Citation: Yue Hua CHEN, Bao Fang JIN, Ping WANG, Guo Lin GUO. INFLUENCE OF DOPING COMPONENT ON THE SOL-GEL PROCESS[J]. Chinese Chemical Letters, ;1995, 6(6): 527-530. shu

INFLUENCE OF DOPING COMPONENT ON THE SOL-GEL PROCESS

Department of Chemistry, Institute of Physical Chemistry, Peking University, Beijing 100871

Received Date: 3 June 1994

²⁹Si and ⁷Li NMR have been used to study the sol-gel process.It has been found that the doping components (such as TlNO₃, LiNO₂, and Cd(NO₃)₂) could promote the hydrolysis and condensation reactions and their ratio, thus they could influence the gelation time.The lithium species has been demonstrated to remain as free hydration ions during the whole sol-gel process and not to participate in forming the inorganic network.
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