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题名: Controllable Synthesis of 3D Ni(OH)(2) and NiO Nanowalls on Various Substrates for High-Performance Nanosensors
作者: Li, GH(李光辉); Wang, XW(王学文); Liu, L; Liu, R(刘瑞); Shen, FP(沈方平); Cui, Z(崔铮); Chen, W(陈韦); Zhang, T(张珽)
通讯作者: Zhang, T (张珽)
刊名: SMALL
发表日期: 2015
DOI: 10.1002/smll.201400830
卷: 11, 期:6, 页:9
收录类别: SCI
部门归属: 印刷电子学部
英文摘要: Large-area and uniform three-dimensional (3D) beta-Ni(OH)(2) and NiO nanowalls were synthesized on a variety of rigid and flexible substrates via a simple aqueous chemical deposition process. The beta-Ni(OH)(2) nanowalls consist of single-crystal Ni(OH)(2) nanosheets that were vertically grown on different substrates. The height, crystallinity, and morphology of the Ni(OH)(2) nanowalls can be readily modified by adjusting the reaction time and concentration of the NiCl2 solution. The synthesis mechanism of the Ni(OH)(2) nanowalls was determined through heterogeneous nucleation and subsequent oriented crystal growth. 3D NiO nanowalls were obtained by thermal decomposition of the Ni(OH)(2) nanowalls at 400 degrees C in Ar atmosphere. Highly sensitive, selective gas sensors and electrochemical sensors based on these NiO nanowalls were developed. The chemiresistive gas sensors based on the NiO nanowalls grown on ceramic substrates exhibited an excellent performance with low detection limit for formaldehyde (8 ppb) and NO2 (15 ppb). The electrochemical sensor based on the NiO nanowalls grown on an FTO glass substrate had a superior selectivity to non-enzymatic glucose with a detection limit of 200 nM.
语种: 英语
JCR小类分区: 一区
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内容类型: 期刊论文
URI标识: http://ir.sinano.ac.cn/handle/332007/3428
Appears in Collections:印刷电子学部_崔铮团队_期刊论文
纳米研究国际实验室_陈韦团队_期刊论文
纳米研究国际实验室_张珽团队_期刊论文

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Recommended Citation:
Li, GH,Wang, XW,Liu, L,et al. Controllable Synthesis of 3D Ni(OH)(2) and NiO Nanowalls on Various Substrates for High-Performance Nanosensors[J]. SMALL,2015,11(6):9.
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