Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 22, Issue 5, Pages 1957-1961Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1jm14510j
Keywords
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Funding
- National Natural Science Foundation of China [50902126, 51172214]
- Shanxi Province Science Foundation for Youths [2009021027]
- Program for the Top Young Academic Leaders of Higher Learning Institutions of Shanxi
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Both luminescent carbon nanoparticles (CNPs) and carbon nanocages (CNCs) were simultaneously synthesized using laser ablation of carbon black suspension in poly(ethylene glycol). The formation of luminescent CNPs and CNCs depends on the size of carbon black and the laser power density. The optical limiting (OL) measurements of luminescent CNPs, CNCs and their mixture were performed using the open Z-scan technique at the laser wavelength of 532 nm. The mixture of luminescent CNPs and CNCs shows much stronger OL response than carbon black, luminescent CNPs and CNCs in the PEG(500N) solution. The luminescent CNPs can help to enhance the OL effects of CNC suspensions.
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