sensing behaviors. The experimental parameters, such as the electrodeposition potential, time, and concentration of electrolyte, would influence the composite morphology and further bring different electrochemical sensing ability. Among them, rGNO-ZnO with nanowalls morphology (noted GZNWs), obtained from the conditions of 0.1 M Zn(NO3)(2) electrolyte, -1.0 V electrodeposition potential and 30 min electrodeposition time, presented an optimal ability for DNA detection and 2, 4, 6-Trinitrotoluene (TNT) electrocatalysis. The fine nanowall structure may be able to provide more accessible sites, and the synergistic effect between rGNO and ZnO may enlarge the electrochemical activity. The electrochemical DNA sensor based on GZNWs exhibited the steepest slope with the detection range, as well as the highest sensitivity when compared with other electrodeposition potentials. In order to further explore the other electrochemical performances (for instance the electrocatalysis), the GZNWs was used to detect the nitroaromatic compound (such as 2, 4, 6-Trinitrotoluene, TNT). It had reached the aim of improving the sensitivity of their detection. (C) 2015 Elsevier Ltd. All rights reserved.
KeywordGraphene Zinc Oxide Electrodeposition Dna Sensor 2 4 6-trinitrotoluene
DOI10.1016/j.electacta.2015.09.158
Indexed BySCI
Language英语
WOS IDWOS:000365075800127
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/82296
Collection海洋环境腐蚀与与生物污损重点实验室
Affiliation1.Qingdao Univ Sci & Technol, Key Lab Sensor Anal Tumor Marker, Shandong Prov Key Lab Biochem Anal, Coll Chem & Mol Engn,Educ Minist, Qingdao 266042, Peoples R China
2.Qingdao Technol Univ, Cooperat Innovat Ctr Engn Construct & Safety Shan, Qingdao 266033, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
Recommended Citation
GB/T 7714
Yang, Tao,Chen, Meijing,Kong, Qianqian,et al. Shape-controllable ZnO nanostructures based on synchronously electrochemically reduced graphene oxide and their morphology-dependent electrochemical performance[J]. ELECTROCHIMICA ACTA,2015,182(2015):1037-1045.
APA Yang, Tao.,Chen, Meijing.,Kong, Qianqian.,Wang, Xinxing.,Guo, Xiuhong.,...&Jiao, Kui.(2015).Shape-controllable ZnO nanostructures based on synchronously electrochemically reduced graphene oxide and their morphology-dependent electrochemical performance.ELECTROCHIMICA ACTA,182(2015),1037-1045.
MLA Yang, Tao,et al."Shape-controllable ZnO nanostructures based on synchronously electrochemically reduced graphene oxide and their morphology-dependent electrochemical performance".ELECTROCHIMICA ACTA 182.2015(2015):1037-1045.
Files in This Item:
File Name/Size DocType Version Access License
Shape-controllable Z(2968KB)期刊论文出版稿开放获取CC BY-NC-SAView Application Full Text
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Yang, Tao]'s Articles
[Chen, Meijing]'s Articles
[Kong, Qianqian]'s Articles
Baidu academic
Similar articles in Baidu academic
[Yang, Tao]'s Articles
[Chen, Meijing]'s Articles
[Kong, Qianqian]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Yang, Tao]'s Articles
[Chen, Meijing]'s Articles
[Kong, Qianqian]'s Articles
Terms of Use
No data!
Social Bookmark/Share
File name: Shape-controllable ZnO nanostructures based on synchronously electrochemically reduced graphene oxide and their morphology-dependent electrochemical performance.pdf
Format: Adobe PDF
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.