期刊
ADVANCED FUNCTIONAL MATERIALS
卷 24, 期 20, 页码 3021-3026出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.201303441
关键词
graphene quantum dots; 3D graphene; optical sensors
类别
资金
- Singapore Ministry of Education under the AcRF Tier 2 grant [MOE2011-T2-2-010]
Owing to their small size, biocompatibility, unique and tunable photoluminescence, and physicochemical properties, graphene quantum dots (GQDs) are an emerging class of zero-dimensional materials promising a wide spectrum of novel applications in bio-imaging, optical, and electrochemical sensors, energy devices, and so forth. Their widespread use, however, is largely limited by the current lack of high yield synthesis methods of high-quality GQDs. In this contribution, a facile method to electrochemically exfoliate GQDs from three-dimensional graphene grown by chemical vapor deposition (CVD) is reported. Furthermore, the use of such GQDs for sensitive and specific detection of ferric ions is demonstrated.
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