Journal
CARBON
Volume 49, Issue 6, Pages 1900-1905Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2011.01.014
Keywords
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Funding
- National Natural Science Foundation of China [20676034, 20876046]
- Ministry of Education of China [309013]
- Fundamental Research Funds for the Central Universities
- Shanghai Municipal Educational Commission [08GG10]
- Shanghai Eastern Scholarship
- SIOM, Chinese Academy of Sciences [1108221-JR0]
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A soluble graphene oxide (GO) covalently functionalized with zinc phthalocyanine (PcZn), GO-PcZn, was synthesized by an amidation reaction. The formation of an amido bond between PcZn and GO has been confirmed by X-ray photoelectron and Fourier transform infrared spectroscopy. At the same level of linear extinction coefficient, GO-PcZn exhibited much larger nonlinear optical extinction coefficients and broadband optical limiting performance than GO at both 532 and 1064 nm, indicating a remarkable accumulation effect as a result of the covalent link between GO and PcZn. (C) 2011 Elsevier Ltd. All rights reserved.
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