期刊
JOURNAL OF NANOMATERIALS
卷 2012, 期 -, 页码 -出版社
HINDAWI LTD
DOI: 10.1155/2012/502481
关键词
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资金
- National Nature Science Foundation of China [20975016, 21175014, 91027034, 21103008]
- National Grant of Basic Research Program of China [2011CB915504]
- Fundamental Research Funds for the Central Universities [2009SC1]
- Open Research Fund Program of Key Laboratory of Urban Stormwater System and Water Environment (Beijing University of Civil Engineering and Architecture), Ministry of Education
Hierarchical CdS spherical aggregates have been fabricated by an assembling strategy starting from nanoparticles, which opens a general way to obtain hierarchical spherical aggregates of different types of materials. The hierarchical CdS spherical aggregates are of high porosity and high surface area, which give rise to unique photoluminescence properties. The desirable properties we report here will spur further developments of novel dopamine photoluminescence sensors based on the high surface area hierarchical CdS spherical aggregates fabricated with our unique assembling strategy. The novel dopamine photoluminescence sensor has a low detection limit of 1.0 x 10(-8) M, which is much lower than those reported previously.
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