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Updated: Jan 20, 2026

Triplet Fusion Upconversion Nanocapsule Synthesis

Triplet Fusion Upconversion Nanocapsule Synthesis

Published on: September 7, 2022

通过化学调节传感器实现1.08eV的反斯托克斯转换

Chunying Fan¹, Lingling Wei¹, Tong Niu¹

¹Key Laboratory of Green Chemistry & Technology, College of Chemistry, State Key Laboratory of Biotherapy, West China Medical Center, and Healthy Food Evaluation Research Center , Sichuan University , 29 Wangjiang Road , Chengdu 610064 , China.

Journal of the American Chemical Society

|August 31, 2019

概括

新的复合物可以在深红色到蓝色的光谱中实现高效的三倍-三倍灭绝上转换 (TTA-UC). 这种突破可以最大限度地减少能源损失,

科学领域:

材料科学
摄影化学
无机化学

背景情况:

三倍-三倍灭绝上转换 (TTA-UC) 是一个有前途的光物理过程.
在TTA-UC过程中最大限度地减少能量损失对于高效的能量转换至关重要.
(II) 复合物以其光物理特性而闻名.

研究的目的:

合成新型Pt(II) -Schiff基复合物作为三重敏感剂.
调整能量水平以尽量减少TTA-UC中的能量损失.
通过大反斯托克斯转移,在广泛的光谱范围内实现高效的TTA-UC.

主要方法:

一系列Pt(II) -Schiff基复合物的合成.
光物理性质的表征,包括单元和三元能量水平.
在溶液和水凝矩阵中评估TTA-UC效率.

主要成果:

通过大反斯托克斯转移 (1.08 eV) 实现深红至蓝色的TTA-UC.
在溶液中观察到高达21%的UC量子产量.
在空气和水凝中证明有效的UC排放 (高达14.8%的UC量子产量).

结论:

合成的Pt(II) -Schiff基复合物是TTA-UC的有效三重敏感剂.
该系统表现出高的UC效率和大反斯托克斯转移,超过了以前的报道.
低值激发强度表明太阳能转换应用的潜力.

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