Chin. Phys. Lett.  1995, Vol. 12 Issue (11): 693-696    DOI:
Original Articles |
Quantum Confinement Effect of Fullerenes in Silica Aerogel
SHEN Jun;ZHU Lei1;WANG Jue;LI Yufen1;WU Xiang2
Pohl Institute of Solid State Physics, Tongji University, Shanghai 200092 1T. D. Lee Physics Laboratory, Fudan University, Shanghai 200433 2International Center for Material Physics, Academia Sinica, Shenyang 110015; Chinese Center of Advanced Science and Technology (World Laboratory), P. O. Box 8730, Beijing 100080; and Pohl Institute of Solid State Physics, Tongji University, Shanghai 200092
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SHEN Jun, ZHU Lei, WANG Jue et al  1995 Chin. Phys. Lett. 12 693-696
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Abstract Fullerenes (C60/C70) were encased in silica aerogel by sol-gel process followed by supercriticd drying technique. Visible light emission was observed from the composite under Ar+ laser (488nm) excitation at room temperature. The luminescent intensity was found to decrease whilst being red shift with the increase of the fullerene content in the composite (from 0.05 up to 2.5mol%). This can be interpreted with quantum confinement effect of fullerenes confined in networks of the nanoporous silica aerogel.
Keywords: 78.55.-m      36.40.+d     
Published: 01 November 1995
PACS:  78.55.-m (Photoluminescence, properties and materials)  
  36.40.+d  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y1995/V12/I11/0693
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