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研究了铂络合物PtL1 L2 2 +(L1 =4 甲氧基苯基 6 苯基 2 ,2’ 联吡啶 ,L2 =吡啶 )和磺酸丙基紫精 (PVS0 )在Nafion膜中进行的光致电子转移和电荷分离 .Nafion膜被水溶胀后形成类似反胶束的结构 ,其空腔表面带有负电荷 .将带有正电荷的电子给体PtL1 L2 2 +吸附到膜中 ,电中性的受体PVS0 溶于水中 ,采用带有正电荷的N ,N’ 四亚甲基 2 ,2’ 联吡啶 (DQ2 +)作为电荷载体 ,并且也被吸附到膜内 .激发PtL1 L2 2 +导致与DQ2 +发生电子转移 ,生成的DQ+· 迁移到Nafion膜 水溶液界面并将电子传给受体PVS0 ,生成的PVS+·被Nafion膜表面负电荷排斥从而阻止电荷回传 .电子转移产物PtL1 L2 3 +位于膜中 ,PVS+·位于溶液中 ,两者隔离 ,电荷分离状态的寿命可长达几天 .
The effects of platinum complexes PtL1 L2 2 + (L1 = 4 methoxyphenyl 6 phenyl 2, 2 ’bipyridines, L2 = pyridine) and sulfopropyl propyl viologen (PVS0) on Nafion membranes were studied Induced electron transfer and charge separation.Nafion membrane is swollen with water to form a reverse micellar structure with a negative charge on the surface of the cavity.The positively charged electron donor PtL1 L2 2 + is adsorbed to the membrane, The PVR receptor, PVS0, was dissolved in water and charged with N, N’-tetramethylene 2,2’-bipyridyl (DQ2 +) as a charge carrier and also adsorbed into the membrane. Resulting in an electron transfer with DQ2 +, the resulting DQ + · migrates to the Nafion membrane aqueous solution interface and transfers the electron to the acceptor PVS0, the resulting PVS + · is repelled by the negative charge on the Nafion membrane surface to prevent the charge back.Electron transfer products PtL1 L2 3 + Located in the membrane, PVS + · is in solution, the two are isolated, and the life of the charge-separated state can last up to several days.