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利用芘单体的荧光发射作为探针，研究了它在SiO2凝胶形成及其后的热处理过程中的微观化学环境变化结果较好地说明了有机光学活性物质在无机基质中猝灭浓度和热稳定性提高的原因
Fluorescence emission of pyrene monomer was used as a probe to investigate the microscopic chemical changes of the pyrene monomer during the formation of SiO2 gel and its subsequent heat treatment. The result shows that the quenching concentration and heat of the organic optical active in inorganic matrix The reason for the increased stability