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该文探讨了一种基于荧光熄灭作用的钌络合物高性能溶解氧传感器的研制。敏感物质是吸附在硅胶60上的[Ru(dpp)_3][(4-Clph_4)B]_2,此络合物对氧的响应在曲线分成两段后符合Stern-Volmer方程,并且具有良好的重现性、高光学稳定性、无滞后和长寿命等特点。光极分别以高亮度蓝色发光二极管(LED)和光敏二极管为光源和检测器,集成在一个塑料模具中,在测量过程中不需消耗氧,灵敏度高、体积小,此光极可实时、在线监测溶解氧浓度。
This article explores the development of a high-performance dissolved oxygen sensor based on the quenching effect of ruthenium complex. The sensitive material is [Ru (dpp) _3] [(4-Clph_4) B] _2 adsorbed on silica gel 60. The response of this complex to oxygen follows the Stern-Volmer equation after splitting the curve and has good Reproducibility, high optical stability, no lag and long life and so on. The light pole respectively with high brightness blue light emitting diode (LED) and photodiode as the light source and detector, integrated in a plastic mold, without oxygen consumption in the measurement process, high sensitivity, small size, the light can be real-time, Online monitoring of dissolved oxygen concentration.