期刊
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
卷 -, 期 23, 页码 3665-3673出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.201402051
关键词
Graphitic carbon nitride; Nanostructures; Hydrothermal synthesis; Sensors; Copper(II) ions
资金
- National Natural Science Foundation of China (NSFC) [21175061, 21206060, 21375050]
- China Postdoctoral Science Foundation [2013T60506]
- Jiangsu Province [1102118C]
- Natural Science Foundation of Jiangsu Province [BK20130513]
A metal-free polymeric material, graphitic carbon nitride (g-C3N4) nanorods, has been designed for photoelectrochemical detection of copper(II) ions. The g-C3N4 nanorods have been fabricated by means of hydrothermally treated bulk g-C3N4 using NH4Cl. The crystalline structure and the core chemical skeleton of g-C3N4 do not alter after hydrothermal treatment using NH4Cl. The morphology of g-C3N4 is changed from nanosheet to nanorod after hydrothermal treatment. The g-C3N4 nanorods possess significant advantages of enhanced light absorption and charge separation, thereby resulting in an improvement in the photocurrent intensity. A photoelectrochemical sensor has been developed based on the g-C3N4 nanorods. The results show that the designed sensor has high sensitivity as well as good selectivity for Cu2+ detection. The photoelectrochemical sensor provides a promising method for monitoring metal ions and opens a new avenue for the applications of g-C3N4 nanorods.
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