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Both strong chemical activity of ionization of oxygen anions and dissociative carbon plasma, which was formed by laser ablation of graphite, were used to replace Hx  from Si-HX  and other saturate silicon dangling bonds of PS. Most of carbon particles didn¡¯t form diamond-like (DLC) film but CO2 and CO when oxygen anions and carbon plasma of particles acted simultaneously on the surface of PS. The PL intensity of PS with so treated enhances up to near 2 times compared with that of without passivation treatment. Ô­ÒâÊÇ£º¼¤¹âÏûÈÚʯīËù²úÉúµÄÓÎÀëµÄµÈÀë×ÓÌå̼ºÍµçÀëÁ˵ÄÑõÆøÒõÀë×Ó£¬ËûÃǶ¼ÓкÜÇ¿µÄ»¯Ñ§»îÐÔ¡£ÓÃËûÃÇÀ´È¡´ú¶à¿×¹è£¨PS£©ÉÏÃæSi-HX  ¼üµÄ Hx  £¬ÑõÆøÒõÀë×ÓºÍ̼µÈÀë×ÓÌåÔÚ¶à¿×¹è±íÃæÏàÓöʱ£¬¾ø´ó¶àÊý̼Àë×Ó»áÐγÉCO2 ºÍ CO¶ø²»ÊÇÀà½ð¸Õʯdiamond-like (DLC)±¡Ä¤¡£ ¾­¹ýÕâÑù´¦ÀíµÄ¶à¿×¹èµÄ¹âÖ·¢¹â£¨PL£©µÄÇ¿¶È±ÈÔµÀ´Ã»½á¹û´¦ÀíµÄ¶à¿×¹èµÄ·¢¹âÇ¿¶ÈÔö¼Ó2±¶×óÓÒ¡£ [ Last edited by ÎÅóÝÑ©Îè on 2010-5-20 at 21:25 ]

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