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铼联吡啶系列光敏染料的研究

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Indexed by:期刊论文

Date of Publication:2004-08-01

Journal:有机化学

Included Journals:Scopus、SCIE、PKU、ISTIC、CSCD

Volume:24

Issue:8

Page Number:953-956

ISSN No.:0253-2786

Key Words:铼联吡啶络合物;光敏染料;纳米晶体光电池

Abstract:设计合成了2,2′-联吡啶-4,4′-二羧酸乙酯与过渡金属铼的系列络合物[fac-Re(4,4′-di-COOEt-bpy)(CO)3(Xpy)PF6](其中bpy=2,2′-联吡啶;py=吡啶;X=3-CH3,3-OH,3-NH2和H),对它们的电化学性能、紫外可见吸收、荧光激发和发射光谱进行了研究.结果表明,随着吡啶环上取代基供电子能力的增强,H《CH3《OH《NH2,Re(Ⅱ/Ⅰ)的氧化电位降低,减小了电子回传的驱动力;MLCT最大吸收波长变化不大,最大发射波长略有蓝移,荧光强度减弱,荧光寿命缩短.

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