Water soluble carbon nanoparticles: hydrothermal synthesis and excellent photoluminescence properties |
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| Authors: | He Xiaodie Li Haitao Liu Yang Huang Hui Kang Zhenhui Lee Shuit-Tong |
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| Institution: | Institute of Functional Nano & Soft Materials and Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, Jiangsu, China. |
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| Abstract: | Water-soluble carbon nanoparticles (CNPs) were fabricated by a facile, one step hydrothermal synthetic route using acid/alkali as additives. These CNPs emit bright photoluminescence (PL) covering the entire visible-near infrared (NIR) spectral range. PL measurements confirmed that the CNPs have up-conversion of PL properties, and that the NIR PL of the CNPs can also be observed by NIR excitation. Control experiments indicated that different additives can strongly affect the PL properties of the CNPs. With a combination of free dispersion in water and attractive PL properties, these CNPs hold promise for applications in nanotechnology. |
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