Cutting sp2clusters in graphene sheets into colloidal graphene quantum dots with strong green fluorescence

Dengyu Pan; Lei Guo; Jingchun Zhang; Chen Xi; Qi Xue; He Huang; Jinghui Li; Zongwen Zhang; Weijun Yu; Zhiwen Chen; Zhen Li; Minghong Wu

doi:10.1039/C2JM16005F

Cutting sp²clusters in graphene sheets into colloidal graphenequantum dots with strong green fluorescence

Dengyu Pan,*^a Lei Guo,^a Jingchun Zhang,^b Chen Xi,^a Qi Xue,^a He Huang,^b Jinghui Li,^a Zongwen Zhang,^a Weijun Yu,^c Zhiwen Chen,^b Zhen Li^b and Minghong Wu*^b

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* Corresponding authors

^a Institute of Nanochemistry and Nanobiology, Shanghai University, Shanghai, P.R. China
E-mail: dypan617@shu.edu.cn

^b Shanghai Applied Radiation Institute, Shanghai University, Shanghai, P.R. China
E-mail: mhwu@staff.shu.edu.cn

^c Microstructures of Shanghai University, Shanghai University, Shanghai, P.R. China

Abstract

Water-soluble and well-crystallized graphene quantum dots with lateral size about 3.0 nm were fabricated by a hydrothermal cutting method and their photoluminescence (PL) properties as well as the potential for bioimaging were demonstrated.

Journal of Materials Chemistry

Cutting sp²clusters in graphene sheets into colloidal graphenequantum dots with strong green fluorescence

Abstract

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Cutting sp²clusters in graphene sheets into colloidal graphene quantum dots with strong green fluorescence

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Journal of Materials Chemistry