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中文摘要：
合成了钌（II）配合物cis-[Ru（HL）（Hdcbpy）（NCS）2]-·[N（C4H9）4]＋（HL=2-（9-乙基-9H-3-咔唑基）-1H-咪唑[4,5-f][1,10]邻菲啰啉,H2dcbpy=4,4＇-二羧酸-2,2＇-联吡啶）.采用元素分析、核磁共振氢谱、红外光谱、紫外-可见吸收光谱、质谱（MS）对配合物进行了表征.通过紫外-可见吸收光谱和稳态荧光光谱,研究了该配合物的基态和激发态酸碱性质.结果表明该配合物在基态时能发生5步质子化/去质子化反应,表现出基于光致发光强度和激发态能量转移途径的质子化/去质子化诱导的分子开关性质.
英文摘要：
A novel ruthenium complex of cis-Ru（HL）（Hdcbpy）（NCS）2-·N（C4H9）4＋ （where HL= 2-（9-ethyl-9H-carbazol-3-yl）-1H-imidazo4,5-f1,10phenanthroline and H2dcbpy = 4,4＇-dicarboxy-2,2＇-bipyridyl） has been synthesized and characterized by elemental analysis, 1H NMR, IR and UV-vis absorption spectroscopies, and MALDI-TOF mass spectrometry. The ground-and excited-state acid-base properties of the complex have been studied by means of UV-visible absorption and emission spectrophotometric titrations. The complex was shown to act as pH-induced molecular switches based on the changes in emission intensities and excited state energy-transfer routes.
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