Abstract

Amphiphilic Ru(bpy)₃²⁺ complex (DC₁₇Ru)—citratoperoxotitanate (CPT) —ditetradecylviologen (DC₁₄V) triad nano-film was fabricated on quartz slab optical waveguide by organic-inorganic hybrid Langmuir-Blodgett method. Transient phosphorescence of the DC₁₇Ru monolayer at 610 nm excited by 532 nm pulsed laser was observed by SOWG spectroscopy. The phosphorescence was partly quenched by the CPT layer and the quenching was enhanced by the DC₁₄V monolayer underneath the CPT layer in the DC₁₇Ru-CPT nano-film. Energy levels of the components, DC₁₇Ru, CPT and DC₁₄V suggests an exergonic cascade electron transfer mechanism from the excited state of DC₁₇Ru to DC₁₄V via the CPT.

摘要

采用有机-无机混合Langmuir-Blodgett方法在石英平板光波导上制备两亲Ru(bpy) ₃ ²⁺配合物(DC ₁₇ Ru)-柠檬酸过氧钛酸盐(CPT)-二十四烷基紫精(DC _{14 V)三元纳米薄膜。}通过 SOWG 光谱观察到由 532 nm 脉冲激光激发的 DC _{17 Ru 单层在 610 nm 处的瞬态磷光。}磷光被 CPT 层部分猝灭，而DC ₁₇ Ru-CPT 纳米薄膜中 CPT 层下方的DC _{14 V 单层增强了猝灭。}组件的能级，DC ₁₇ Ru、CPT 和 DC _{14V 表明通过 CPT 从 DC 17} Ru 的激发态到 DC ₁₄ V的能量级联电子转移机制。